Security & Privacy

CVSS Score Calculator Vector strings scored exactly by the spec. OpenPGP Key Lookup Every field read from the key itself. CVE Lookup One CVE, every field explained. Breached Password Check Only five characters of a hash ever leave. VPN Leak Check What a website really sees behind your VPN. Password Generator Random done right, with the maths shown. IP ACL Builder Who gets in, by address, with no surprises. Firewall Rule Generator Say it once, get it in four firewall dialects. Encrypted QR Code Generator A QR code that keeps its mouth shut. Referrer Policy Generator Decide how much of your address the next site sees. Permissions Policy Generator Switch off what your pages never use. BIMI Record Generator Your logo beside your mail, once the homework is done. MTA-STS Policy Generator Tell the world your mail only travels sealed. CAA Record Generator A guest list for who may issue your certificates. security.txt Generator One small file that tells finders where to knock. TOTP QR Code Generator Thirty seconds, six digits, one shared secret. 2FA Backup Code Generator Spare keys for the day your phone is gone. JWT RS256 Key Generator A signing key pair, and proof that it works. CSR Generator The request a CA signs, made where the key stays. X.509 Certificate Builder A certificate you can read byte by byte. RIPEMD-160 Hash Generator Two lines of rounds, one 160-bit answer. BLAKE2 Hash Generator A fast hash with a key slot built in. SHA-3 Hash Generator The sponge that soaks up data and wrings out a digest. Photo Metadata Remover The picture stays; where and when you took it goes. ASN.1 and Certificate Decoder Every byte of a certificate, named and explained. Image Steganography Tool Hidden in plain sight, and how well it really hides. Visual Secret Sharing Two sheets of noise that add up to a secret. Image Hash Calculator Same file, same picture, or just similar: three answers. ECDSA Signature Tool Sign, verify, and fix the one format mismatch everyone hits. IDN Homograph Attack Detector Catch the letter that only looks right. Third-Party Cookie Tester A real cross-site test, not a guess from settings. RSA-PSS Signature Tool Sign a file, verify a file, and take the keys with you. PIN Code Generator Random PINs, and the exact odds of guessing one. OpenVPN Config Generator A real .ovpn file, directive by directive. Enigma Machine Simulator Type a letter. Watch the rotors decide. PS Password Strength Checker Analyze password strength with entropy scoring, crack-time estimates, and improvement suggestions. RS Random String Generator Create cryptographically random strings for API keys, tokens, salts, and unique identifiers. QC QR Code Generator Create QR codes for URLs, text, Wi-Fi credentials, vCards, and more with customizable size and colors. QC QR Code Reader Scan and decode QR codes from uploaded images or your device camera to extract embedded data. FC File Checksum Calculator Compute MD5, SHA-1, SHA-256, and SHA-512 checksums to verify file integrity and detect tampering. TE Text Encryption / Decryption Encrypt and decrypt text using AES-256, RSA, or other ciphers with password-based key derivation. SN Secure Note / Self-Destructing Message Creator Create encrypted, self-destructing messages with expiration timers and single-view access links. PP Privacy Policy Generator Generate a customizable privacy policy for your website or app covering GDPR, CCPA, and cookie disclosures. CP Cookie Policy Generator Build a compliant cookie policy detailing cookie types, purposes, and user consent options. PV Password Vault (Local) Encrypted password storage using AES-256 with a master password. All data in localStorage - zero-knowledge, no server. ST Steganography Tool Hide secret text messages inside images using LSB encoding. Upload an image to encode or decode hidden text. TF Two-Factor Auth Tester Generate TOTP codes from a secret key (RFC 6238). Verify codes and test your 2FA setup in real time. GL GPS Location Remover Strip GPS coordinates and location data from photos for privacy protection. PG Passphrase Generator Generate memorable passphrases from random words with customizable word count, separators, and capitalization. DB Data Breach Password Checker Check if a password has appeared in known data breaches using k-anonymity with the HIBP API hash prefix. EK Encryption Key Generator Generate random AES-128, AES-256, and RSA key pairs using the Web Crypto API for development and testing. MH MD5 Hash Generator Generate MD5 hash digests from text or file input using client-side cryptographic operations. S1 SHA-1 Hash Generator Compute SHA-1 hash values from text or files entirely in the browser using the WebCrypto API. S2 SHA-256 Hash Generator Generate SHA-256 cryptographic hash digests from text or file input using the WebCrypto API. S5 SHA-512 Hash Generator Compute SHA-512 hash values from text or files with hex, base64, and binary output formats. S3 SHA-384 Hash Generator Generate SHA-384 cryptographic hashes from text or file input using the WebCrypto API. BH Bcrypt Hash Generator Generate bcrypt password hashes with configurable cost factor and verify passwords against existing hashes. HI Hash Identifier Automatically detect and identify the type of a hash string (MD5, SHA-1, SHA-256, bcrypt, etc.) by analyzing its format. HV Hash Verifier Verify file or text integrity by comparing computed hash values against expected hash digests. HG HMAC Generator Generate HMAC (Hash-based Message Authentication Code) signatures using SHA-256, SHA-512, or SHA-1 with a secret key. CC Checksum Calculator Calculate MD5, SHA-1, SHA-256, and CRC32 checksums for files to verify download integrity. FH File Hash Calculator Compute cryptographic hash digests for files of any size using streaming WebCrypto operations with progress tracking. AE AES Encryption Tool Encrypt and decrypt text using AES-256-GCM with password-derived keys via PBKDF2, entirely in the browser. RE RSA Encryption Tool Generate RSA key pairs and encrypt/decrypt messages using RSA-OAEP with the WebCrypto API. FE File Encryption Tool Encrypt and decrypt files of any type using AES-256-GCM with password-based key derivation, processed entirely client-side. TE Text Encryption & Decryption Encrypt and decrypt text messages using multiple cipher algorithms including AES, ChaCha20, and Triple DES. PK PGP Key Generator Generate PGP/GPG public and private key pairs with configurable key size and algorithm using OpenPGP.js. PE PGP Encryption Tool Encrypt and decrypt messages using PGP public/private keys with OpenPGP.js, fully client-side. PS PGP Signature Verifier Verify PGP/GPG digital signatures against public keys and sign messages with private keys. CG CSR Generator Generate Certificate Signing Requests (CSR) with custom subject fields and RSA/EC key pairs in the browser. CD CSR Decoder Decode and inspect Certificate Signing Request (CSR) files to view subject, key details, and extensions. PD PEM to DER Converter Convert certificates and keys between PEM (Base64 text) and DER (binary) encoding formats. SS Self-Signed Certificate Generator Generate self-signed X.509 certificates with custom subject, validity period, and key algorithm for development use. JG JWT Generator Create and sign JSON Web Tokens with custom claims, expiration, and HMAC or RSA signing algorithms. JV JWT Validator Validate JWT signatures using HMAC secrets or RSA/EC public keys and check claim expiration and audience. TC TOTP Code Generator Generate Time-based One-Time Password codes from a secret key, compatible with Google Authenticator and Authy. HC HOTP Code Generator Generate HMAC-based One-Time Password codes from a secret key and counter value for two-factor authentication. AK API Key Generator Generate secure API keys and access tokens with configurable formats, prefixes, and cryptographic randomness. SK Secret Key Generator Generate cryptographically secure secret keys for JWT signing, HMAC, AES encryption, and other applications. RK RSA Key Pair Generator Generate RSA public/private key pairs with configurable key sizes (2048, 3072, 4096-bit) in PEM format. EK ECDSA Key Pair Generator Generate Elliptic Curve key pairs (P-256, P-384, P-521) for digital signatures and key exchange. EK Ed25519 Key Generator Generate Ed25519 key pairs for high-performance digital signatures and SSH authentication. SK SSH Key Generator Generate SSH key pairs (RSA, ECDSA, Ed25519) in OpenSSH format with optional passphrase protection. SK SSH Key Fingerprint Calculator Calculate the fingerprint of an SSH public key in MD5 and SHA-256 formats for verification. HH HSTS Header Builder Configure HTTP Strict Transport Security headers with preload eligibility checking and max-age recommendations. PP Permissions Policy Builder Build Permissions-Policy (formerly Feature-Policy) headers to control browser feature access for your site. SH SRI Hash Generator Generate Subresource Integrity hashes for script and link tags to prevent CDN tampering attacks. SR Security Regex Pattern Library Browse and test common security-focused regex patterns for input validation, XSS prevention, and SQL injection detection. SI SQL Injection Tester Test SQL injection patterns against simulated query builders to learn about SQL injection prevention techniques. HS HTML Sanitizer Tester Test HTML sanitization by comparing raw input against DOMPurify and browser-native sanitization output. EC Encrypted Clipboard Temporarily store encrypted text snippets in browser memory with auto-expiry and one-click secure copy. TS Terms of Service Generator Generate terms of service agreements customized to your business type, service model, and legal requirements. CC Cookie Consent Generator Generate a GDPR/CCPA-compliant cookie consent banner with customizable categories, styling, and JavaScript code. DP Data Processing Agreement Generator Generate a GDPR-compliant Data Processing Agreement (DPA) for data processor relationships. CC CCPA Compliance Checker Assess CCPA (California Consumer Privacy Act) compliance with an interactive questionnaire and action plan. JG JWK Generator Generate JSON Web Keys (JWK) and JWK Sets for RSA, EC, and symmetric key types used in JOSE/JWT. JP JWK to PEM Converter Convert between JSON Web Key (JWK) format and PEM-encoded public/private keys. OT OAuth Token Inspector Decode and inspect OAuth 2.0 access tokens, refresh tokens, and ID tokens to view claims and metadata. SD SAML Decoder Decode and inspect SAML assertions, requests, and responses with XML formatting and attribute extraction. SV SAML Validator Validate SAML XML documents against SAML 2.0 schema and check for common configuration errors. PG Passphrase Generator Generate memorable but secure passphrases using the Diceware method with customizable word count and separators. PH Password Hash Checker Verify passwords against bcrypt, scrypt, Argon2, and PBKDF2 hash strings to confirm they match. JC JWT Claims Inspector Extract and display JWT claims as formatted JSON with registered claim explanations and timestamp conversion. HG htpasswd Generator Generate Apache htpasswd entries with bcrypt, MD5, or SHA-1 password hashing for HTTP basic auth. BF Browser Fingerprint Tester Analyze your browser fingerprint uniqueness by testing canvas, WebGL, audio, font, and API-based fingerprinting vectors. WL WebRTC Leak Tester Test if your browser leaks your real IP address through WebRTC APIs even when using a VPN. DL DNS Leak Tester Test for DNS leaks that could expose your browsing activity when using a VPN or proxy service. BP Browser Privacy Tester Comprehensive privacy audit testing tracking protection, cookie handling, fingerprinting resistance, and API exposure. DN Do Not Track Tester Check if your browser sends Do Not Track (DNT) and Global Privacy Control (GPC) signals correctly. EH Email Header Analyzer Parse and analyze email headers to trace delivery path, check SPF/DKIM/DMARC, and detect spoofing indicators. SR SPF Record Generator Build SPF DNS records with an interactive tool to authorize email senders and prevent spoofing. DR DKIM Record Generator Generate DKIM key pairs and DNS TXT records for email authentication and anti-spoofing protection. DR DMARC Record Generator Build DMARC DNS records with policy configuration, reporting settings, and alignment mode selection. UE URL Expander Expand shortened URLs to reveal their final destination before clicking, with redirect chain display. SH String Hash Generator Generate multiple hash types (MD5, SHA-1, SHA-256, SHA-512) from a single text input for easy comparison. PK PBKDF2 Key Derivation Derive cryptographic keys from passwords using PBKDF2 with configurable iterations, salt, and hash algorithm. AH Argon2 Hash Generator Generate Argon2id password hashes with configurable memory, iterations, and parallelism parameters. SH Scrypt Hash Generator Generate scrypt password hashes with configurable CPU/memory cost parameters and salt generation. DS Digital Signature Tool Create and verify digital signatures using RSA-PSS or ECDSA with the WebCrypto API. EC Entropy Calculator Calculate Shannon entropy of text or data to measure randomness and information content in bits. SR Secure Random Number Generator Generate cryptographically secure random numbers within custom ranges using the Web Crypto API. SF Secure File Shredder Overwrite file contents with random data before deletion to prevent recovery, using client-side processing. P1 PKCS#12 / PFX Converter Convert between PKCS#12 (.pfx/.p12) and PEM format certificates and private keys. OC OpenSSL Command Generator Generate OpenSSL commands for common operations like CSR creation, certificate conversion, and key generation. ST SSL/TLS Config Generator Generate secure SSL/TLS configuration for Apache, Nginx, and HAProxy with modern cipher suite recommendations. CS Cipher Suite Reference Browse and search TLS cipher suites with security ratings, protocol compatibility, and recommendation status. SC Security Checklist Generator Generate customized web application security checklists based on your tech stack, deployment, and compliance needs. OT OWASP Top 10 Reference Interactive reference for OWASP Top 10 vulnerabilities with examples, mitigations, and code snippets. CL CVE Lookup Tool Search and browse Common Vulnerabilities and Exposures entries with severity scores and affected products. ES Encryption Strength Calculator Calculate the brute-force resistance of encryption keys by key length, algorithm, and estimated attacker capability. SP Secure Password Sharing Generate encrypted one-time links for sharing passwords securely with AES-256-GCM encryption in URL fragments. SM Secret Message Encoder Encode messages using various methods including zero-width characters, invisible ink Unicode, and whitespace encoding. WC WireGuard Config Generator Generate WireGuard VPN configuration files with key pair generation and peer configuration. HC Hash Comparison Tool Compare two hash values side-by-side with visual highlighting of matching and differing characters. OU OTP URI Parser Parse and validate otpauth:// URIs used by authenticator apps to extract TOTP/HOTP configuration parameters. GK GPG Key Analyzer Parse and analyze GPG/PGP public keys to display key ID, fingerprint, user IDs, subkeys, and expiration. CK Certificate Key Matcher Verify that a certificate and private key match by comparing their public key modulus fingerprints. XC XOR Cipher Tool Apply XOR cipher operations with single-byte and multi-byte keys with hex input/output and key analysis. HR Hash Rate Calculator Calculate brute-force attack times based on hash rate, password complexity, and character set size. SH Secure Headers Scanner Scan a website's HTTP response headers and grade its security posture with actionable improvement suggestions. DM Data Masking Tool Mask sensitive data (emails, phone numbers, credit cards, SSNs) in text with configurable masking patterns. PD PII Detector Detect personally identifiable information (emails, phones, SSNs, addresses) in text using pattern matching. CC Credit Card Validator Validate credit card numbers using the Luhn algorithm with card network detection and BIN lookup. CK Cryptographic Key Inspector Paste any cryptographic key (RSA, EC, Ed25519) to inspect key type, size, curve, and public key components. SS Secret Scanner Scan text or code for accidentally exposed secrets like API keys, tokens, passwords, and private keys using pattern matching. CO Code Obfuscator Obfuscate JavaScript code to make it harder to reverse-engineer with variable renaming and control flow transformations. KD Key Derivation Calculator Derive cryptographic keys from passwords using PBKDF2, HKDF, and scrypt with configurable parameters. PR Privacy Risk Assessor Evaluate the privacy risk of your website or app by answering questions about data collection and processing practices. DT DPIA Template Generator Generate Data Protection Impact Assessment templates with risk matrices and mitigation planning sections. IR Incident Response Template Generator Generate security incident response plan templates customized to your organization type and compliance requirements. ES Email Security Checker Check a domain's email security setup by looking up SPF, DKIM, DMARC, and MTA-STS DNS records. EB Encryption Benchmark Benchmark WebCrypto API encryption and hashing performance in your browser across different algorithms and key sizes. TE Text Encryption / Decryption Encrypt and decrypt text using AES, DES, and other algorithms with key and IV configuration options. RK RSA Key Pair Generator Generate RSA public/private key pairs using the Web Crypto API with configurable key sizes. AE AES Encryption / Decryption Encrypt and decrypt files or text with AES-128, AES-192, or AES-256 in CBC, CTR, or GCM mode using Web Crypto API. RK RSA Key Pair Generator Generate RSA-2048, RSA-3072, or RSA-4096 key pairs in PEM format for signing and encryption, entirely in-browser. CP ChaCha20-Poly1305 Encryption Encrypt and decrypt data using ChaCha20-Poly1305 AEAD cipher with authenticated encryption and nonce management. FE File Encryption / Decryption Encrypt any file with AES-256-GCM and a password-derived key. Download the encrypted blob or decrypt it back. RE RSA Encrypt / Decrypt Tool Encrypt short messages with an RSA public key and decrypt with the private key using OAEP padding. XC XOR Cipher Tool Apply XOR cipher to text or binary data with a repeating key. Visualize bitwise operations step by step. VC Vigenere Cipher Encoder / Decoder Encode and decode messages using the Vigenere polyalphabetic cipher with frequency analysis and key-length detection. CC Caesar Cipher with Brute-Force Encrypt and decrypt with Caesar shift cipher. Includes brute-force attack showing all 26 rotations simultaneously. OT One-Time Pad Generator Generate cryptographically random one-time pads and encrypt messages with provably unbreakable XOR encryption. S3 SHA-3 / Keccak Hash Generator Compute SHA3-224, SHA3-256, SHA3-384, SHA3-512, and SHAKE hashes for text or files using the Keccak sponge construction. BB BLAKE2 / BLAKE3 Hash Generator Generate BLAKE2b, BLAKE2s, and BLAKE3 hashes for text or files. Compare speeds against SHA-256 in real time. AK Argon2 Key Derivation Tool Derive keys from passwords using Argon2id with configurable memory cost, time cost, and parallelism parameters. PK PBKDF2 Key Derivation Tool Derive cryptographic keys from passwords using PBKDF2 with SHA-256 or SHA-512 and configurable iteration counts. SK scrypt Key Derivation Tool Derive keys using scrypt with configurable N, r, p parameters. Visualize memory-hardness and compare with PBKDF2. BH bcrypt Hash Generator & Verifier Generate bcrypt password hashes with configurable cost factor and verify passwords against existing hashes. HG HMAC Generator & Verifier Compute HMAC-SHA256, HMAC-SHA384, HMAC-SHA512 message authentication codes for text or files and verify signatures. HT Hash Type Identifier Paste any hash and automatically identify its type (MD5, SHA-1, SHA-256, bcrypt, Argon2, etc.) by format and length. C3 CRC-32 Checksum Calculator Compute CRC-32, CRC-16, and Adler-32 checksums for text or file data with polynomial configuration options. HS Hash Speed Comparison Benchmark Benchmark hash functions (MD5, SHA-1, SHA-256, SHA-3, BLAKE3) in your browser and compare throughput in real time. ES Ed25519 Signature Tool Generate Ed25519 key pairs, sign messages, and verify signatures using the EdDSA algorithm with Curve25519. PG PGP / GPG Key Pair Generator Generate OpenPGP key pairs (RSA or ECC) with user ID, expiration, and passphrase protection. Export as ASCII-armored text. PE PGP Encrypt / Decrypt Messages Encrypt messages with a PGP public key and decrypt with the private key. Supports ASCII-armored input and output. PS PGP Sign & Verify Messages Create PGP cleartext signatures and verify signed messages against a public key. Detached signature support included. CS Code Signing Verifier Verify code signatures and integrity hashes for downloaded files. Compare expected vs. computed SHA-256 digests. SK SSH Key Pair Generator Generate SSH key pairs (RSA, Ed25519, ECDSA) with configurable bit length. Download public and private keys. SK SSH Key Fingerprint Calculator Compute MD5 and SHA-256 fingerprints for SSH public keys. Verify server key authenticity visually. EK ECDH Key Exchange Simulator Simulate Elliptic Curve Diffie-Hellman key exchange between two parties. Visualize the shared secret derivation process. DH Diffie-Hellman Key Exchange Visualizer Interactive visualization of classical Diffie-Hellman key exchange with color-mixing analogy and modular arithmetic steps. AK API Key Generator Generate cryptographically secure API keys with configurable prefixes, lengths, and character sets. Copy-ready output. EK Encryption Key Manager (Local) Store and organize encryption keys locally with labels, expiry dates, and key type metadata. All data in IndexedDB. PF PEM File Parser & Inspector Parse PEM-encoded certificates, keys, and CSRs. Display algorithm, key size, subject, issuer, and validity details. JP JWK / PEM Key Converter Convert between JWK (JSON Web Key) and PEM formats for RSA and EC keys. Supports PKCS#8 and SPKI formats. JS JWT Signature Verifier Verify JWT signatures with HMAC, RSA, or ECDSA keys. Check expiration, issuer, audience, and custom claim validation. JD JWT Debugger & Inspector Decode and inspect JWT headers, payloads, and signatures with syntax highlighting and human-readable timestamps. O2 OAuth 2.0 Flow Debugger Debug OAuth 2.0 authorization code, implicit, and PKCE flows. Inspect tokens, scopes, and redirect parameters. SA SAML Assertion Decoder Decode and inspect SAML assertions and responses. View XML attributes, conditions, and signature details. CT CSRF Token Generator Generate cryptographically secure CSRF tokens with configurable entropy. Includes HTML form snippet and cookie-based patterns. OT Opaque Token Generator Generate URL-safe, Base64, or hex-encoded opaque bearer tokens with selectable entropy (128-512 bits). SS Shamir Secret Sharing Tool Split a secret into N shares where any K shares can reconstruct it. Uses polynomial interpolation over a finite field. ZK Zero-Knowledge Proof Demo Interactive demonstration of zero-knowledge proofs. Prove you know a secret without revealing it using graph coloring and cave analogy. CC Cryptographic Commitment Scheme Create binding commitments to values using hash-based commitment schemes. Reveal and verify later without trust. SK Secret Key Escrow Manager Split master keys into escrow shares for disaster recovery. Assign custodians and track share distribution. BF Browser Fingerprint Tester Analyze your browser fingerprint including canvas, WebGL, audio context, fonts, and navigator properties. See how unique you are. WT Website Tracker Detector Scan page source for known tracking pixels, analytics scripts, and third-party beacons. Identify all trackers on a page. CF Canvas Fingerprint Defender Test and demonstrate canvas fingerprinting techniques. Generate noise-injected canvas to show how defenders work. WL WebRTC Leak Tester Detect WebRTC IP leaks that can expose your real IP address even behind a VPN. Shows local, public, and ICE candidates. PS Privacy Score Checker Get an overall privacy score for your browser setup based on fingerprint uniqueness, leak tests, and security headers. DN Do Not Track / GPC Signal Tester Check if your browser sends Do Not Track (DNT) and Global Privacy Control (GPC) signals and whether sites respect them. DM Document Metadata Privacy Scanner Scan PDFs, images, and Office files for hidden metadata including author, GPS, edit history, and embedded comments. AI Anonymous Identity Generator Generate realistic but fake identities for testing forms and signups. Names, addresses, emails - all synthetic data. IA IP Address Lookup & Geolocation Look up your current IP address with geolocation, ASN, ISP, and reverse DNS information displayed on a map. SC Subnet Calculator Calculate subnet masks, network addresses, broadcast addresses, and host ranges for IPv4 and IPv6 CIDR blocks. CR CIDR Range Calculator & Visualizer Visualize CIDR blocks, calculate IP ranges, and check if addresses fall within subnets. Supports IPv4 and IPv6. IA IPv6 Address Expander / Compressor Expand shortened IPv6 addresses to full form and compress verbose addresses. Validate and analyze IPv6 notation. IR IP Range Merger & Optimizer Merge overlapping IP ranges, aggregate CIDR blocks, and minimize firewall rules. Supports allow/deny list optimization. DR DNS Record Lookup Query A, AAAA, MX, TXT, CNAME, NS, SOA, and SRV records for any domain using DNS over HTTPS. DP DNS Propagation Checker Check DNS propagation across global resolvers. See if your DNS changes have propagated to servers worldwide. SR SPF Record Checker & Builder Validate SPF records for email authentication. Build new records with include, ip4, ip6, and redirect mechanisms. DR DKIM Record Checker Look up and validate DKIM DNS records for email domain authentication. Verify selector, key type, and key data. DR DMARC Record Checker & Builder Check DMARC records for email security. Build policies with reject/quarantine/none, reporting URIs, and alignment modes. MR MX Record Checker & Priority Viewer Look up MX records for any domain to see mail server priorities, verify mail routing, and detect misconfigurations. NP Network Port Reference & Scanner Reference database of common TCP/UDP ports with service names. Test port connectivity to your own servers. PP Permissions Policy Generator Build Permissions-Policy headers to control browser features like camera, microphone, geolocation, and payment APIs. RP Referrer Policy Tester Test and configure Referrer-Policy headers. Visualize which referrer information is sent for different policy values. XF X-Frame-Options & Clickjacking Tester Test X-Frame-Options and CSP frame-ancestors directives. Demonstrate clickjacking attacks and defenses. CC Cookie Consent Compliance Scanner Scan a site for cookie consent compliance. Check if cookies are set before consent and categorize by purpose. ST Session Token Entropy Analyzer Analyze session token randomness and entropy. Detect patterns, weak PRNGs, and predictable session identifiers. SC SSL Certificate Chain Viewer Visualize the complete SSL certificate chain from leaf to root CA. Check chain completeness and intermediate certificates. CC CSR (Certificate Signing Request) Generator Generate Certificate Signing Requests with subject fields, key type selection, and SAN (Subject Alternative Names). SS Self-Signed Certificate Generator Generate self-signed X.509 certificates for development and testing. Configure validity period, key usage, and SANs. SI SQL Injection Pattern Tester Test SQL injection patterns in a local sandbox. Practice detection and learn about parameterized queries. SS SRI (Subresource Integrity) Hash Generator Generate Subresource Integrity hashes for script and link tags. Paste a CDN URL or file to compute sha256/sha384/sha512. WT Website Technology Detector Detect technologies used by a website: frameworks, CMS, analytics, CDN, hosting, and server software from client-side signals. US URL Safety Scanner Analyze URLs for phishing indicators: homograph attacks, suspicious TLDs, URL shortener chains, and known malicious patterns. PU Phishing URL Pattern Detector Detect phishing URLs using heuristics: IDN homograph detection, brand impersonation, suspicious subdomains, and path analysis. UU URL Unshortener & Redirect Tracer Expand shortened URLs (bit.ly, t.co, etc.) and trace the full redirect chain to see the final destination safely. EH Email Header Analyzer Parse and analyze email headers to trace message routing, verify SPF/DKIM/DMARC authentication, and detect spoofing. SL Safe Link Preview Generator Generate a safe preview of any URL showing its title, description, and screenshot without visiting it directly. MH Malware Hash Checker Check file hashes (MD5, SHA-1, SHA-256) against known malware databases. Upload a file to compute and verify its hash. YR YARA Rule Builder Build YARA rules visually with string patterns, hex patterns, and conditions. Export rules for malware detection scanning. II IOC (Indicator of Compromise) Extractor Extract IOCs from threat reports: IP addresses, domains, URLs, file hashes, email addresses, and Bitcoin wallets. TI Threat Intelligence Feed Parser Parse STIX/TAXII, CSV, and JSON threat intelligence feeds. Normalize IOCs and export in standard formats. MA MITRE ATT&CK Navigator Interactive MITRE ATT&CK matrix viewer. Map techniques to tactics, highlight coverage, and export layer files. CT Canary Token Generator Generate honeypot tokens (URLs, DNS names, email addresses, files) that alert you when accessed by an attacker. HD Honeypot Detector Analyze network responses and service banners to detect honeypots. Identify telltale signs of deception infrastructure. SL Security Log Analyzer Parse and analyze security logs (Apache, Nginx, auth.log). Detect brute force attempts, anomalies, and suspicious patterns. AN Apache / Nginx Log Parser Parse Apache Combined and Nginx access logs. Visualize top IPs, URIs, status codes, and user agents with charts. JL JSON Log Viewer & Filter View and filter JSON-structured logs with search, time range selection, severity filtering, and field extraction. SM Syslog Message Parser Parse RFC 3164 and RFC 5424 syslog messages. Extract facility, severity, timestamp, hostname, and message fields. UA User Agent String Analyzer Parse and analyze user agent strings to identify browser, OS, device type, and bot/crawler signatures. TF Timestamp Forensics Tool Convert and analyze timestamps from various formats (Unix, Windows FILETIME, NTFS, HFS+) for digital forensics. HD Hex Dump Viewer View files as hex dumps with ASCII representation. Search for patterns, identify file magic bytes, and analyze binary data. BF Base64 File Analyzer Decode Base64 strings to reveal hidden file types. Detect embedded images, scripts, and binary data in encoded strings. IR Incident Response Checklist Generator Generate customizable incident response checklists based on NIST 800-61 phases: preparation, detection, containment, recovery. IT Incident Timeline Builder Build visual timelines for security incidents. Add events with timestamps, categories, and evidence references. DB Data Breach Notification Template Generate GDPR/CCPA-compliant data breach notification letters. Customize affected data types, timeline, and remediation steps. EH Evidence Hash Chain Builder Build a tamper-evident hash chain for digital evidence. Each file gets a timestamped hash linked to the previous entry. RR ReDoS (Regex DoS) Tester Test regular expressions for catastrophic backtracking vulnerabilities. Measure execution time with adversarial inputs. SD Sensitive Data Regex Library Library of regex patterns for detecting SSNs, credit cards, API keys, passwords, and PII in text. Test patterns on sample data. HE Hex Encoder / Decoder Convert text to hexadecimal and back. Supports ASCII, UTF-8, and raw binary hex with delimiter options. PI Punycode / IDN Converter Convert between Unicode domain names and Punycode (xn--) representations. Detect homograph attack attempts. RR ROT13 / ROT47 Encoder Apply ROT13 (letters only) or ROT47 (all printable ASCII) rotation ciphers. Instant encode/decode toggle. HS HTML Sanitizer & XSS Cleaner Sanitize HTML input by removing dangerous tags, attributes, and event handlers. Preview safe output in an isolated iframe. JD JavaScript Deobfuscator Deobfuscate packed and obfuscated JavaScript code. Detect eval-based packers, hex encoding, and string rotation. EA Entropy Analyzer Calculate Shannon entropy of text, files, or byte sequences. Visualize entropy distribution to detect encrypted or compressed data. CR Cryptographic Random Number Generator Generate cryptographically secure random numbers using Web Crypto API. Supports integer ranges, floats, and byte arrays. DP Diceware Passphrase Generator Generate strong passphrases using the Diceware method with EFF word lists. Estimate entropy and crack time. UV UUID v7 Generator & Inspector Generate time-ordered UUID v7 tokens (RFC 9562) and inspect existing UUIDs to extract timestamps and random bits. NG NanoID Generator Generate compact, URL-safe unique IDs with NanoID algorithm. Configure alphabet, length, and collision probability display. TF TCP Flag Calculator Calculate TCP flag values (SYN, ACK, FIN, RST, PSH, URG) from decimal, hex, or binary. Visualize flag combinations. IH IP Header Decoder Decode IPv4 and IPv6 packet headers from hex dumps. Visualize fields: version, TTL, protocol, source/destination. MA MAC Address Lookup & Generator Look up MAC address vendor (OUI) information. Generate random MAC addresses with optional vendor prefix. NB Network Bandwidth Calculator Calculate data transfer times, bandwidth requirements, and throughput. Convert between Mbps, MB/s, and transfer durations. NL Network Latency Tester Measure round-trip latency to endpoints using fetch timing API. Graph latency over time and compute statistics. PS PCAP Summary Viewer Upload PCAP files and view packet summaries: protocol distribution, top talkers, connection pairs, and flow statistics. FR Firewall Rule Builder Build firewall rules visually for iptables, nftables, and cloud security groups. Export as commands or JSON configs. AP ACL / Permission Calculator Calculate Unix file permissions (chmod), AWS IAM policies, and Kubernetes RBAC rules. Visualize access matrices. NS Nginx Security Config Generator Generate secure Nginx server blocks with TLS, HSTS, CSP, rate limiting, and access control configurations. AS Apache Security Config Generator Generate secure Apache .htaccess and httpd.conf snippets for TLS, headers, mod_security, and access control. TA Text Anonymizer Anonymize text by replacing personal names, addresses, phone numbers, and emails with placeholder tokens. SD Synthetic Data Generator Generate realistic synthetic datasets that preserve statistical properties without containing real personal information. CC CCPA / CPRA Compliance Checker Assess CCPA/CPRA compliance for California consumer privacy. Evaluate disclosure, opt-out, and deletion requirements. DT DPIA Template Generator Generate Data Protection Impact Assessment templates with risk matrices, necessity analysis, and mitigation measures. SA Security Asset Inventory Tracker Track IT assets with security metadata: OS versions, patch levels, ownership, and classification. Export inventory reports. EC Encrypted Clipboard Encrypt clipboard text with a passphrase before sharing. Recipient decrypts with the same passphrase. Zero-server design. DD Dead Drop Encrypted Message Create encrypted messages encoded as URL fragments. The secret never touches a server - decryption happens locally. SF Secure File Drop (Encrypted) Encrypt a file with a password and generate a download link containing the encrypted payload as a data URL. SP Signal Protocol Visualizer Interactive visualization of the Signal/Double Ratchet protocol. Step through key exchanges, ratchet advances, and message encryption. AF age File Encryption Tool Encrypt and decrypt files using the age encryption format. Support for passphrase and X25519 recipient keys. EA Ethereum Address Validator Validate Ethereum addresses with EIP-55 checksum verification. Detect invalid addresses and mixed-case checksums. BA Bitcoin Address Validator Validate Bitcoin addresses (P2PKH, P2SH, Bech32, Bech32m). Detect address type and check Base58/Bech32 checksums. B3 BIP-39 Mnemonic Seed Generator Generate BIP-39 mnemonic seed phrases (12/24 words) with entropy validation. Verify existing mnemonics and compute seeds. MT Merkle Tree Visualizer Build and visualize Merkle trees from data blocks. Demonstrate proof verification and tamper detection visually. LB Local Blockchain Simulator Interactive blockchain simulator: mine blocks, add transactions, visualize hashing, and demonstrate proof-of-work concepts. TS TOTP Secret Key Generator Generate TOTP secret keys with QR codes for authenticator apps. Configure period, digits, and algorithm (SHA-1/SHA-256/SHA-512). HC HOTP Counter-Based Code Generator Generate HOTP (HMAC-based One-Time Password) codes with counter-based increments per RFC 4226. WF WebAuthn / FIDO2 Debugger Test WebAuthn registration and authentication flows. Inspect attestation objects, assertions, and credential details. PC Passkey Compatibility Tester Test your browser and device support for passkeys (WebAuthn). Check platform authenticator and cross-platform capabilities. OP OAuth PKCE Code Challenge Generator Generate PKCE code_verifier and code_challenge pairs for OAuth 2.0 authorization code flow with S256 method. BA Basic Auth Header Generator Generate and decode HTTP Basic Authentication headers (Base64 user:password). Includes cURL command output. BT Bearer Token Tester Test API endpoints with bearer tokens. Send authenticated requests and inspect response headers and status codes. EF .env File Validator Validate .env files for syntax errors, missing required variables, duplicate keys, and exposed secrets. SS Secret Scanner for Code Scan code snippets for accidentally committed secrets: API keys, tokens, passwords, and private keys. GD Git Diff Secret Finder Paste git diffs and detect leaked credentials, tokens, and secrets using pattern-matching rules. DS Dockerfile Security Scanner Scan Dockerfiles for security issues: running as root, hardcoded secrets, missing health checks, and insecure base images. KR Kubernetes RBAC Analyzer Analyze Kubernetes RBAC configurations (Roles, ClusterRoles, Bindings) for overly permissive or risky access grants. TS Terraform Security Scanner Scan Terraform HCL files for security misconfigurations: open security groups, public S3 buckets, and missing encryption. GA GitHub Actions Security Checker Analyze GitHub Actions workflows for security risks: script injection, unpinned actions, and secret exposure. TS Terms of Service Generator Generate customizable Terms of Service agreements covering liability, intellectual property, termination, and dispute resolution. DP Data Processing Agreement Generator Generate GDPR-compliant Data Processing Agreements (DPA) with sub-processor lists, security measures, and data transfer terms. CB Cookie Banner Code Generator Generate cookie consent banner HTML/CSS/JS with consent categories, preference storage, and GDPR-compliant flows. BC Block Cipher Mode Visualizer Visualize how ECB, CBC, CTR, GCM, and OFB modes work with animated block diagrams showing IV, chaining, and feedback. EC Elliptic Curve Cryptography Visualizer Interactive visualization of elliptic curves showing point addition, scalar multiplication, and ECDH key exchange. AR AES Round Function Visualizer Step through AES encryption rounds: SubBytes, ShiftRows, MixColumns, and AddRoundKey with state matrix visualization. PK Public Key Cryptography Explainer Interactive explainer of public key cryptography concepts: key generation, encryption, signing, and the math behind RSA. OT OWASP Top 10 Interactive Reference Interactive reference for OWASP Top 10 vulnerabilities with descriptions, examples, mitigations, and code samples. CS Cipher Suite String Explainer Decode TLS cipher suite names (e.g., TLS_AES_128_GCM_SHA256) into human-readable components: key exchange, cipher, and hash. SA Security Acronym Glossary Searchable glossary of 500+ cybersecurity acronyms and terms with definitions, related concepts, and RFC references. A1 ASN.1 / DER Decoder Decode ASN.1 structures in DER or BER encoding. Visualize the TLV (Tag-Length-Value) tree for certificates and keys. BO Bitwise Operation Calculator Perform AND, OR, XOR, NOT, shifts, and rotations on binary, hex, or decimal values. Visualize bit patterns. PN Prime Number Tester & Generator Test primality using Miller-Rabin algorithm. Generate large primes for cryptographic key generation. MA Modular Arithmetic Calculator Perform modular exponentiation, GCD, modular inverse, and Chinese Remainder Theorem calculations for cryptography.