b2KIT

Security & Privacy

Password generators, encryption tools, QR codes, and privacy utilities.

Password Generator

Generate strong, random passwords with customizable length, character sets, and complexity requirements.

Password Strength Checker

Analyze password strength with entropy scoring, crack-time estimates, and improvement suggestions.

Random String Generator

Create cryptographically random strings for API keys, tokens, salts, and unique identifiers.

QR Code Generator

Create QR codes for URLs, text, Wi-Fi credentials, vCards, and more with customizable size and colors.

QR Code Reader

Scan and decode QR codes from uploaded images or your device camera to extract embedded data.

File Checksum Calculator

Compute MD5, SHA-1, SHA-256, and SHA-512 checksums to verify file integrity and detect tampering.

Text Encryption / Decryption

Encrypt and decrypt text using AES-256, RSA, or other ciphers with password-based key derivation.

Secure Note / Self-Destructing Message Creator

Create encrypted, self-destructing messages with expiration timers and single-view access links.

Privacy Policy Generator

Generate a customizable privacy policy for your website or app covering GDPR, CCPA, and cookie disclosures.

Cookie Policy Generator

Build a compliant cookie policy detailing cookie types, purposes, and user consent options.

Content Security Policy Header Generator

Build and validate Content-Security-Policy headers with directive helpers and inline hash generation.

Security Headers Analyzer

Scan any URL and grade its HTTP security headers including HSTS, CSP, X-Frame-Options, and more.

SSL Certificate Expiry Checker

Check SSL/TLS certificate validity, expiration date, issuer chain, and protocol support for any domain.

Password Vault (Local)

Encrypted password storage using AES-256 with a master password. All data in localStorage - zero-knowledge, no server.

Steganography Tool

CS

Hide secret text messages inside images using LSB encoding. Upload an image to encode or decode hidden text.

Two-Factor Auth Tester

Generate TOTP codes from a secret key (RFC 6238). Verify codes and test your 2FA setup in real time.

Image EXIF / Metadata Stripper

CS

Remove EXIF data, GPS coordinates, camera info, and other metadata from images to protect privacy.

Screenshot Redaction Tool

CS

Redact sensitive information from screenshots with blur, pixelate, and black-box tools.

Image Face Blur Tool

CS

Automatically detect and blur faces in photos to anonymize individuals and protect identities.