RSA Encryption Tool

Generate RSA key pairs and encrypt/decrypt messages using RSA-OAEP with the WebCrypto API.

Security & Privacy

This tool is being rebuilt

The earlier version did not work as described, so it is switched off until a tested version replaces it at this same address.

Tell us what you need it for

Tools that work today

RSA Key Pair Generator Generate RSA public/private key pairs using the Web Crypto API with configurable key sizes.
Text Encryption / Decryption Encrypt and decrypt text using AES-256, RSA, or other ciphers with password-based key derivation.
Encryption Benchmark Benchmark WebCrypto API encryption and hashing performance in your browser across different algorithms and key sizes.
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.
AES Encryption Tool Encrypt and decrypt text using AES-256-GCM with password-derived keys via PBKDF2, entirely in the browser.
age File Encryption Tool Encrypt and decrypt files using the age encryption format. Support for passphrase and X25519 recipient keys.

Web app by bee2.io

COMBb2

Private image tools

Sixteen image tools that enlarge, repair, and convert photographs using models that run locally in the browser, so images are never uploaded.

Open COMBb2

Mac app by bee2.io

HearthKeeper

Private home inventory

Catalogs a whole home room by room with photos, receipt scanning, and barcodes, then exports the record locally.

More Security & Privacy tools

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.

What is it about?

What's missing Something isn't working Could be better Another tool I need Other

Your message (required)

0 / 2000 characters, at least 10

Name (optional)

Email (optional, for a reply)

Leave this field empty

Sent with your message: the address of this page, b2kit.com/tools/rsa-encryption-tool/

Pressing Send gives your message and this page's address to bee2.io, the team behind b2KIT. Your name and email go along only if you enter them, and any reply goes to that email. How we handle feedback

Sent. Thank you.

This tool is being rebuilt

Help improve this tool Tell us what is missing, broken or worth adding. One minute.