41 best JavaScript Encryption libraries in 2024

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

An open source cybersecurity protocol for syncing decentralized graph data.

A zero-dependency Javascript library to perform OpenSSL RSA Encryption, Decryption, and Key Generation.

JavaScript player library / DASH & HLS client / MSE-EME player

A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps

End-To-End is a crypto library to encrypt, decrypt, digital sign, and verify signed messages (implementing OpenPGP)

:key: Cross-Platform Passwords & Secrets Vault

🔑🔥📈 Next Level PGP

Hide secrets with invisible characters in plain text securely using passwords 🧙🏻‍♂️⭐

A simple blockchain in Javascript. For educational purposes only.

Encrypt and Decrypt files securely in your browser.

Web app and framework offering modular conversion, encoding and encryption

An easy-to-use encryption system utilizing RSA and AES for javascript.

Client side encrypted pastebin

PKI.js is a pure JavaScript library implementing the formats that are used in PKI applications (signing, encryption, certificate requests, OCSP and TSP requests/responses). It is built on WebCrypto (Web Cryptography API) and requires no plug-ins.

A minimalist, opensource online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES.

🛠 Next.js stateless session utility using signed and encrypted cookies to store data

Tanker client-side encryption SDK for JavaScript

Clipperz is an online vault and password manager that knows nothing about you and your data. Everything you submit is locally encrypted by your browser before being uploaded to Clipperz. The encryption key is a passphrase known only to you and Clipperz could never access your data. Clipperz is built upon open proven and trusted encryption algorithms.

The best javascript code protection solution ever.

Cryptographic javascript-functions for ethereum and tutorials to use them with web3js and solidity

Fast and dependency-free cryptographic hashing library for node.js and browsers (supports MD5, SHA1, SHA256, SHA512, RIPEMD, HMAC)

:lock: Secure localStorage data with high level of encryption and data compression

A fully OpenSSL compliant javascript library for AES encryption.

Password-protect URLs using AES in the browser; create hidden bookmarks without a browser extension

encrypt messages based on ssh public keys with easy import from github

JavaScript library to encrypt/decrypt data in JSON Web Encryption (JWE) format and to sign/verify data in JSON Web Signature (JWS) format. Leverages Browser's native WebCrypto API.

INTERLOCK - file encryption and HSM front-end

Elliptic curve cryptography functions: Private Key, Public Key, Signature, AES, Encryption, Decryption

JS library for steganography with encryption - Hide text in an image with encryption and obfuscation.

Mylar - Transparent end-to-end encryption for Meteor JS

JavaScript Elliptic curve cryptography library

Encrypted exploit delivery for the masses

Cryptee's web client source code for all platforms.

Encrypted and versioned configuration store built with collaboration in mind

Dead-simple file encryption for any OS

This plugin to encrypt the source files.

An end-to-end, RSA-2048 encrypted anonymous chat application.

A future proof, experimental WebRTC VP9 SVC SFU wit end to end encryption support

Xml digital signature and encryption library for Node.js

Easily generate a Let's Encrypt certificate for GitLab Pages