A simple, fast, and private browser-based text encryption and decryption tool using AES-256-GCM. All operations happen locally in your browser. No data is sent or stored on any server.
Live demo: https://pureshare.brahui.dev/
- AES-256-GCM encryption using Web Crypto API
- 100% client-side encryption and decryption
- No backend, no tracking, no data storage
- Random key generator
- Encrypt and decrypt any text
- Works offline after first load
- Free and open source
- Encryption happens entirely in your browser
- The encryption key never leaves your device
- Uses modern AES-GCM authenticated encryption
- IV is randomly generated for every encryption
- Enter or generate a 16 or 32 character key
- Paste or type your text
- Click Encrypt to get encrypted JSON output
- Paste encrypted data and use the same key to decrypt
- HTML5
- CSS3
- Vanilla JavaScript
- Web Crypto API (AES-GCM)
You can use this tool by:
- Visiting the live site
- Hosting it yourself as a static site
- Opening the
index.htmlfile locally in your browser
No build step required.
This tool is intended for personal and educational use. Always verify security requirements before using it for sensitive or critical data.
MIT License
With ❤️ from @azeemhassni - Made with privacy in mind.