Convert text to binary, hex, octal, decimal codes or HTML entities — and back — on your device, UTF-8 correct, with auto-detect on decode.
🔒 Your text never leaves your browser. Nothing is uploaded.
Text ↔ Binary / Hex is a free, private text & code tool that runs entirely in your web browser. Convert text to binary, hex, octal, decimal or ASCII codes — and back. Because everything happens locally on your device, your files and data are never uploaded to a server, there is no sign-up or installation required, and it keeps working offline. It is handy for text to binary, binary to text, ascii, hex. Like every HeroTool by Digital Heroes, Text ↔ Binary / Hex is 100% free with no limits.
Yes — Text ↔ Binary / Hex is completely free for everyone. No sign-up, no account and no usage limits.
No. Text ↔ Binary / Hex runs entirely in your browser on your own device, so your data never leaves your computer and nothing is uploaded to a server.
Yes. HeroTools is a Progressive Web App — once the page has loaded it keeps working offline, and you can install it as an app from your browser.
No. Just open the page and start using it. Installing it as an app is optional and only adds offline convenience.
Convert text to binary, hex, octal, decimal or ASCII codes — and back.