Local · Private · Free
Text Diff
Compare two versions of text and see exactly what changed — line by line, on your device.
🔒 Runs entirely on your device — nothing is sent anywhere.
Compare two versions of text and see exactly what changed — line by line, on your device.
🔒 Runs entirely on your device — nothing is sent anywhere.
Text Diff is a free, private text & code tool that runs entirely in your web browser. Compare two texts and highlight every change. 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 diff, compare, difference, changes. Like every HeroTool by Digital Heroes, Text Diff is 100% free with no limits.
Yes — Text Diff is completely free for everyone. No sign-up, no account and no usage limits.
No. Text Diff 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.
Compare two texts and highlight every change.