About the Text Compare (Diff)
Looking for a fast, free diff checker tool that respects your privacy? You are in the right place. Compare two texts and highlight every added or removed line. There are no uploads and no waiting queues — your input is processed instantly and privately on your own device.
It belongs to the Toologee text toolkit — a set of writing and formatting utilities that clean, convert, and analyse text instantly. It loads fast, works offline-friendly once the page is open, and never asks you to register.
How to Use Text Compare (Diff)
- Paste or type your text into the input box.
- Set any options the Text Compare (Diff) offers for your task.
- See the result update instantly in the output area.
- Copy the result with one click whenever you're ready.
Why Use Toologee?
100% Private
Your files and text never leave your browser — all processing is local.
Instant Results
No server round-trips means results appear the moment you act.
Always Free
No accounts, no watermarks, no usage caps — ever.
Works Everywhere
Fully responsive on desktop, tablet, and mobile browsers.
Frequently Asked Questions
Compare two texts and highlight every added or removed line. It does this instantly and locally, so you get results the moment you provide your input.
There's no fixed limit. Because Text Compare (Diff) works locally in your browser, you can process large blocks of text quickly without waiting on a server.
Yes. Text Compare (Diff) runs entirely in your browser using client-side JavaScript. Your files and text are never uploaded to any server, so your data stays completely on your own device.
Absolutely. Every tool on Toologee is 100% free with no sign-up, no watermarks, and no limits on how many times you can use it.