About Text Compare

Fast, private text comparison that runs entirely in your browser.

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Why Nobu Tools?

Nobu is my dog, and the inspiration behind these tools. Life is short โ€” we should spend less time on tedious tasks and more time with the ones we love.

Nobu Tools are built to save you time. Fast, private, no-nonsense utilities that just work โ€” so you can get back to what matters.

๐Ÿ”’ Privacy First

Your text stays yours. Everything runs locally in your browser using WebAssembly:

โšก How It Works

Text Compare uses a high-performance diff engine written in Rust and compiled to WebAssembly. It implements multiple professional-grade algorithms:

Algorithms

Comparison Modes

Views

๐Ÿ’ผ Use Cases

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Writers & Editors

Track revisions between drafts. See exactly what changed.

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Developers

Compare config files, API responses, or code snippets.

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Legal Professionals

Compare contract versions to identify changed terms.

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QA & Testing

Compare expected vs actual output.

โŒจ๏ธ Keyboard Shortcuts

โ“ FAQ

Is my text sent to a server?

No. All comparison happens locally. Your text never leaves your device.

What's the maximum text size?

1,000,000 characters per side โ€” roughly 500 pages.

Does it work offline?

Yes! Once loaded, no internet connection required.

Ready to Compare?

Try Text Compare now โ€” no signup required

Start Comparing โ†’