Text diff
Compare two blocks of text and highlight added and removed lines or words.
How to use
Text diff lets you compare two blocks of text and highlight added and removed lines or words. Paste your text and the result appears immediately, ready to copy back out.
All processing happens in your browser, so your text is never sent anywhere. It's completely free, with no sign-up, no watermarks and no limits on how often you use it.
Examples
Drop in a paragraph and the tool processes it line by line, updating as you edit.
Once text diff shows your output, use the copy or download button to grab it — no retyping.
Frequently asked questions
Is Text diff free to use?
Yes. Text diff is completely free with no sign-up, no watermarks and no usage limits.
Is my data private?
Yes. All processing happens in your browser, so your text is never sent anywhere.
Does Text diff work on mobile?
Yes. It works in any modern browser on desktop, tablet or phone, and keeps working offline once the page has loaded.
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