Text Diff Tool

Diff mode
Character diff (best for short text) Word diff (best for prose) Line diff (best for logs/code blocks) Diff Swap Clear

Tip: For large texts, use Line diff. Character diff is the slowest.

Diff

Green = inserted in B. Red = removed from A.

About this text diff

This tool compares two blocks of text and highlights additions and removals.

Choose character, word, or line mode depending on the type of content you are comparing.

All processing happens locally in your browser, so your text stays private.

FAQ

Which diff mode should I use?

Use line mode for code or logs, word mode for prose, and character mode for short snippets.

Does this upload my text?

No. Everything runs locally in your browser.