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Text Diff Checker — Compare Two Texts
Compare any two blocks of text side-by-side and instantly see what changed — added lines highlighted in green, removed in red. Useful for comparing document revisions, config files, or any text with changes.
Diff Levels
- Lines — Highlights entire lines that were added or removed. Best for code and structured text.
- Words — Highlights individual words that changed within lines. Best for prose.
- Chars — Character-by-character comparison. Best for spotting typos.
Is my data sent to a server?
No — diffing runs entirely in your browser using the open-source diff library. Nothing is transmitted.