Text Diff Checker
Compare two texts side-by-side with highlighted additions, deletions, and changes. Free online diff tool — no signup, no upload.
◆ What it does
Compare two text blocks side-by-side or inline to find differences. Highlights additions, deletions, and changes with color coding.
▸ How to use
- Paste or type text in both input areas (Original and Modified)
- Choose viewing mode: Side by Side or Inline diff
- Open Options to ignore whitespace, case, or show line numbers
- Review highlighted differences — green for additions, red for deletions
▸ Why use this
- Compare code changes before committing
- Review document edits and revisions
- Verify configuration file differences between environments
- Debug unexpected output by comparing expected vs actual results