Text Diff
Compare two text blocks line by line
Use the interactive tool with JavaScript enabled.
About this tool
Paste two blocks of text to see a line-by-line comparison with additions highlighted in green and deletions in red. Useful for comparing configuration files, API response changes, documentation edits, database migration scripts, and code snippets — all without leaving the browser. The diff is computed instantly in your browser without uploading your text to any server.
Questions and answers
- Does text diff support character-level diffing?
- The tool performs line-by-line diffing, highlighting entire lines that differ between the two inputs.
- Can I compare JSON files with this tool?
- Yes, paste any plain text including JSON, YAML, SQL, or code. For structured JSON comparison with key-by-key analysis, try the JSON Compare tool.
Related tools
- JSON Compare — Diff two JSON documents side by side
- Line Tools — Sort, deduplicate, number, shuffle, and filter lines
- JSON Formatter — Format, validate, minify and sort JSON with tree view
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