Text Diff
Compare two text blocks online with line-by-line diff highlighting. See additions, deletions, and unchanged lines. No upload needed. Free text diff 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.
Frequently Asked Questions
- 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.
- Is this tool free to use?
- Yes, all tools on Here Be Tools are completely free with no signup or account required.
- Is my data sent to a server?
- No. All processing happens locally in your browser. No data you enter is ever transmitted to any server.