Developer
Text Diff Checker
Compare two text blocks and highlight added, removed, and unchanged text.
Pasted text is compared in your browser.
0Added
0Removed
1Compared lines
How to use Text Diff Checker
Best for
- Comparing two versions of copied text.
- Checking what changed after formatting or cleanup.
- Reviewing line-level or word-level edits without uploading a file.
Steps
- Paste the original text into the first box.
- Paste the changed text into the second box.
- Choose line or word comparison and review additions and removals.
Notes
- Large texts can be slower because the comparison runs in the browser.
- This is a text comparison tool, not a document or PDF comparison system.
FAQ
What is the difference between line and word diff?
Line diff compares complete lines. Word diff compares smaller word and whitespace tokens.
Can I copy the diff output?
Yes. Use the copy button to copy a plain-text diff with added and removed line prefixes.