When should I use word vs line diff?

Use line diff for code or logs; word diff for prose edits; character diff for typos in short strings.

What does ignore whitespace do?

Leading, trailing, and repeated internal spaces are normalized before comparing.

Yes. Use the import buttons on each panel to load local text files into A and B.

Side-by-side vs unified?

Side-by-side shows two columns; unified merges changes into a single stream like git diff.

Text Compare

Diff two texts by lines, words, or characters with side-by-side or unified view. Ignore case, whitespace, blank lines, or punctuation.

Files and content are processed locally in your browser and are not uploaded to our server.

About this tool

Compare an original and modified version of any text with granular diff modes: line, word, or character level. Toggle ignore options for case, whitespace, blank lines, and punctuation, then review changes in side-by-side or unified layout with highlighted additions and deletions.

How to use

Line, word, and character diff granularity
Side-by-side and unified view modes
Ignore case, whitespace, blank lines, punctuation
Import both sides from local files
Export diff summary as text
Paste A and B: Enter original text in panel A and modified text in panel B.
Set diff options: Choose granularity, view mode, and ignore checkboxes.
Review highlights: Added, removed, and changed segments are color-coded.

Examples

Review contract or policy revisions before signing
Compare config file versions during deployments
Proofread translated copy against source text
Audit changelog edits in README or release notes

Limitations

Very large texts trigger a performance warning above the threshold
Diff is computed in-browser; extremely long inputs may lag
The text entered in the tool is processed directly in your browser and is not sent to a server.

FAQ

When should I use word vs line diff?: Use line diff for code or logs; word diff for prose edits; character diff for typos in short strings.
What does ignore whitespace do?: Leading, trailing, and repeated internal spaces are normalized before comparing.
Can I compare files?: Yes. Use the import buttons on each panel to load local text files into A and B.
Side-by-side vs unified?: Side-by-side shows two columns; unified merges changes into a single stream like git diff.