Writing tools · Free · 2 min
Text Difference Checker
Compare two plain-text versions line by line. Added, removed, and unchanged lines are shown with clear labels and colors.
Original
Revised
Added lines are green; removed lines are red.
What this tool helps with
Small edits between drafts can be difficult to spot, especially in configuration files, notes, and copy revisions.
How to use it
- Paste the original text in the left panel.
- Paste the revised text in the right panel.
- Select Compare to view added and removed lines.
Requirements
Two text versions and a modern browser.
Limits and privacy
Comparison is line-based and intended for small or medium text snippets. Very large comparisons are capped to keep the page responsive. Inputs are processed locally in this browser. The site does not provide an upload endpoint for this tool.
Frequently asked questions
Does it compare Word formatting?
No. It compares plain text only; formatting is not retained.
Are my drafts sent anywhere?
No. Comparison runs locally in your browser.
Step-by-step guide
Compare two text drafts line by line in your browser →