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What this tool does
Compare two versions of a paragraph and see what was added or removed. Useful for copy edits, contract redlines at a glance, and checking whether a rewrite kept the facts.
See the edit instead of guessing. Everything runs in your browser; your text is not uploaded.
Checking a rewrite, a policy update, or two versions of a short text.
Comparing very long documents where line alignment is not meaningful; use a document comparison tool.
Line-by-line view
Additions and removals are marked with + and − so the change is visible.
Good for short comparisons
Paste the two versions; no document upload.
Browser-first
Everything runs in your browser; your text is not uploaded.
No install, no lock-in
Open the page, finish the job, and copy the result. No desktop software.
How to use Text Diff
- 1
Paste your text
Add the text you want to work on.
- 2
Run the tool
Adjust the few options that matter, then start the job.
- 3
Take the result
Copy, download, or keep editing. Nothing is saved to an account.
Example
Version A: The launch is Friday. Version B: The launch is Monday.
− The launch is Friday. + The launch is Monday.
FAQ
Text Diff questions
Does it highlight word-level changes?
The current version compares lines. For word-level redlines, use a dedicated diff editor.
Is my text stored?
No. The text is processed in your browser.
What is the limit?
Up to 50,000 characters per side
Do I need an account?
No for the guest allowance. A free account gives 20 runs per tool per day; Pro gives 50.