Compare content revisions
Paste an original and updated version to quickly see what was added, removed or left unchanged.
Free Tool
Text Diff Checker for Smarter Website Decisions
Review copy edits, documentation changes, content revisions and small text updates before publishing or sharing them.
Text Utility
Text Diff Checker
Ready
Added00 parts
Removed00 parts
Unchanged0matched parts
Added text Removed text Unchanged text
Text differences will appear here...
Added Parts0
Removed Parts0
Unchanged Parts0
Added Chars0
Removed Chars0
What It Checks
Focus Areas for This Tool
These are the signals I would review manually when deciding what needs fixing first.
01
Word diff
Review this area to understand whether it is helping or hurting growth.
02
Line diff
Review this area to understand whether it is helping or hurting growth.
03
Sentence diff
Review this area to understand whether it is helping or hurting growth.
04
Copy and download output
Review this area to understand whether it is helping or hurting growth.
Optimization Guide
How This Tool Helps Before Publishing
A little context makes the numbers more useful. Use these notes to understand where this tool fits inside content, SEO and website reviews.
Switch comparison levels
Use word comparison for copy edits, line comparison for logs or lists and sentence comparison for paragraph-level review.
Useful for publishing checks
Review landing page copy, documentation changes and SEO text edits before sending them live.
Private browser-based comparison
Text is compared in your browser, so drafts, notes and internal copy do not need to be uploaded to a server.
FAQs
Frequently Asked Questions
Quick answers about how this tool works and when to use it.
It compares two pasted text blocks and highlights added, removed and unchanged parts.
Yes. You can compare by words, lines or sentences depending on the kind of text you are reviewing.
Yes. The tool can copy or download a plain-text diff with added and removed lines marked.
No. The tool runs in your browser, so pasted text is processed locally on your device.