Need to count words for an essay or social post? The Wivrix Text Diff Checker is free, works in your browser, and takes seconds to use.
What this tool does
Compare two texts and see exactly what changed line by line. Free online diff checker.
Why use Wivrix?
Many online tools ask you to sign up, add a watermark, or upload your files to a server you cannot see. Wivrix is different:
- Private by design — Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
- Free — no account, no paywall, no file-size tricks
- Fast — open the page and start working
Step-by-step guide
- Lines with a minus (-) were removed from the original.
- Lines with a plus (+) were added in the new version.
- Lines with spaces are unchanged.
- Unified — classic single-column diff with +/- prefixes.
Common uses
- Count words for an essay or social post
- Compare two versions of a document
- Preview markdown before publishing
- Clean up a messy list of lines
Frequently asked questions
Do I need an account?
No. Open the tool and use it straight away.
Is the Text Diff Checker really free?
Yes. Wivrix tools are free to use. The site is supported by ads that load only after you consent.
Is my data safe?
Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
Try it now
Open the free Text Diff Checker and follow the steps above. If this guide helped, bookmark the tool or share it with someone who needs the same job done quickly.
Related tools
- JSON Formatter & Validator — see also our guide
- Markdown Preview — see also our guide
- Case Converter — see also our guide
Ready to try it? Open the free Text Diff Checker — no sign-up needed.
Open Text Diff Checker →