Frequently asked questions about Diff Checker
Eight common questions about Diff Checker, answered in plain English. Browser-based, free, no signup, runs entirely on your device.
Most inputs you work with don't justify opening Word. Diff Checker is for the in-between cases — paste, transform, paste back. Browser-local, no signup, no character limits.
Run it in your browser: Diff Checker — No upload, no signup, no daily limit.
Questions readers ask
Below are the questions about Diff Checker that come up most often.
Use the tool
Browser-only. Nothing is sent to a server.
Frequently asked questions
Does Diff Checker count characters with or without spaces?
Diff Checker shows both counts simultaneously, so you can use whichever your target requires.
Does Diff Checker save my text?
No. Diff Checker processes everything in your browser; nothing is uploaded or stored.
Is there a length limit?
Practically, several MB of text. Beyond that the browser starts to lag.
Will Diff Checker work offline?
Yes — once the page loads, processing happens locally with no further network calls.
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- Five worked examples with Diff Checker
- A brief history of Diff Checker — where this idea came from
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Ready to try it?
Run it in your browser: Diff Checker. No upload, no signup, no daily limit.
Last reviewed May 2026. File-size limits, portal requirements, and software defaults change over time — always verify with the destination platform before uploading time-sensitive documents. References to third-party services and products are for descriptive purposes only and do not imply any partnership or endorsement.