About the Text Diff Checker
The Text Diff Checker is a free online tool that lets you compare two blocks of text and highlight differences. With it you can count, clean, transform and generate text instantly — there's nothing to install and no account to create. Just open the tool, do what you need, and you're done.
It's part of the Text collection on OmniTools, a growing platform of 131+ free, privacy-first tools built for speed and a great experience on every device.
Also known as: compare, diff, changes.
Why use the Text Diff Checker?
- Real-time processing
- Handles long documents
- One-click copy
- Private, on-device processing
When to use it
- Editing and proofreading
- Preparing content for publishing
- Cleaning up messy text
How to use the Text Diff Checker
- Open the Text Diff Checker. Open the Text Diff Checker on this page — there is nothing to install and no account needed.
- Add your input. Type or paste your input into the tool.
- Adjust options. Choose any options you need — the Text Diff Checker updates instantly.
- Get your result. Click the action button to download or copy your result. It is 100% free.