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Hello worldthere
This is the original.updated.
Why Text Diff
- Word-level LCS diff with green/red highlighting.
- Live, updates as you type in either pane.
- 100% client-side, zero external deps.
Common questions
Is Text Diff free to use?
Yes. Text Diff is completely free. There is no sign up, no trial, and no usage cap.
Do I need an account to use Text Diff?
No. You can start using Text Diff straight away. We do not ask for an email address or a login.
Is my data uploaded to a server when I use Text Diff?
No. Text Diff runs entirely inside your browser, so the text you enter never leaves your device and nothing is sent to us.
Do you store the text I use with Text Diff?
No. Because everything happens locally in your browser, there is nothing for us to store. Close the tab and it is gone.
Is there a character or word limit in Text Diff?
There is no fixed limit. Because Text Diff runs in your browser, only very large amounts of text may slow things down.
Does Text Diff keep my text private?
Yes. Your text is processed locally in the browser and is not sent to a server.
How do I use Text Diff?
Enter or paste your text and Text Diff updates the result as you go. When it looks right, copy or download it with one click.
Does Text Diff work on phones and tablets?
Yes. Text Diff is responsive and works in any modern browser on mobile, tablet, and desktop.
Which browsers does Text Diff support?
It works in current versions of Chrome, Firefox, Safari, and Edge. For the best experience, keep your browser up to date.
Is there a limit on how often I can use Text Diff?
No. You can use Text Diff as many times as you need, at no cost.
Can I use Text Diff for commercial or client work?
Yes. You are free to use the output in personal, educational, and commercial projects.
Why is Text Diff free?
The site is supported by advertising, which lets us keep every tool free and open to everyone.
What should I do if Text Diff gives an unexpected result?
First check that your text is formatted as expected. If something still looks wrong, use the feedback link on the page and we will take a look.