Text Diff Checker
Compare two texts and see what was added or removed.
How to use Text Diff Checker
follow along with the steps below
1Open the tool on this page and add two texts.
2Adjust the options if you need to. Results update right on the page.
3Copy or download a highlighted comparison. Nothing is uploaded, so you can repeat as often as you like.
About Text Diff Checker
Text Diff Checker is a free online tool from Supreme Pro. Compare two texts and see what was added or removed. It runs in your browser, so there is nothing to install and no account to create. Text tools are instant, and because nothing leaves your browser they are safe for private notes too.
Common uses
- Clean up copied text, lists and code snippets in seconds
- Convert text between formats for writing, coding and data work
- Check and transform text without opening a spreadsheet or editor
Tips for best results
- Paste your text, then review the result before you copy it
- Use the download button to save longer results as a .txt file
- Try the same input in a different tool to compare results
Features
- Lets you spot the differences between two versions of a text
- Free to use, no account or sign-up
- Private — runs entirely in your browser
- Works on phones, tablets and computers
Practical tips
Paste the older version on one side and the newer on the other to see exactly what changed. This is useful for checking edited contracts, essays or code before you accept changes. Strip unnecessary spacing first if you only care about wording differences.
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Base64 Encoder / DecoderEncode text to Base64 or decode it back — Unicode safe.Frequently Asked Questions about Text Diff Checker
Quick answers about using Text Diff Checker.
What is the Text Diff Checker?
The Text Diff Checker is a free online tool from Supreme Pro. Compare two texts and see what was added or removed. You can use it to spot the differences between two versions of a text.
How do I use the Text Diff Checker?
Open this page, add two texts in the tool above, adjust any options you want and read or download a highlighted comparison. Everything happens on the same page, so there is nothing to install.
Is the Text Diff Checker free?
Yes. The Text Diff Checker is free to use and does not need an account or sign-up.
Is my data safe when I use the Text Diff Checker?
Yes. The tool runs in your browser, so anything you add — such as two texts — is processed on your own device rather than being sent to our servers.
Does the Text Diff Checker work on mobile phones?
Yes. The page is responsive and works in modern browsers on phones, tablets and computers.
Can I use the Text Diff Checker offline?
Once you have opened this page, your browser can often reload it without a connection because Supreme Pro saves its core files for offline use. Open it once while online first.
Is there a limit on how much text I can use?
There is no fixed limit, but very large texts depend on the memory of your device and browser.
What counts as a difference?
Added, removed and changed text is highlighted, and unchanged text stays as it is.
Is my text sent anywhere?
No. The comparison runs in your browser.
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