SellstampText compare
Compare two texts and see what was added and removed, line by line, word by word or character by character, highlighted in place.
Stays on your device
Everything runs in your browser. Nothing you type is sent to Sellstamp or anyone else.
Writing a product page?
Sellstamp gives your digital product a storefront, a checkout and automatic delivery. Open a free store
How to use it
- Paste the original on the left and the changed version on the right.
- Choose to compare by lines, words or characters.
- Read the highlighted differences: green is added, red is removed.
Your text stays on this page
Everything happens in this browser tab as you type. Nothing you paste is sent to Sellstamp or anyone else, so it is safe to use with drafts, contracts or anything you would rather not upload.
Lines, words or characters
Compare by lines for code, lists and configuration; by words for prose, where a line may wrap differently; by characters to find a single changed letter or digit. Differences are marked as insertions and deletions, which screen readers announce as such.
The comparison uses the jsdiff library, and gives up after three seconds on texts too different to align, rather than freezing the page.
Questions
How do I find the difference between two texts?
Paste one into each box. Added text is highlighted green and removed text red.
Can it ignore capital letters?
Yes. Tick “Ignore case”.
Can I compare two files?
Open each file, copy its contents, and paste them into the two boxes.
Is there a size limit?
No fixed limit, but very different long texts may take more than the three seconds allowed; compare by lines or in sections.
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