Paste your two versions
Add the original text on the left and the updated version on the right.
LESS SCANNING. MORE CLARITY.
Text compare.
Two versions. Every difference, clear at a glance.
Your text stays in your browser
Before
0 words · 0 charactersPlain text
After
0 words · 0 charactersPlain text
Paste two versions above to find what changed.
− Removed+ Added
FROM SPOT THE DIFFERENCE TO SEE THE DIFFERENCE
A second pair of eyes.
Without the second guess.
Check revisions, review a draft, or catch a tiny change. This free online diff checker makes comparing text straightforward.
Make the comparison yours
Compare words, characters, or lines. Ignore case or whitespace when those changes don’t matter.
See exactly what changed
Removed text is marked in red; additions are marked in green. Review both versions side by side or in one view.
SMALL EDITS. BIG DIFFERENCE.
Compare text with confidence.
Review a rewrite
See what changed between drafts of an article, email, or website copy without rereading every sentence.
Check plain-text changes
Compare code snippets, configuration text, or notes. Character mode helps reveal small punctuation changes.
Keep your text private
Comparison happens on your device. Pasted text is not uploaded or saved by this tool, and disappears when you reload.
GOOD TO KNOW
A few common questions.
What is a text diff checker?
A text diff checker compares two versions of text and highlights additions and deletions. A replacement appears as removed text in the original and added text in the changed version, so you can review edits without checking each version manually.
How do I compare two texts online?
Paste your original text into the first box and the revised text into the second, then select Compare text. Choose word, character, or line comparison, and switch between side-by-side and unified results.
Is my text uploaded or stored?
No. The comparison runs in your browser. Diffscope does not send pasted text to a server or save it in browser storage. Reloading or closing this page clears the text from the tool.
What do ignore case and ignore whitespace do?
Ignore case treats uppercase and lowercase letters as equal, so “Hello” and “hello” match. Ignore whitespace disregards spaces, tabs, and line breaks when matching. Your original text remains visible in the side-by-side results.
Can I compare code or documents?
You can paste code or text copied from a document. Diffscope compares plain text, including punctuation and line breaks. It does not compare fonts, document formatting, images, or the meaning of code.
Is there a text length limit?
You can compare up to 100,000 characters in each box. For very large or heavily changed passages, the tool may highlight a whole section instead of finding every individual edit. It will tell you when this happens.