Text tool
Text Diff Checker
Compare two text blocks and identify lines that were added, removed or unchanged.
Result
Your result will appear here.
Privacy note: most tools process input locally in your browser.
About the Text Diff Checker
Compare two text blocks line by line to spot additions and removals in drafts, notes or configuration files.
How to use this tool
Paste the original and updated text into the two boxes, then click Compare text. Read each line’s added, removed or unchanged label.
Example
A line appearing only in the updated text is marked added.
Tips for better results
This is a simple line comparison, not a full version-control diff algorithm.
Frequently asked questions
Does it compare words?
It compares lines.
Is comparison uploaded?
No, it runs in the browser.