Text Diff Checker
Compare two versions of a document or code snippet side by side and see exactly which lines were added or removed.
How to check text differences
- Paste the original text into the first box.
- Paste the modified text into the second box.
- Click Find Differences to compare the two versions.
- Review added and removed lines and the change counts.
FAQs
How does the comparison work?
Both texts are split into lines and compared using a line-by-line algorithm. Lines found only in the modified text are marked as added, and lines only in the original as removed.
Why is a line shown as removed and added?
If a line changed, the original line is shown in red as removed and the new line in green as added. This is the standard way diff tools represent edits.
Does my text leave my device?
No. The diff is computed entirely in your browser, so your text is never uploaded or stored anywhere.
Is this text diff checker free?
Yes. All Handio tools are free with no sign-up and no limits on how much text you compare.
Related Tools
Why use Text Diff Checker?
Compare two versions of a config file, document or code snippet side by side to see exactly which lines were added or removed.
- Compare two versions of a config file before and after an edit to catch accidental changes.
- Review the changes between two drafts of an article or contract.
- Spot differences in code or log output between two releases.
Tips and Limits
The comparison is line-based, so a changed line appears as one removed and one added; both texts are compared entirely on your device, so your data never leaves your browser.