💻 Diff Checker
Compare two texts and highlight differences
How It Works
- Splits both texts into lines
- Computes the Longest Common Subsequence (LCS) using dynamic programming
- Backtracks through the LCS table to identify added, removed, and unchanged lines
- Lines in green (+) are additions; lines in red (-) are deletions
How to Use Diff Checker
- 1Paste the original text in the left panel.
- 2Paste the modified text in the right panel.
- 3View the color-coded diff showing additions, deletions, and changes.
About Diff Checker
Compare two blocks of text or code side-by-side and highlight every difference. This diff checker shows additions, deletions, and modifications with color-coded output—perfect for code reviews and document comparison.
Frequently Asked Questions
Does it support code syntax highlighting?
Yes. The diff view applies syntax highlighting for common programming languages to make code differences easier to read.
Can I ignore whitespace differences?
Yes. Toggle the ignore-whitespace option to focus only on meaningful content changes.