Text Diff Checker

Paste two blocks of text to see a detailed comparison with additions, deletions, and modifications highlighted. Perfect for comparing code revisions, document versions, or any two texts.

How to Use Text Diff Checker

  1. Paste or enter your data in the input field above.
  2. The result appears instantly — no button press needed.
  3. Copy the output to your clipboard with one click.

Frequently Asked Questions

How does the diff algorithm work?
The tool compares texts line by line, highlighting added (green), removed (red), and unchanged lines — similar to how Git shows diffs.

Related Tools

PopularText Tools

Regex Tester

Test regular expressions in real-time with match highlighting and capture group display.

Open tool →
NewText Tools

Word Counter & Text Analyzer

Count words, characters, sentences, and paragraphs. Estimate reading and speaking time.

Open tool →
NewText Tools

Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.

Open tool →