ToolCenterLabToolCenterLab
HomeAll Tools
Ad — 728×90 Leaderboard
Ad — 728×90 Footer Banner
AboutPrivacy PolicyTerms of Service

Built with ❤️ by ToolCenterLab

HomeDeveloper ToolsDiff Checker

Diff Checker

Ad — Responsive In-Content

How to Use

  1. Paste original text in the left panel.
  2. Paste modified text in the right panel.
  3. Click Compare to see differences highlighted.
  4. Added lines are green, removed lines are red.

About Diff Checker

The Diff Checker compares two blocks of text and highlights the differences line by line. Added lines are shown in green, removed lines in red, making it easy to spot changes.

Perfect for comparing code versions, document revisions, configuration changes, or any two texts that need to be compared.

Frequently Asked Questions

How does the comparison work?

The tool compares texts line by line, identifying lines that were added, removed, or unchanged.

Can it compare code?

Yes, it works with any plain text including source code, configuration files, and markup.

Is there a size limit?

There is no hard limit, but very large texts may take a moment to process.

Ad — 300×250 Sidebar

Related Tools

Regex Tester

Test regex patterns with real-time match highlighting and group display.

JSON Formatter & Validator

Paste JSON to auto-format, prettify, and validate with error messages.

Markdown Preview

Write Markdown on the left, see rendered HTML preview on the right.