🔍 Diff Checker
Compare two texts or code snippets side-by-side. See additions, deletions, and changes highlighted with color coding.
📄 Original Text
📝 Modified Text
🔧 Features
- Side-by-Side View: Compare texts in parallel columns
- Color Coding: Green for additions, red for deletions, yellow for changes
- Line Numbers: Track exact line positions
- Ignore Whitespace: Focus on actual content changes
- Case Sensitivity: Toggle case-sensitive comparison
- Statistics: See count of added, removed, and unchanged lines
📋 How to Use the Diff Checker
- Paste the original text on the left and the changed text on the right.
- Set options: ignore whitespace, case sensitive, show line numbers.
- Select Compare Differences to see additions, deletions and changes highlighted.
- Use Swap Texts to reverse the comparison.
🎯 When to Use It
- Reviewing what changed between two versions of a config file or script.
- Comparing two drafts of a document.
- Checking that a copy or migration matches the original.
💡 Tips & Common Pitfalls
- Turn on Ignore whitespace when indentation differences are creating noise.
- Turn off case sensitivity when only capitalisation changed.
- For very large files, compare the section you care about to keep the result readable.
❓ Frequently Asked Questions
What is a diff checker?
A diff checker compares two versions of text and highlights the differences, showing what was added, removed, or changed between them.
What can I use this for?
Compare code changes, review document edits, check configuration files, merge conflicts, or any text comparison needs.
What do the colors mean?
Green = added lines, Red = deleted lines, Yellow = modified lines with character-level changes highlighted.
Is my text stored anywhere?
No! All comparison happens in your browser. Your text never leaves your device.