Text Diff Checker
Paste two texts side by side to instantly see which lines are added, removed, or changed.
What Does This Tool Do?
Compares two blocks of text line by line and highlights the differences: added lines in green, removed lines in red, and unchanged lines in gray.
Key Features
Line-by-Line
Compares text at the line level.
Color Coded
Green for added, red for removed, gray for same.
Summary
Shows count of added, removed, and unchanged lines.
Case Insensitive
Optional case-insensitive comparison.
How to Use This Tool
- Paste text A in the left panel.
- Paste text B in the right panel.
- Click Compare to see differences.
How It Works
Aligns lines from both texts by index and compares them. Lines that differ are highlighted, and lines that exist in one text but not the other are marked as added or removed.
Common Use Cases
💡 Code Review
Compare two versions of a code snippet.
💡 Document Editing
See what changed between two drafts.
💡 Data Comparison
Find differences between two data exports.
Frequently Asked Questions
Does it work like git diff?
Similar in concept but simpler — it compares by line index rather than using the LCS (longest common subsequence) algorithm that git uses.
Related Tools
Link to This Tool
Copy and paste the code below to link to this tool from your website:
<a href="https://adedx.com/tools/text-diff/">Text Diff Checker — AdeDX Free Online Tools</a>