🔍 Diff Checker

Compare two texts line by line. See exactly what changed.

Ignore Case Ignore Whitespace

Original

Modified

💡 Use Cases

Code Review — Compare two versions of a file
Configuration — Spot differences between config files
Copy Editing — See what changed between drafts
Debugging — Compare logs or error outputs

📘 How It Works

Paste the original text in the left panel
Paste the modified text in the right panel
Click Compare
Differences are highlighted: green = added, red = removed

❓ FAQ

Is my data private?

Yes. Everything stays in your browser.

How does comparison work?

LCS (longest common subsequence) algorithm finds the optimal diff between two texts.

Can I compare large files?

Yes, but keep it under a few thousand lines for best performance.