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Code Analysis & Debugging · free · no sign-up

Code Diff Checker

Find the lines that were added, removed or changed between two versions of code.

How it works Report a problem

Code Diff Checker

Compare two pieces of code to see added, removed, and modified lines.

Original Code
New Code

About the Code Diff Checker

Find the lines that were added, removed or changed between two versions of code.

How to use the Code Diff Checker

  1. Paste your code into the input box, or click Sample to load an example.
  2. Paste the original code and the changed code in the two boxes.
  3. Press Process Now.
  4. Use Copy (or Download where shown) to keep the result. Clear empties the box.

Tips

  • Review each change carefully before you merge it.

Frequently asked questions

Does it ignore whitespace changes?
Whitespace differences may be shown. Check the highlighted lines.