Free online tool to compare two Java files and find difference.

Compare and find difference in two Java files easily for free. Just paste or enter original and modified Java code in respective editors and click 🔍 Compare button to get diff.
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How to compare Java files/code side by side & View Diff

Copy the original Java code in the block on the left and modified Java code in the right block. Just click Check button to view side by side comparison.

Online Java Diff Tool Features

Is this Java diff Checker free?

Yes, this service is free and we don't save any data unless you explicitly ask us to save.

What are other features of this Java Comparator?

  • This Java diffing tool can show syntax highlighting for your comfort.
  • You can easily find all the occurances of particular string if you want to change them.


  • Privacy friendly: All text processing & comparison is done in your browser. Your data remains private.
  • Inline diff mode, word wraping, dark/high-contrast theme support.
  • Change statistics and line by line change navigator.
  • No installation. Works in all modern browsers.
  • Syntax highlighting & formatting for various programming languages.
  • 128-bit SSL/TLS encryption for uploaded/shared diffs.
  • Export diff as single PDF file in combined mode.