Diff Viewer

Compare text or code snippets to find differences.

1
-
// Original Code
1
+
// Modified Code
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function hello() {
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function hello() {
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-
  return "Hello World";
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+
  return "Hello Universe";
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}
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}
What is this Tool?
Diff Viewer is a tool that visually displays the differences by comparing two texts or codes. Additions, deletions, and changes are color-coded so anyone can easily identify them.
How to use
  1. Paste the text to compare into the left (Original) and right (Modified) input fields.
  2. Check the comparison results in real-time at the bottom.
  3. Select Unified (combined view) or Split (side-by-side view) mode for your preferred viewing style.
Why do you need it?
  • Code Review: Quickly identify changed code to find bugs or shorten review time.
  • Document Comparison: Quickly find version differences between two documents.
FAQ
Q. Is personal information safe?
Yes, all text comparison operations are performed inside your browser and are not leaked to external servers.