Popular•Client-Side Processing

Diff Checker

Compare two code files or text snippets with split-screen and inline difference highlighting.

Developer workbench

Configure. Run. Inspect.

Runs locally. Inputs and results are not automatically saved.

⌘ / Ctrl + Enter to run
Options
42 input bytes

Output

How to Use Diff Checker

01

Paste original text in the left pane.

02

Paste modified text in the right pane.

03

Inspect highlighted additions (green) and deletions (red).

Frequently Asked Questions

Does it detect word-level differences?

Yes, intra-line word changes are highlighted with darker background contrast.

Related Developer Tools

Explore more free client-side developer utilities in this category

View All Tools