Text difference checker

Find the lines that changed between two pieces of text.

Browser-based processing · No account needed · Inputs are not automatically saved
Text difference checker

Ready when you are. Try the sample or use your own input.

How to use this tool

Paste the original and updated versions, then compare. Added lines begin with + and removed lines with −.

A quick example

− Add water. and + Add sunlight. identify the changed line.

Supported formats & limitations

Line-level comparison; whitespace differences count. Input is limited to 100,000 characters per side and work is cancelled after 10 seconds.

Does this tool upload my input?

No. Tool processing happens in your browser. Your input and result are not automatically saved. The host may still receive ordinary page access logs.Read about privacy.

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