Text diff & compare

Paste the original and the changed text — see added lines in green, removed in red, with word-level highlights. Live and private. Nothing is uploaded.

Original

Changed

Ignore case Ignore whitespace

Differences

Everything runs in your browser. No upload, no sign-up.

How it works

STEP 1

Paste both versions

Drop the original text on the left and the changed text on the right.

STEP 2

See the diff

Added lines turn green (+), removed lines red (-), with word-level highlights — instantly as you type.

STEP 3

Copy the result

Copy the unified diff with one click. Everything stays on your device.