fiokit.

Text Difference Checker

Compare two texts and highlight added and removed words or lines side by side.

Hover over or focus a field for help. Press Escape to close.

How it works

Paste your content or load the example. Choose the available options, run the tool, then copy or download the result.

A practical example

Text 1

Hello world
A new day

Frequently asked questions

Is my input sent to a server?

No. Your content is processed in this browser. It is never sent to the server or saved.

What should I know about Text Difference Checker?

Choose words or lines. Both texts are compared literally, including whitespace.