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QZTools

Compare two texts

See what changed between two versions of a contract, an essay or a code snippet.

Everything runs in your browser. Nothing you type or paste is sent to a server.

How to compare two texts

  1. 1

    Paste the original version on the left.

  2. 2

    Paste the changed version on the right.

  3. 3

    Review the highlighted differences and choose to compare by lines, words or characters.

About this tool

Word mode is the most comfortable for regular text; line mode for code and lists; character mode to catch tiny typos.

You can ignore case and whitespace to focus on real content changes. No text leaves your browser.

Frequently asked questions

Can I compare files?

Yes, use “Open file” on each side to load text files.

Is it safe to compare confidential documents?

Yes. The comparison runs on your device and nothing is sent.

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