Dzzz

Prompt diff On-device

Two prompts in, every changed word out — with the token delta per model.

Count with
A · ORIGINAL 0 words
B · REVISED 0 words
Output

Paste on the left to start.

Paste above to start.

diff.md

Everything runs on your device. Nothing you paste is sent anywhere, and it's cleared when you close the tab.

Two prompts in, every changed word out — with the token delta per model. Everything runs in your browser; nothing you paste is sent anywhere.

About this tool

What you provide

  • Two prompts or texts.

What you get

  • Inline and side-by-side diff, statistics and a CriticMarkup file.

Limits

  • Very large inputs fall back to a line diff.

How to use it

  1. Paste both

    Paste the original in A and the revision in B.

  2. Pick the unit

    Compare words, lines or characters.

  3. Read the result

    Check the inline diff, side-by-side view or token statistics.

Frequently asked questions

Does it show what changed between two prompts?

Yes. It marks every added and removed word, line or character, and reports how the token count changes per model.

Is my prompt uploaded?

No. The comparison runs on your device and nothing you paste leaves it.