📖 Read the full Paraphrase Similarity Checker guide — how it works, examples & FAQ →
How to use this tool
- Paste the original text.
- Paste the paraphrase or comparison text.
- Read the similarity score.
Example
Original vs rewrite → 34% lexical overlap (low — safe to publish)
Why it's private
This tool runs entirely in your browser using JavaScript. Whatever you paste is processed on your own device — it is never uploaded to a server, logged, or stored. Built by Calabi, which also strips AI metadata and C2PA signals from images and video.