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Toxic Comment Checker

Score comments and messages for toxicity, insults, threats and hate, privately in your browser.

Free, no uploads, no sign-up. Runs 100% in your browser.

How Toxic Comment Checker works

Each line, sentence or paragraph is scored by a BERT model fine tuned for toxic comments (six labels: toxic, severe, obscene, threat, insult and identity hate). It runs in a Web Worker on the GPU or CPU, with progress and Cancel.

Input: Text. Output: CSV.

How to use Toxic Comment Checker

  1. Paste comments, one per line.
  2. Set the score that counts as flagged.
  3. Check them and read the labels.
  4. Download the scores as CSV.

Tips

  • Nothing is uploaded. Your files stay in this browser tab.

Toxic Comment Checker FAQ

Are my files uploaded?
No. This tool runs entirely in your browser tab. Files are read from your disk into memory and the result is generated locally.
Is it free? Are there limits or watermarks?
Free and open source (MIT). There are no file-size caps, daily quotas, accounts or watermarks.
Does it work offline?
Yes, once the page (and any engine it needs) has loaded, it keeps working without a connection thanks to the service worker cache.

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