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Know before you post.

Know before you post.

Paste the draft, pick where it’s going, and get the signal.

Before the full check
  • Spoken words: the video is uploaded over HTTPS to temporary private storage and sent to our transcription provider (AssemblyAI) to get the words and their timings.
  • On-screen text and visual content: a small set of sampled frames (never the whole video) is sent to our AI reviewer (Anthropic) to read any text and describe what is shown.
  • Subtitle track: read on your device if the file has one.
  • Deleted right after: the uploaded video is deleted as soon as the transcript is back, the provider copy is deleted by API, and frames are never stored. Nothing is kept, used for advertising, or used for tracking.
  • Your caption and file details are checked the same way as always.

Full details are on the privacy page. You can change this choice any time from the checker.

Check my post…

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Try an example:
Where are you posting?
Video or imageOptional

Caption checks are free and unlimited. A full video check uploads the video for transcription and sends sampled frames for review, then deletes them. Stop Check Publish provides pre-publish guidance and cannot guarantee how a platform will moderate, recommend, approve, or distribute content.

Your result shows up here.

Green means go. Yellow means take a second look. Red means fix this part first.

  • Looks good· Ready to publish
  • Wait a sec· Review something before posting
  • Hold up· Fix before publishing