Will your post fail?

Check a video and caption against Instagram Reels, TikTok and YouTube Shorts limits before you post. It runs in your browser. Nothing is uploaded.

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Ghostedit runs this check on every post before it goes out, so nothing fails at 9am.

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Limits from each platform's own docs, checked 23 October 2026. See every limit and its source. Platforms change them; tell us at alex@chen.media if one is out of date.