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Free YouTube Description Length
Checker

Free YouTube description checker with 5,000-character and API byte validation, chapter checks, hashtag/link analysis, keyword placement, previews, local snapshots and export.

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FreeUse this tool without paying.No sign upStart with the tool right away.Clear stepsRead the tool’s own guidance.

About Free YouTube Description Length Checker

Validate the public 5,000-character description limit and the stricter 5,000-byte Data API boundary, then inspect opening lines, keywords, hashtags, links, chapters, invisible characters and upload-readiness — entirely in your browser.

Workspace options

  • Video description
  • Video type
  • Safety margin
  • Priority keywords / phrases
  • Opening preview
  • Primary compatibility

Available actions

  • ☼ / ◐
  • Load polished sample
  • Copy
  • Trim to safe limit
  • Clean invisible chars
  • Save snapshot