YouTube Description Checker

Check your YouTube description length and preview how it appears before expansion.

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The YouTube Description Checker analyzes your video description and shows you exactly how it will appear to viewers before they click 'Show more'. YouTube only displays the first few lines of your description — this tool helps you make those lines count by showing a real-time preview, character count, line count, and optimization tips.

How to Use

  1. 1Type or paste your video description into the text area.
  2. 2Review the character and line count displayed below the input.
  3. 3Check the 'Visible Preview' section to see what viewers will see before clicking 'Show more'.
  4. 4Follow the optimization tips to improve your description's effectiveness.

Benefits & Expected Results

  • See exactly how your description appears before publishing — no more guesswork.
  • Optimize the crucial first 150 characters that viewers see without expanding.
  • Improve video discoverability by placing keywords in the visible portion.
  • Increase click-through on links by positioning them strategically.
  • Write better descriptions that drive engagement and watch time.

Recommended For

  • YouTube creators who want to maximize description effectiveness
  • Marketers promoting products or services through YouTube videos
  • Educators and tutorial creators adding resources and links
  • Anyone looking to improve their YouTube SEO through better descriptions

Frequently Asked Questions

How many characters should a YouTube description be?
YouTube allows up to 5,000 characters in descriptions. However, only the first 150–200 characters are visible before 'Show more', so front-load your most important information.
Does the YouTube description affect SEO?
Yes! YouTube uses description text to understand your video's content. Including relevant keywords naturally in your description helps YouTube recommend your video to the right audience.
What should I put in the first lines of my description?
Include a compelling summary of your video, relevant keywords, and any important links or calls-to-action. This is what viewers see without clicking 'Show more'.