YouTube Description Length Checker
Check your YouTube description against the 5,000-character limit.
Descriptions can be up to 5,000 characters. Only the first ~150 show above the “Show more” fold, so put your key message and links near the top.
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The YouTube Description Length Checker counts your description in real time against YouTube's 5,000-character limit. It reminds you that only the first ~150 characters show above the “Show more” fold — so your key message and links belong at the top.
Why use this tool
Live character count
Tracks length against the 5,000-character limit as you type.
Fold reminder
Prompts you to front-load the important text and links.
Words and remaining
Shows word count and characters left at a glance.
How to use it
Paste your description
Enter the full video description.
Check the meter
Confirm you're within the 5,000-character limit.
Optimize the top
Move key info and links above the fold.
Frequently asked questions
What is the YouTube description character limit?+
Descriptions can be up to 5,000 characters.
How much of the description is visible?+
Only about the first 150 characters show before the “Show more” button.
What should go at the top?+
Your key message, main keywords and the most important links — viewers see those first.
Do descriptions help SEO?+
Yes. A clear, keyword-relevant description helps YouTube understand and recommend your video.