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.
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.