Free AI YouTube Description Generator
Write SEO-friendly, high-converting video descriptions in seconds — with calls-to-action, affiliate disclosures, and social links, all done for you.
Video Details
Generated Description
Review before publishing — always personalise the output for your audience.
How to Generate the Perfect YouTube Description
Enter Your Video Details
Fill in your video title and a brief summary of what it covers. Optionally add your subscribe and social links to include them in the output.
Click Generate
Our AI structures a complete description with a hook, keyword-rich summary, calls-to-action, social links, and an FTC-compliant affiliate disclosure — all in one click.
Copy & Paste
Hit Copy and paste directly into YouTube Studio. Make any final tweaks — add your affiliate links, timestamps, and hashtags — then publish.
Why Use an AI Description Writer?
A well-crafted description does three jobs at once: it tells YouTube's algorithm what your video is about, ranks it in Google, and converts viewers into subscribers and buyers.
Boost SEO
AI weaves your title and topic into natural keyword phrases that help YouTube and Google surface your video to the right audience — without keyword stuffing.
Save Time
A well-structured description used to take 15–30 minutes to write. Generate a complete, structured draft in under 10 seconds and spend that time creating more content instead.
Include Affiliate Links Properly
The generator automatically adds an FTC-compliant affiliate disclosure so your monetisation is transparent and your channel stays protected from policy violations.
For YouTube Creators & Affiliates
Description Ready? Make Sure Your Links Actually Work!
A great description gets clicks — but if your affiliate links are silently returning 404 errors or broken redirects, you're losing commissions every single day. BrokenTube automatically scans your entire channel 24/7 and alerts you the moment a link in any description breaks.
No credit card • Takes 30 seconds
Frequently Asked Questions
YouTube's algorithm reads your description to understand what your video is about. A keyword-rich description improves your ranking in YouTube Search and Suggested Videos. It also shows up in Google Search results, driving additional organic traffic. Descriptions with clear timestamps and calls-to-action also increase watch time and subscriber conversions.
Place your most important affiliate links in the first 2–3 lines — this section is visible without clicking "Show more" on mobile. Label them clearly (e.g. 🔗 Tool I use:) and always include an FTC-compliant disclosure statement. YouTube and the FTC require you to disclose material connections when you earn commissions.
Yes, completely. There is no paywall, no credit limit, and no account required. The description generator is powered by AI and available to all creators at no cost.
YouTube allows up to 5,000 characters. The ideal length is 200–500 words. The first 157 characters are the most important because they appear in Google search snippets. Use that space for your primary keyword, key affiliate links, and a hook to encourage viewers to click "Show more".