YouTube Description Generator
Assemble a best-practice YouTube description: hook line, summary, key points, chapters, links and hashtags, with a live counter against the 5,000-character limit. Free, runs entirely in your browser.
Chapters need a 0:00 start, at least 3 entries, and 10+ seconds each for YouTube to render them.
YouTube shows about the first 125 characters in search and 100 to 150 before Show more. This generator puts your title and summary first for that reason.
What a good YouTube description looks like
YouTube descriptions do three jobs: pitch the click in search (the first 125 characters), tell the algorithm what the video covers, and route viewers to your links and chapters. The structure this tool assembles follows that order:
- Hook line: the video's promise, keyword included, in the first sentence.
- Summary: one or two sentences expanding on what the viewer gets.
- Key points: a scannable list of what the video covers.
- Chapters: timestamps that let viewers jump, starting at 0:00.
- Links: labeled, so viewers know why they should click.
- Hashtags: three at most; only the first three render above your title.
Keep the total well under the 5,000-character limit: long walls of text get skipped, and YouTube truncates display long before the cap. Edit the output before publishing; a description that reads like a person wrote it outperforms a template every time.
Frequently asked questions
What is the YouTube description character limit?
5,000 characters. Only the first 100 to 150 characters show before Show more, and roughly the first 125 can appear in search snippets, so front-load the key information.
Do YouTube descriptions help videos rank?
Yes, modestly. They help YouTube and Google understand the video. Watch time and click-through rate matter far more, so descriptions support ranking rather than drive it.
What should the first 125 characters say?
What the video delivers, with the main keyword worked in naturally. That opening is your search snippet and your above-the-fold pitch.
How many hashtags should I use?
Three or fewer. Only the first three show above the title, and videos with more than 60 hashtags are ignored by the hashtag system entirely.
How do YouTube chapters work?
Timestamps on their own lines starting at 0:00, formatted MM:SS plus a label. At least three chapters, each 10+ seconds, for YouTube to render them.
Is this YouTube description generator free?
Yes. Free, no sign-up, and everything runs locally in your browser.