How to Write a YouTube Description That Works
The description is a search document, a contents page and a link hub in one box: how the YouTube Description Generator drafts it from a summary of your video.
A YouTube description does three jobs at once: it helps search and recommendations understand the video, it gives viewers the summary, links and chapters they came for, and its first two lines appear in search results as your pitch. The YouTube Description Generator drafts the whole block from a short summary of the video — the skill is briefing it with what the video actually delivers.
Summarize the video you made, not the one you planned
The input asks what's the video about. Write the summary from the finished video: its actual topic, its actual steps or segments, the result it reaches. Planned videos drift during editing — a dropped segment or a changed conclusion in the summary produces a description advertising content that is not there, and viewers who feel misled leave and do not return.
The first two lines are the pitch
Search results and the collapsed view show only the opening lines, so they must carry the video's promise in the viewer's language — the same discipline as a headline. Check the generated draft's opening: does it say what the viewer gets, with the searchable phrase for the topic inside it? Everything below the fold (links, chapters, credits) serves people already watching; the top serves everyone deciding.
Structure the body like a contents page
A complete description typically runs: the pitch lines, a short paragraph expanding the summary, chapters or a segment list for longer videos, the links viewers will ask for (products, resources, related videos), and your standard channel block (socials, business contact, credits). Keep your channel block as a saved template and append it to every generated draft — consistency there is what makes descriptions a system instead of a weekly chore.
Keywords belong in sentences
Descriptions help discovery when the topic's phrases appear in natural sentences — the same words a viewer would search, inside the summary paragraph and segment names. A generated draft does this by construction; resist the temptation to append a paragraph of bare keyword phrases, which reads as spam to viewers and adds nothing the sentences did not. For the dedicated tag field, use the Tag Generator instead — different box, different job.
Generate the description with the video, not after the upload
Drafting the description from your script outline (the YouTube Script Generator's output) before or right after filming catches a quiet problem early: if the summary is hard to write, the video's point is unclear. Descriptions written at upload time, from memory, under time pressure, are where wrong links and missing chapters breed.
Quick tips
- Put links on their own lines with a short label — descriptions are scanned, not read.
- For a series, keep the pitch format identical across episodes; returning viewers navigate by pattern.
- Update descriptions of old videos when links or products change — a dead link in a popular video leaks trust daily.
- Chapters must match the video's actual timestamps; generate the text, then verify times against the final cut.