A 400-character caption on YouTube
YouTube shows about the first 157 characters before "…more", so 243 of the 400 are hidden until someone taps. Put the hook in those first 157.
To find YouTube hashtags, type the topic of your post and the YouTube hashtag generator suggests broad, niche and community tags in groups, sized to YouTube’s rules. It works from templates, not live trend data, so search each tag on YouTube before you post and keep the few that match the post best. YouTube posts take up to 5,000 characters, shows about 157 before "…more", and allows up to 60 hashtags.
Type what the video is about; the suggestions come back in groups (broad, niche and video format), so you can pick the few that describe it best.
YouTube ignores every hashtag on a video with more than 60, not just the extras, and shows up to 3 of the most engaging ones above the title, so a few relevant tags work better than many.
YouTube enforces a hard cap of 60 hashtags — the same limit SkedCast’s own composer gates on.
15 suggestions across 3 categories
Umbrella tags for the topic’s niche.
Compound tags built from the exact topic.
Format tags describing what kind of video this is.
Template-based suggestions, not AI, and not real-time trend or volume data — SkedCast has no hashtag-volume API. Research each tag on the platform itself before you use it. Nothing you type here is uploaded or stored; suggestions are generated entirely in your browser.
On YouTube, a hashtag is a clickable link: tap it and you see other videos with the same tag. YouTube’s help centre sets these rules:
| Rule | What YouTube says |
|---|---|
| Where they go | The video title or description, on long videos and Shorts |
| Format | No spaces: join the words, as in #TwoWords |
| Shown by the title | Up to 3 from the description, the ones YouTube considers most engaging |
| How many | More than 60 and YouTube ignores every hashtag on the video |
| Over-tagging | Can remove the video from your uploads or from search |
| Not allowed | Hashtags unrelated to the video, and hashtags that harass, hate, are sexual or vulgar |

Three to five relevant ones. YouTube allows up to 60, but it shows only 3 by the title and warns that over-tagging can take a video out of search, so a short set does more: one broad tag for the topic, one or two niche tags for the exact subject, and your channel’s own tag. Put them at the end of the description, which holds up to 5,000 bytes (emoji and non-Latin letters take more than one); check the length with the YouTube character counter, and compare every network in the hashtag limits by platform.
The limits SkedCast’s composer checks for YouTube before a post goes out, read from the same rules table the composer uses.
| Text limit | 5,000 characters |
|---|---|
| How length is counted | As you see it: one emoji or accented letter counts as one character |
| Hashtags | Up to 60 per post; extras are flagged before publishing |
| Where the caption is cut off in the feed | About 157 characters before "…more", so lead with the point |
| Text-only posts | Not allowed: every post needs an image or video |
| Links in the text | No link-preview card |
| First comment | Supported: SkedCast can post a first comment right after publishing |
| Feed crop | 16:9 in the feed preview |
| Images | Not published by SkedCast to this platform |
YouTube shows about the first 157 characters before "…more", so 243 of the 400 are hidden until someone taps. Put the hook in those first 157.
That is 5 over the 60 SkedCast allows for YouTube, so the post is flagged before it publishes rather than going out with tags dropped.
For "vegan bakery" on YouTube, the generator returns 3 categories totaling 15 suggested tags. The "Broad" group alone returns 5: #veganbakery, #foodie, #foodstagram, #instafood.
For "fitness coach" on YouTube, the generator returns 3 categories totaling 15 suggested tags. The "Broad" group alone returns 5: #fitnesscoach, #fitness, #fitfam, #workout.
In SkedCast, upload the video, write the title and description with your hashtags, and pick the time; the composer counts the hashtags as you type and warns before you pass 60, when YouTube would ignore them all. Saved hashtag groups keep your regular sets one click away, and the same post can go to TikTok or Instagram with their own tags. See the YouTube scheduler, or generate tags for another network with the hashtag generator.
YouTube’s hashtag rules on this page come from its help centre:
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