The character limit for a TikTok caption is 2,200 characters.
TikTok expanded its caption limit from 300 to 2,200 characters in 2022, giving creators significantly more room to add context, keywords, and calls to action alongside their videos.
Character limits on TikTok
| Content type | Limit |
|---|---|
| Video caption | 2,200 characters |
| Photo slideshow caption | 2,200 characters |
| Bio | 80 characters |
| Username | 24 characters |
| Comment | 150 characters |
| Hashtags | Counted within the 2,200-character caption limit |
Why longer captions matter on TikTok
TikTok’s search and discovery system is increasingly text-driven. Longer captions give the algorithm more context about your content, improving discoverability. Captions also appear when users search within TikTok, which has become a major search engine for younger demographics.
What shows in the feed
Only about 1-2 lines of your caption appear below the video in the feed. Users must tap to see the full caption. The video itself drives initial engagement — the caption supports discoverability.
Tips for TikTok captions
- Front-load keywords — the first line shows in the feed and is most important for search
- Use relevant hashtags — 3-5 targeted hashtags work better than 20 generic ones
- Include a CTA — “Follow for more” or “Comment your thoughts” drives interaction
- Add context — tell viewers what they are about to learn or see
- Keyword-rich descriptions — write naturally but include terms people might search for
Character limit in BulkPublish
BulkPublish enforces the 2,200-character limit for TikTok captions. The character counter tracks your usage as you compose.