# TikTok Caption Character Limit: 4,000 Characters, Hashtags and Bio Limits

> TikTok's caption limit is 4,000 characters, up from 2,200. Where captions truncate, limits for bios, comments and usernames, and how to write captions that get read.

Canonical: https://scheduleforyou.com/blog/tiktok-caption-character-limit
Last updated: 2026-10-26

Category: TikTok. 

The TikTok caption character limit is **4,000 characters**, raised from 2,200 in 2023. Hashtags, mentions and emoji all count. Viewers see roughly the first line, around 60 to 80 characters, before **…more**, so the caption's job is done by its first few words.

Here are TikTok's other limits, where the cut falls, and how to write captions that work for search as well as the feed.

## TikTok limits at a glance

| What | Limit |
| --- | --- |
| Video caption | 4,000 characters |
| Photo post caption | 4,000 characters |
| Hashtags | No separate cap; they count toward the 4,000 |
| Comment | 150 characters |
| Bio | 80 characters |
| Username | 24 characters |
| Display name | 30 characters |
| Video title (for search) | Taken from the caption |

TikTok changes limits without much notice; the Creator Center is the final word.

## Why the limit went to 4,000

TikTok leans on captions for search. Longer captions give its search engine more to index, which is why TikTok itself suggests describing the video in plain words rather than stacking hashtags. A caption that says what the video shows, in a sentence or two, tends to be found more than one that's only tags.

## Where captions truncate

The feed shows about one line, then **…more**. Put the hook or the keyword first, then the detail. Line breaks are kept, so short paragraphs read better when expanded than a wall of text.

## Counting captions across platforms

If the same video goes to TikTok, Instagram Reels, YouTube Shorts and Facebook, the limits differ: Instagram allows 2,200 characters, YouTube's description 5,000 and a Shorts title 100, Facebook far more. One catch for scheduled posts: TikTok's API, which every scheduling tool uses, caps video captions at 2,200 characters, so the 4,000 limit only applies when you post in the app. Schedule For You shows a live count for each platform as you type (2,200 for TikTok) and lets you tailor the TikTok caption on its own, including the privacy setting per post. The [TikTok caption generator](https://scheduleforyou.com/tools/tiktok-caption-generator) gives starting points you edit yourself, and the [TikTok scheduler page](https://scheduleforyou.com/tiktok) lists what's supported, including photo posts with several images.

## Frequently asked questions

### What is the character limit for TikTok captions?
4,000 characters, including hashtags, mentions and emoji.

### How many hashtags can you use on TikTok?
There's no separate hashtag cap; they just count toward the 4,000 characters. Three to five relevant ones plus a plain-language description works better than a long tag list.

### What is the TikTok bio character limit?
80 characters.

### How many characters show on TikTok before "more"?
About one line, roughly 60 to 80 characters depending on the device.

## Related

- [All guides](https://scheduleforyou.com/blog)
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