How long can a TikTok bio be?

80 characters. The bio appears below your username on your profile and is indexed by TikTok search.

Do hashtags count in TikTok captions?

Yes. Hashtags, @mentions, emojis, and URLs all count character by character toward the 2,200-character cap.

What is the TikTok username character limit?

24 characters. Usernames can include lowercase letters, numbers, underscores, and periods only — no spaces, capitals, or emoji.

Can I edit a TikTok caption after posting?

No — captions are locked at the moment of publishing. Plan your character budget carefully before you tap 'Post.'

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TikTok Tool

TikTok Character Counter

TikTok raised the caption limit from 150 to 2,200 characters in 2022, making it competitive with Instagram for long-form storytelling. Bios stay tight at 80 characters and usernames at 24. The counter below tracks all four limits.

Counting against

0 / 2,200(2,200 left)

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TikTok Character Limits Cheatsheet

Field	Character limit	Notes
Caption	2,200	—
Bio	80	—
Username	24	—
Display name	30	—
Comment	150	—

Why does TikTok have this character limit?

TikTok's 150-character cap was historically a deliberate constraint that kept the platform tilted toward video-first storytelling. The 2022 jump to 2,200 was driven by creators using captions to deliver context, links, and even mini-essays. The functional limit remains tight, though — captions over a few sentences get truncated behind 'more' in the feed.

Tips for Writing Better TikTok Content

1Hook in the first 50 characters

TikTok feeds truncate captions early. Lead with the most surprising line — the rest of the 2,200 is bonus context for those who click.

2Bios are search-indexed

TikTok's discovery search indexes bio text. Pack your 80 characters with what you do, not your favorite emoji.

3Caption keywords help the For You algorithm

TikTok's recommendation engine reads caption text. Include the topic, the niche, and a verb-led hook.

4Use hashtags strategically

3–5 niche hashtags outperform 15 broad ones. Mix one big tag (#fyp) with niche-specific ones (#ManufacturingTok).

5Watch out for the username 24-character limit

Usernames must be 24 characters or fewer and can only contain letters, numbers, underscores, and periods. No emoji, no spaces.

Need More Than a Character Count?

Our main Character Counter shows word count, sentence count, reading time, and a full statistical breakdown of your text — alongside live character counts for every major platform.

📊Open Full Character Counter