Check your bio or caption against each platform's limit, count emoji the way the apps do, and keep your line breaks on Instagram. Free, no account.
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Each platform and field has its own limit: an Instagram bio is 150 characters, a TikTok bio 80, an X post 280.
The counter updates as you type and turns red when you go over. Emoji and flags count once, as they do in the apps.
Leave "Keep my line breaks" on so blank lines survive in Instagram, then copy the text and paste it into the app.
| Platform | Field | Limit |
|---|---|---|
| Bio | 150 | |
| Caption | 2,200 (about 125 show before "more") | |
| TikTok | Bio | 80 |
| X | Bio | 160 |
| X | Post | 280 |
| Headline | 220 (about 65 show before "more") | |
| About | 2,600 | |
| Post | 3,000 (about 210 show before "more") | |
| YouTube | Video description | 5,000 (about 150 show before "more") |
Platforms change their limits from time to time. If the app lets you type more, the app is right.
Instagram removes empty lines and the spaces at the end of a line, so a bio or caption laid out with gaps arrives as one block. This tool puts an invisible character on each empty line, which Instagram keeps, so your spacing stays as you wrote it. The invisible character counts towards the limit, and the counter includes it.
A bio has room for who you are and one link. A bio link page gives you the rest: a longer introduction, all your links, your products and a way to contact you, behind the one link in your bio.
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