- URL field in the Links editor: no documented hard cap, but practical limit is ~2048 characters (browser URL standard). URLs longer than ~80 characters are likely to be flagged or display awkwardly.
- Title field (link label): up to 30 characters.
- Bio body (the text above the link): 150 characters.
- Username: 30 characters max.
- Display name: 30 characters max.
Field-by-Field Reference
| Field | Limit | Notes |
|---|---|---|
| Bio URL (link) | ~2048 chars (URL spec) | No hard cap from Instagram, but very long URLs may be flagged |
| Bio link title | 30 characters | Shows when you have multiple links |
| Bio text body | 150 characters | The descriptive text under your name |
| Username | 30 characters | Letters, numbers, underscores, periods |
| Display name | 30 characters | Counts emoji as multiple characters |
| Story link sticker URL | ~2048 chars | Same browser URL standard |
| Story sticker text label | ~30 characters | Customisable, displays on the sticker |
Why Long URLs Can Cause Issues
- Display truncation. Instagram truncates URLs longer than ~50-60 characters in display, but full URL stays clickable.
- Spam flagging. URLs with many query parameters trip Instagram's spam detection. Common offender: full UTM-laden URLs.
- Aesthetic. Long URLs look unprofessional in a bio.
Best practice: Keep your bio URL under ~50 characters. Use a shortener or bio link tool.
Maximising the 30-Character Title
The link title field shows when you have multiple links. With 30 characters, prioritise:
- Verb-led action ("Shop now", "Listen", "Read article").
- Concrete benefit ("Free 7-day course", "20% off").
- Avoid "Click here" ??” uses 11 chars saying nothing.
Examples:
- "Latest podcast episode" (22 chars) ??…
- "Get my book ??” free chapter" (26 chars) ??…
- "Click here to see my new website" (32 chars) ??? over limit
Bio Body 150-Character Strategy
Your bio body has 150 characters. Use them efficiently:
- Lead with what you do (8-10 words).
- One concrete proof point or call-to-action.
- Direct readers to your link ("link below" / "?†’").
Example (148 chars): "Designer + dev. Sharing 1 actionable tip per week on building products fast. 12k+ subscribers. Latest essay + tools below ?†“"
Counting Characters Including Emoji
Instagram counts each emoji as 2-4 characters depending on the emoji's Unicode complexity. Compound emoji (skin tone modifiers, family groups) count more.
If you're at the 150-character bio limit and want to add an emoji, you may need to delete 2-4 letters first.
Multiple Links: Total Character Budget
You can add up to 5 links. Each has 30-character title + URL. The total is generous; the bottleneck is fitting useful info in 30 chars per title.
FAQ
What is Instagram bio link character limit?
URL field: ~2048 chars (URL spec). Title (label): 30 chars. Bio body text: 150 chars.
Why is my bio link being cut off?
Display truncation only ??” the full URL is still clickable. Use a shortener for cleaner display.
How long can my Instagram bio be?
150 characters for bio body text.
Does the link counted in 150-character bio limit?
No ??” Links field is separate from bio body. Bio body is 150 chars exclusive of links.
Can I add a really long URL with many UTM parameters?
Technically yes, but it may be flagged or look bad. Better to use a shortener and keep UTMs tracked at the destination side.
- Bio body: 150 chars. Link title: 30 chars. URL: ~2048 chars technical, but stay under 50 for cleaner display.
- Long URLs with many UTM params can trip Instagram's spam filter ??” shorten first.
- Use the 30-char title for action-led microcopy ("Shop now", "Listen", "Free chapter").
Branded short bio link
UniLink gives you a clean 15-character URL (unil.ink/yourname) plus 30-char titled buttons ??” looks tidy, tracks clicks.
Try UniLink free ?†’