Check your caption against Instagram's 2,200-character limit and 125-character preview.
Instagram captions can run up to 2,200 characters, but the feed only shows the first ~125 before hiding the rest behind a “...more” link. The real skill is front-loading your hook so it lands before that cutoff. Paste your caption to track both limits live.
Below you'll find every Instagram character limit — caption, bio, username, comments and alt text — with examples of tightening a caption's opening line and answers to common questions.
| Field | Limit | Notes |
|---|---|---|
| Caption | 2,200 characters | — |
| Feed preview | ~125 characters | After this, captions collapse behind “...more”. |
| Hashtags | 30 hashtags max | Counted toward the 2,200-character caption limit. |
| Bio | 150 characters | — |
| Display name | 30 characters | — |
| Username | 30 characters | — |
| Comment | 2,200 characters | — |
| Image alt text | 100 characters | Custom alt text added when creating a post. |
Last verified: June 2026
Rewriting a caption's first line so the hook survives the 125-character feed cutoff.
So today I finally want to take a moment to sit down and share with all of you the full behind-the-scenes story of how this product actually came to be over the last two years...
Two years in the making — here's the real behind-the-scenes story of how we built this. 👇
Instagram captions can be up to 2,200 characters. However, only about the first 125 characters show in the feed before the caption is truncated with a “...more” link.
You can use up to 30 hashtags per post. They count toward the 2,200-character caption limit, so they reduce the space available for your actual copy.
Your Instagram bio can be up to 150 characters. Your username and display name can each be up to 30 characters.
In the feed, Instagram shows roughly the first 125 characters before collapsing the rest. Put your hook and any call-to-action before that point so it's visible without a tap.
Yes. Emoji count as characters, and many count as two, so a caption heavy with emoji reaches the 2,200-character limit sooner than plain text.
Yes, comments are limited to 2,200 characters, the same as captions.
See the full breakdown in our social media character limits guide.