# Bluesky image sizes and character limits

> Every Bluesky size and limit in one table, verified 2026-11-01.

Canonical: https://scheduleforyou.com/specs/bluesky
Last updated: 2026-11-01

| Spec | Value |
| --- | --- |
| [Bluesky character limit](https://scheduleforyou.com/specs/bluesky/post-character-limit) | 300 characters |
| [Bluesky image size](https://scheduleforyou.com/specs/bluesky/image-size) | 1600 × 900 px |
| [Bluesky banner size](https://scheduleforyou.com/specs/bluesky/banner-size) | 3000 × 1000 px |

## Related

- [All platforms](https://scheduleforyou.com/specs)