# X image sizes and character limits

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

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

| Spec | Value |
| --- | --- |
| [X (Twitter) post character limit](https://scheduleforyou.com/specs/x/post-character-limit) | 280 characters |
| [X bio character limit](https://scheduleforyou.com/specs/x/bio-character-limit) | 160 characters |
| [X image size](https://scheduleforyou.com/specs/x/image-size) | 1600 × 900 px |
| [X header size](https://scheduleforyou.com/specs/x/header-size) | 1500 × 500 px |
| [X video size](https://scheduleforyou.com/specs/x/video-size) | 1280 × 720 px |

## Related

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