X sizes & limits
Last verified 2026-10-16.
Image
| Spec | Value | Source | Last verified |
|---|---|---|---|
| Image file size limit | Not yet verified | — | Unverified |
Video
| Spec | Value | Source | Last verified |
|---|---|---|---|
| Video length limit | 140 s / 512 MB Non-subscribers: 140 s and 512 MB. Subscribers: under 4 h and 16 GB. | official page | Verified |
Text
| Spec | Value | Source | Last verified |
|---|---|---|---|
| Post character limit (standard) | 280 characters Non-subscribers: 280. Subscribers: 4,000 characters shown. | official page | Verified |
Check your copy with the character counter or resize images with the image resizer. All platforms.