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What is the maximum image file size on X?
X's API documentation lists 5 MB as the image file size limit. Verified 2026-10-16 from the official X page.
| Spec | Value | Source | Last verified |
|---|---|---|---|
| Image file size limit (via X API docs) | 5 MB X lists this as the typical maximum for the tweet_image media category. | official page | Verified |
Resize an image with the image resizer
Quoted from X's official page and dated; we don't use third-party guides. How we verify.