# X (Twitter) Video Size and Specs 2026

Every upload spec at a glance, with sources.

URL: https://shortformkit.com/x-video-size/
Updated: 2026-10-13

**X (Twitter) Video 2026: aspect ratio 16:9, 1:1, 9:16, 4:5, 2:3, 1.91:1, recommended 1920x1080 (16:9) or 1080x1920 (9:16), up to 140 seconds, files up to 512 MB, caption up to 280 characters.**

## All specs

| Aspect ratio | 16:9, 1:1, 9:16, 4:5, 2:3, 1.91:1 |
|---|---|
| Recommended resolution | 1920x1080 (16:9) or 1080x1920 (9:16) |
| Minimum resolution | 32x32 |
| Maximum length | 140 seconds |
| Minimum length | 0 seconds |
| Maximum file size | 512 MB |
| File types | MP4, MOV |
| Maximum frame rate | 60 fps |
| Caption limit | 280 characters |

Notes (from the sources, in English): Help Center: non-Premium uploads up to 140 s and 512 MB; Premium up to 4 hours (1080p under 2 h, 720p from 2 to 4 h) and 16 GB. Posts: 280 characters, Premium up to 25,000. Aspect ratios, recommended sizes, MP4/MOV and 60 fps come from X Ads creative specs. X API docs list different defaults (0.5 s to 20 min, 8 GB, 32x32 to 1280x1024, 1:3 to 3:1); the Help Center values are used here. Up to 4 media items per post.

In 9:16 the app covers parts of the top and bottom of your video. Check your frame with the [safe zone checker](https://shortformkit.com/safe-zone-checker/) or download the [safe zone templates](https://shortformkit.com/safe-zone-templates/) as PNG.

Work out bitrate and file size with the [file size calculator](https://shortformkit.com/video-file-size-calculator/). Check caption length with the [character counter](https://shortformkit.com/character-counter/).

## Changes in 2025 and 2026

- No dated 2025/2026 spec change confirmed. Current Help Center: Premium uploads up to 4 hours / 16 GB, non-Premium 140 s / 512 MB.

## Sources

- [How to share and watch videos on X (X Help Center)](https://help.x.com/en/using-x/x-videos) (official)
- [How to Post (X Help Center)](https://help.x.com/en/using-x/how-to-post) (official)
- [About X Premium (X Help Center)](https://help.x.com/en/using-x/x-premium) (official)
- [X Ads creative specs (X Business)](https://business.x.com/en/help/campaign-setup/creative-ad-specifications) (official)
- [Media best practices (X API docs)](https://docs.x.com/x-api/media/quickstart/best-practices) (official)

Checked: 2026-10-13. Confidence: mixed. [All platforms in one table: social media video specs 2026](https://shortformkit.com/social-media-video-specs-2026/)

## Other X (Twitter) formats

- [X (Twitter) Image](https://shortformkit.com/x-image-size/)

## FAQ

**What size is a X (Twitter) Video?**
The recommended size is 1920x1080 (16:9) or 1080x1920 (9:16) with an aspect ratio of 16:9, 1:1, 9:16, 4:5, 2:3, 1.91:1.

**How long can a X (Twitter) Video be?**
Up to 140 seconds.

**What is the maximum file size for a X (Twitter) Video?**
Up to 512 MB.

**How long can the caption of a X (Twitter) Video be?**
Up to 280 characters.


Source: Shortform Kit (https://shortformkit.com/x-video-size/). Free, no login.