X (Twitter) Video Size and Specs 2026
Every upload spec at a glance, with sources.
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 or download the safe zone templates as PNG.
Work out bitrate and file size with the file size calculator. Check caption length with the 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) (official)
- How to Post (X Help Center) (official)
- About X Premium (X Help Center) (official)
- X Ads creative specs (X Business) (official)
- Media best practices (X API docs) (official)
Checked: 2026-10-13. Confidence: mixed. All platforms in one table: social media video specs 2026
Other X (Twitter) formats
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.