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Format guide · 2026
The complete X (Twitter) video format and upload specification guide for 2026.
| Quality | Dimensions | |
|---|---|---|
| Landscape | 1280×720 | Recommended |
| Square | 720×720 | |
| Vertical | 720×1280 |
| Recommended container | MP4 or MOV |
| Video codecs | H.264 (baseline or main profile) |
| Audio codecs | AAC |
| Aspect ratios | 16:9 (landscape), 1:1 (square), 9:16 (vertical) |
| Frame rates | Up to 40 fps |
| Minimum resolution | 32×32 |
| Recommended resolution | 1280×720 (16:9) or 720×720 (1:1) |
| Maximum file size | 512 MB (standard); 2 GB via Media Studio |
| Maximum duration | 2 min 20 sec (standard accounts); longer with X Premium or Media Studio |
Short clips (under 60 seconds) consistently outperform longer videos on X — use full length only for intentional long-form
The text hook in your post matters as much as the video itself — write a strong first line
512 MB is tight for high-quality video; export at lower bitrate or use Media Studio for larger files
X limits frame rate to 40 fps — export at 30 fps for reliable compatibility
What is the best video format for X (Twitter)?
MP4 with H.264 (baseline or main profile) codec is the recommended format for X. Resolution of 1280×720 for landscape or 720×720 for square. Keep frame rate at or below 40 fps, and stay under 512 MB file size for standard accounts.
What is the maximum video length on X?
Standard X accounts can upload videos up to 2 minutes 20 seconds. X Premium subscribers and verified organizations get longer limits. Media Studio (for X API users) supports longer uploads.
What is the maximum file size for X video uploads?
Standard accounts are limited to 512 MB. If your video exceeds this, lower the export bitrate in your editing software or use X Media Studio which allows up to 2 GB.
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