Video Thumbnail Guide
| Platform | Size (px) | Ratio | Max File Size | Format |
|---|---|---|---|---|
| YouTube | 1280 × 720 | 16:9 | 2 MB | JPG, PNG, GIF, BMP |
| YouTube (recommended) | 1920 × 1080 | 16:9 | 2 MB | JPG, PNG |
| Twitch (offline banner) | 1920 × 1080 | 16:9 | 10 MB | PNG, JPG, GIF |
| Twitch (video thumbnail) | 1280 × 720 | 16:9 | 1 MB | JPG, PNG |
| TikTok (cover) | 1080 × 1920 | 9:16 | — | JPG, PNG |
| Vimeo | 1280 × 720 | 16:9 | 5 MB | JPG, PNG |
| Facebook Video | 1280 × 720 | 16:9 | — | JPG, PNG |
| Instagram Video | 1080 × 1080 | 1:1 | — | JPG |
| Bilibili (封面) | 1146 × 717 | 16:9 | 3 MB | JPG, PNG |