Social media image size guide (2026)
Social networks and messengers recompress images that don’t match their recommended resolutions. Resizing before you upload helps avoid blurriness and compression artifacts.
| Platform | Content type | Recommended size | Aspect ratio |
|---|---|---|---|
| Telegram | Channel / profile photo | 512 × 512 px | 1:1 |
| YouTube | Video thumbnail | 1280 × 720 / 1920 × 1080 px | 16:9 |
| TikTok / Reels / Shorts | Vertical video / cover | 1080 × 1920 px | 9:16 |
| Portrait feed post | 1080 × 1350 px | 4:5 | |
| X (Twitter) | Profile header | 1500 × 500 px | 3:1 |