Free tool
Social media image sizes
The current recommended image dimensions for every major network, on one page.
| Network | Placement | Size | Ratio |
|---|---|---|---|
| X (Twitter) | In-feed image | 1600×900 | 16:9 |
| X (Twitter) | Header | 1500×500 | 3:1 |
| Feed post | 1080×1350 | 4:5 | |
| Story / Reel | 1080×1920 | 9:16 | |
| Feed image | 1200×630 | 1.91:1 | |
| Feed image | 1200×627 | 1.91:1 | |
| TikTok | Video | 1080×1920 | 9:16 |
| YouTube | Thumbnail | 1280×720 | 16:9 |
| Pin | 1000×1500 | 2:3 | |
| Threads | Feed image | 1080×1350 | 4:5 |
| Bluesky | In-feed image | 1600×900 | 16:9 |
| Mastodon | In-feed image | 1280×720 | 16:9 |
| Discord | Embed image | 1200×630 | 1.91:1 |
| Dribbble | Shot | 2800×2100 | 4:3 |
Recommended upload sizes as of 2026 — platforms recompress, so upload at these or larger.
SawirPost's composer does this for you as you write — live per-network counters, automatic thread splitting, and per-channel media — then schedules the result across 14 networks.
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