The exact spec WhatsApp enforces — miss any of it and the sticker is rejected or sent as a photo.
| Property | Requirement |
|---|---|
| Dimensions | 512 × 512 px, exactly |
| Format | WebP (PNG/JPG must be converted) |
| Background | Transparent |
| Static file size | ≤ 100 KB |
| Animated file size | ≤ 500 KB, ≤ 10 s, first frame meaningful |
| Outline (recommended) | 8 px white stroke around the subject |
| Tray icon (packs) | 96 × 96 px PNG, ≤ 50 KB |
| Stickers per pack | 3 – 30, never mixing static + animated |
The free Wapeel sticker maker outputs a compliant sticker automatically: exact 512×512 WebP, transparency preserved, compressed under 100 KB, optional 8 px outline. Runs in your browser — images never leave your device.
Make a compliant sticker ✦