Sticker specs
Signal sticker specs & size limits
Updated September 2026
Signal packs can only be created on a desktop — we hand the files across for you.
Needs a computerHeads up: a Signal pack can only be finished on a computer. We prepare everything and hand it across with a pickup code.
The hard limits
These four columns — size, file weight, animation length and format — are the ones that actually get a pack rejected. Everything here matches what the app enforces.
| Requirement | Signal |
|---|---|
| Size | 512 × 512 |
| Static max | 300 KB |
| Animated max | 300 KB |
| Animation length | ≤ 3 s |
| Static format | PNG / WebP |
| Animated format | APNG |
| Per pack | ≤ 200 |
| Also required | One emoji each; needs a title + author |
What trips people up
- A Signal pack cannot be edited or deleted once uploaded — and it can only be created on a computer.
- The official flow is Signal Desktop; create.signal.art is gone. It takes loose files, not a ZIP.
Make a Signal pack
The website flow ends with: Loose PNG files plus an emoji list, ready to assemble in Signal Desktop.