Free Automatic Signal Sticker Resizer
Create one 512 × 512 Signal sticker as PNG, WebP, or animated APNG.
1 · Source
Choose one image
Drop your image here
PNG, JPG, GIF, WebP, or APNG · up to 25 MB
Browse image2 · Output
Automatic compliance
We keep reducing colors, quality, frames, and—only when allowed—pixel dimensions until the downloaded file passes.
Signal rules
- 512 × 512 px
- PNG or WebP when static; APNG when animated
- Maximum 300 KB and 3 seconds
- This tool prepares one sticker; it does not build a pack
One file at a time. This resizer prepares an upload-ready image. It does not create packs, native apps, tray icons, cover images, or upload to Signal.