How to Add Custom Stickers to Signal

Short answer: Signal sticker packs are uploaded from a linked computer. Open Signal Desktop, choose File → Create/Upload Sticker Pack, drag in all nine Sticker3x3 PNGs, assign emoji, set a title, author and cover, then upload and share the link.

Before you start

Create and unlock your pack on Sticker3x3, then download the sticker PNGs. The steps below cover how to get those files into Signal.

Step-by-step

1. Install and link Signal Desktop.
2. Open Signal Desktop.
3. Select File → Create/Upload Sticker Pack.
4. Drag all nine Sticker3x3 PNGs into the window.
5. Assign one emoji to each sticker.
6. Enter a pack title and author.
7. Select a cover sticker.
8. Upload the pack.
9. Install it and copy the sharing link.

Good to know

• Signal requires 512×512 PNG or WebP files, each no larger than 300 KB.
• Uploaded packs cannot be edited, so check every sticker before you upload.

FAQ

Can I upload a Signal sticker pack from my phone alone? No. Signal requires a linked computer and Signal Desktop for Create/Upload Sticker Pack.

What file size does Signal allow? Each sticker should be a 512×512 PNG or WebP and no larger than 300 KB.