Slack Emoji Maker
Create Slack-ready custom emoji in your browser. FastEdit applies the Slack emoji preset, crops square, resizes to 128x128, and helps keep the export under 128KB without uploading your source image or animation.
Features
- Slack emoji preset with 128x128 square output.
- 128KB target workflow for small workspace emoji files.
- Static PNG and animated GIF workflows from images, GIFs, APNG, WebP, or short video.
- Local processing for private team jokes, internal logos, and unreleased assets.
How It Works
01
Open the Slack emoji maker
FastEdit opens with the Slack Emoji preset selected.
02
Drop your image or animation
Use a still image for static emoji or an animated file for GIF emoji.
03
Crop square
Keep the face, icon, or reaction readable inside the 128x128 frame.
04
Export under 128KB
Download the finished file and upload it as a Slack custom emoji.
Make the edit, check the result, keep the file on your device.
Open Slack Emoji Maker