Slack Emoji Maker
Mirrored from Simon Willison for archival readability. Support the source by reading on the original site.
31st July 2026
I wanted to create a new Slack emoji, and their tool recommends a square that's 128x128 and has a transparent background... so I had Fable build me this simple image editor against those requirements.
Posted 31st July 2026 at 8:18 pm
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