Emote creation guide
A guide to custom sticker and emoji specs and workflow. Covers the size and file-size limits for Twitch, Discord, YouTube, Slack, Microsoft Teams and Misskey, the LINE sticker image spec and its review caveats, plus how to keep a sticker readable in chat.
How to use PochiSta — from idea to exported emote
Start here. The whole workflow to a finished emote.
ReadHow to make emotes that stay readable in chat
Character count, outlines and contrast — the practical points for an emote that survives 24px.
ReadTurning a photo into an emote that does not turn to mush
Photos carry too much detail to survive being shrunk. How to pick the threshold and tone levels for a monochrome conversion.
ReadTwitch emote sizes and how to prepare them
Why the three-size set is mandatory, and how to handle the animated emote size limit.
ReadWhat to do when a Discord emoji exceeds 256KB
Why you get a “file too large” error, and how to slim it down without losing quality.
ReadSlack custom emoji size and the 128KB limit
The 128KB cap is half of Discord's. How to fit it, and how to choose emoji names.
ReadMisskey custom emoji size and the 64KB limit
The cap is set per server. How to fit the 64KB default, and checking both themes.
ReadLINE sticker specs (370×320px with a 10px margin) and what the review checks for
Not square, and a margin is required. Why a sold, reviewed set changes the rules.
ReadYouTube membership emoji specs and caveats
Static 480×480px only. Note the difference from other platforms: no animation.
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