Drop any image or GIF — get a 128×128 emoji under Discord's 256KB cap and a 320×320 sticker in the same pass. Free, batch friendly, and your art never leaves the browser.
Drop your emoji here
PNG · JPEG · WebP · GIF — or paste from clipboard
Discord recommends uploading emoji at 128×128 with a 256KB file cap. In chat they render small, so bold shapes and clean outlines win — check the preview above at a squint before uploading. Slack uses the same 128px box on a tighter 128KB budget, so a Discord-ready file may need trimming first — see the Slack emoji spec. This 128px figure is an emoji rule only; it gets misquoted constantly as the avatar size, which Discord never publishes — see Discord PFP size.
Stickers are bigger: 320×320 with a 512KB cap. Static stickers are PNG; animated stickers use APNG — export the static frame here, and keep your source file if you plan to animate it later.
Drop a GIF and every frame is resized to 128×128 with the original timing, re-encoded and size-checked against the 256KB cap. Nitro users can use animated emoji in any server that has slots free.
The same art usually works on both platforms — toggle the Twitch preset too and get the 112/56/28 ladder in the same download. The main emote resizer handles the full multi-platform pass.
Almost always file size — the cap is 256KB per emoji. The size badge above turns red when an export exceeds a platform cap, so you know before Discord tells you.
Yes — drop the original art (ideally the largest version you have) and export the 128×128 Discord preset. Upscaling a 28×28 Twitch export will look blurry; always start from the biggest source.
Working across platforms? The hub compares all seven specs side by side and resizes them from a single upload.
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<a href="https://emoteresize.com/discord-emote-resizer/">Discord Emote Resizer</a> — free online tool