Follow the steps below with the free Resize Image tool — it runs entirely in your browser, needs no upload, account or watermark, and finishes in about a minute.
Step by step
One face, one letter, one shape — detail disappears at sidebar size.
The resizer gives you exact pixels; keep the ratio locked.
JPEG only for photos; PNG keeps logo edges and transparency.
Server Settings → Overview → Icon (or User Settings → Avatar).
Pro tips & common mistakes
- Squint-test the design: if it blurs into a blob at arm’s length, simplify it.
- Use high-contrast colours — Discord’s dark UI eats dark icons.
- Animated icons need server boosts, but the frame size stays 512×512.
The exact requirement
Need the precise numbers? This task pairs with our full spec sheet: Discord Server Icon & Avatar Size.