Create perfectly sized avatar images for Discord, Slack, GitHub, Reddit, forums, and any platform. Most use square format — this tool resizes to the exact dimensions each platform needs.
Each platform has different avatar size requirements. Discord uses 128×128px, GitHub uses 460×460px, Slack uses 512×512px. One size does not fit all.
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Dimensions pre-set to 512×512px. Upload your image and resize instantly.
Resize Image to 512×512px Now100% browser-based • No upload to server • No sign-up required
How to Resize Image for Avatar — All Platforms
- Upload your avatar image
- Choose your platform or set custom square dimensions
- Click Resize to process
- Download and set as your profile picture
Pro Tips
- Discord: 128×128px (minimum), recommended 512×512px
- GitHub: 460×460px
- Slack: 512×512px
- Reddit: 256×256px
- Steam: 184×184px
- All display as circles — keep content centered
Frequently Asked Questions
What size avatar for Discord?
Minimum 128×128px, recommended 512×512px. Discord displays avatars as circles. Animated GIFs work for Nitro users.
What size for GitHub profile picture?
GitHub recommends 460×460px. It displays as a circle in most places on the platform.
Should avatars be square?
Yes, always upload square images for avatars. Platforms crop them to circles or rounded squares, so non-square images will be awkwardly cropped.
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