Compress Image for Avatar

Forums, Discord, Slack, and other community platforms require avatars to be tiny and lightweight. Reduce your profile picture to 100×100 px and under 64 KB for instant upload and crisp display across all devices.

Avatar Size Limits & Specs

Platform	Typical Size Limit	Standard Dimensions	Recommended File Size
Discord	8 MB max	128×128 px min, 512×512 px recommended	50–150 KB
Slack	20 MB max	192×192 px recommended	100–200 KB
Reddit	4 MB max	256×256 px min	100–150 KB
Forum (typical phpBB, Discourse)	500 KB – 1 MB	100×100 px to 200×200 px	50–100 KB
Gravatar	10 MB max	80×80 px min, unlimited max	50–100 KB

Quick Example: Before & After

Before: Full portrait photo (2 MP, 1600×1200 px) = 800 KB
Action: Crop to face, resize to 100×100 px, reduce quality to 85%
After: 8 KB — ultra-light, instant upload
Result: Avatar displays immediately on forums, Discord, Slack

Step-by-Step Guide

Upload your photo. Drag and drop or click to select. Any photo works — headshot, full body, cartoon, etc. All processing happens in your browser.
Crop to face or focal point. Avatars are tiny, so only the center of the image will be visible. Most platforms will auto-crop at upload, but if the tool allows manual cropping, center your face or logo.
Resize to 100×100 pixels minimum (or 128×128 for Discord). At 100×100 px, even a simple shape or icon becomes visible. For 200×200 px avatars, more detail is preserved.
Reduce quality to 85%. At this small size, 85% quality is imperceptible from 100%. The file size drops from 50 KB to 8–12 KB.
Choose JPEG format. JPEG is perfect for small avatars. A 100×100 px JPEG at 85% quality is typically 5–10 KB. PNG will be 20–30 KB for the same dimensions.
Preview on a small screen. Zoom out on the preview or view on your phone to see how the avatar will actually appear to others.
Download. Click "Download" to save your avatar. The filename will be avatar.jpg or similar.
Upload to your profile. Go to your forum, Discord, Slack, or community settings and upload the compressed avatar. Most platforms accept it immediately.

Pro Tips

Keep it simple and recognizable. At 100×100 px, fine details disappear. A bold color, clear face, or distinctive logo compresses better and is more recognizable than busy textures or small text.
Avoid gradients and shadows. Gradients and shadows compress poorly at tiny sizes and can create blocky artifacts. Solid colors or high-contrast elements work best.
Batch compress avatars across communities. If updating avatars on Discord, Slack, Reddit, and forums, use Pro to compress all at once. Free tier caps at 5 images per batch.
Animated avatars (GIF) are larger. Some platforms allow GIF avatars. Animated GIFs are typically 200–500 KB. If the platform allows it but caps at 100 KB, stick with a static JPEG.

When to Use This Tool

Compress an avatar when:

Creating or updating a Discord, Slack, or community server profile
Joining a forum like Reddit, Discourse, or phpBB
Setting up a Gravatar for use across many websites
Updating your profile on a gaming, hobby, or professional community platform
Creating a consistent avatar across multiple social platforms

Sharing the photo? Strip its location and camera data too: Photo Scrubber