Discord Sticker Studio
Exact 320×320 px enforcement • 512 KiB binary ceiling • 160×160 desktop chat preview
Select artwork for Discord Sticker
PNG, WebP, or APNG (Auto-rescaled to exact 320x320)
Desktop Chat Preview (160px)
Validation Receipt
Awaiting MediaMastering exact sticker specifications.
Discord stickers differ fundamentally from custom emojis. They require exact 320x320 square geometry, double the byte allocation (512 KiB), and ban legacy GIFs in favor of high-fidelity APNG animation.
Zero Tolerance for Non-Square or Arbitrary Aspect Ratios
Unlike Discord custom emojis—which allow creators to upload non-square rectangular graphics and let client apps letterbox them within a 128px bounding box—Discord custom stickers enforce an uncompromising exactitude rule. The file dimensions must measure exactly 320 pixels wide by 320 pixels high. An asset measuring 320x318 or 640x640 will be rejected by Discord's server verification API.
In desktop chat channels, Discord renders stickers at 160x160 CSS pixels (a precise 2:1 integer downsampling factor). On mobile clients and tablets, stickers scale up to 180px or down to 120px depending on viewport width. Discord Asset Studio isolates your uploaded artwork, centers its focal weight, and pads transparent margins to guarantee exact 320x320 output.
The APNG Mandate: Why Legacy GIFs Are Prohibited
Creators frequently attempt to upload animated GIF files as server stickers, only to encounter immediate rejection. Discord explicitly prohibited GIF for stickers to avoid the format's severe technical limitations: 1-bit binary transparency (which causes jagged pixelated edges) and a 256-color indexed palette limit that crushes gradients and photographic shading.
Instead, Discord animated stickers must be encoded as APNG (Animated Portable Network Graphics) or Lottie. APNG retains the complete 32-bit RGBA color space with 8-bit alpha blending across all animation frames. Furthermore, animations must strictly adhere to a maximum duration of 5 seconds (5,000 ms) and a framerate capped at 60 FPS.
The 512 KiB Binary Ceiling & Deflate Compression
While stickers enjoy double the memory allowance of custom emojis (512 KiB compared to 256 KiB), packing 320x320 pixels of high-density graphics—especially multi-frame animated sequences—often tests this boundary. Under IEC standards, 512 KiB equals exactly 524,288 bytes.
Discord Asset Studio integrates advanced in-browser Deflate compression and canvas pixel quantization. Our engine strips superfluous metadata chunks (such as EXIF camera data, color profile ICC blobs, and editing history tags) that graphic design applications invisibly embed, shaving up to 45% off raw file size with zero perceptible loss in visual fidelity.
Die-Cut Contours & Cross-Theme Contrast Protection
Stickers stand apart from inline text as standalone conversational elements. Official Discord stickers and premier creator packs universally adopt a white or light-toned "die-cut" sticker border (typically 4 to 8 pixels wide) with a subtle semi-transparent drop shadow.
This physical vinyl aesthetic serves a vital technical purpose: it isolates the sticker artwork from the surrounding chat background. Whether a user is browsing your server on pure white Light Theme, midnight dark, or custom Nitro gradients, the die-cut outline ensures that dark silhouettes and neon accents never disappear into the chat interface.
Frequently Asked Questions
What are the exact dimensions required for Discord custom stickers?
Discord strictly enforces an exact dimension of 320x320 pixels for all custom stickers. Unlike emojis which can be uploaded up to 128x128 and automatically downscaled, a sticker that measures 319x320 or 320x321 will be rejected by Discord's upload gateway. Discord Asset Studio automatically scales and centers your artwork within a pixel-perfect 320x320 canvas.
What is the maximum file size for Discord server stickers?
Custom stickers have a binary ceiling of 512 KiB (524,288 bytes). If an exported sticker exceeds this byte boundary by even one byte, Discord will reject the upload. Our local studio measures exact Blob byte counts to ensure compliance before you export.
Can I use standard GIF animations for Discord stickers?
No. Discord custom stickers do not support the legacy GIF format. Animated stickers must be encoded as APNG (Animated Portable Network Graphics) or Lottie (JSON). APNG offers superior 8-bit alpha transparency and 24-bit RGB color depth without the pixelated fringe artifacts typical of 256-color GIFs.
What are the frame rate and duration limits for animated Discord stickers?
Animated APNG stickers must have a maximum duration of 5 seconds (5,000 milliseconds) and a frame rate of 60 frames per second or lower. Discord client apps will refuse to animate or play files that exceed either of these operational thresholds.