The Gifpresso blog

Smaller GIFs, fewer headaches

Size limits, how GIF compression works, and how to get your GIF to fit wherever it's going.

• How to compress a GIF for Discord (emoji, stickers and uploads)

  Discord's GIF limits for 2026: 256KB emoji, 512KB stickers, 20MB free uploads. How to shrink your GIF to fit without uploading it anywhere.

• How to make a GIF small enough for a Slack emoji (128 KB)

  Slack custom emoji must be under 128 KB, which is tight for an animated GIF. Here's how to shrink one to fit, step by step, without uploading it.

• How to use GIFs in email without breaking it

  Animated GIFs work in most email clients, but big files load slowly and Outlook shows only the first frame. Here's how to size and design email GIFs.

• Why are GIFs so big? (And how to make them smaller)

  GIFs store every frame as a full image with a 256-colour palette. Here's why that makes them huge, and which settings actually shrink them.

• How to compress a GIF without uploading it

  Most GIF compressors upload your file. Here's how in-browser compression works and how to check a tool really keeps files local.