Image → Discord · Slack custom emoji. 128×128 auto-compressed under 256KB.

How to use

  1. Upload an image (square works best).
  2. Pick platform (Discord 128 / Slack / Discord Server 256).
  3. Adjust fit, background, border, radius.
  4. Preview at real 22px chat size for readability.
  5. Download PNG and upload to server emoji.

Key features

  • Discord 128×128 / Server 256×256 / Slack 128×128
  • 3 fits (cover / contain / square crop)
  • Transparent / white / black / custom background
  • Border + radius for shape adjustment
  • 22px real-size preview
  • Auto compression under 256KB (Discord limit)

Use cases

  • Company Slack communities — logo / character emoji
  • Discord gaming servers — character emoji
  • Friend face emoji — meme fun
  • Brand campaigns — marketing emoji
  • Streamer channels — Twitch / YouTube

Emoji size guide

Standard Discord emoji: 128×128px, ≤256KB PNG/GIF. Chat shows at 22px — so simple, bold designs read best. Slack: same 128×128 recommended. Discord Server Boost Level 1+ allows 256×256 for more detail. All square, transparent PNG cleanest.

FAQ

GIF emoji?

PNG only here. GIF emoji need a separate tool.

22px too small to see.

That's emoji nature. Use bold outlines + strong contrast for readability.

Why under 256KB?

Discord policy. The tool auto-adjusts quality to fit.

Free?

Yes, no uploads.