Free Tool
Custom emoji for Discord, Slack, and Telegram — from any photo
AI removes the background, you control the crop and corner radius. Download all sizes as ZIP.
The problem
Making custom emoji requires Photoshop, a transparent background, and then manually exporting at 32, 64, 128, and 512 pixels. Most people give up after the first size.
The NSS solution
NSS Emoji Creator handles everything: AI background removal, square crop, corner radius control, live preview at all four sizes, and ZIP download. No design skills required.
How to use it
- 1
Discord server emoji
Turn any meme, pet photo, or reaction face into a custom Discord emoji at the required 128×128px size — with optional rounded corners to match Discord's aesthetic.
- 2
Slack workspace emoji
Create branded or fun custom emoji for your Slack workspace. Download the 128×128 PNG and upload via Workspace Settings → Customize → Emoji.
- 3
Telegram sticker packs
Telegram requires 512×512 PNG stickers. The Emoji Creator exports at this size — just upload to the @Stickers bot to create your pack.
- 4
Notion custom emoji
Notion accepts any PNG for page icons and emoji. Export from NSS and upload to any Notion page as a custom icon.
Step-by-step guide
- 1
Pick your source photo
Selfies, pet photos, product shots, and logos all work. Clear subject against a plain background gives the cleanest result.
- 2
Drop into Emoji Creator
Go to /emoji-creator and drop your image. The AI removes the background automatically — usually in under 10 seconds.
- 3
Adjust padding and corner radius
Use the sliders to control how much space surrounds the subject and how rounded the corners are. Preview updates live at 32, 64, 128, and 512px.
- 4
Download ZIP
Click "Download all sizes (ZIP)" to get all four PNG sizes ready for every platform.
Common questions
What size does Discord require?
128×128 px PNG or GIF, under 256KB. The ZIP download includes this size.
What size does Slack require?
128×128 px PNG, under 128KB.
What size does Telegram require?
512×512 px PNG, under 512KB.
Is this free?
Yes. NSS Emoji Creator is completely free with no account and no usage limits.
Ready to try it?
No account. No subscription. No images uploaded to any server.
Remove a background free →