How to Submit LINE Stickers
Once you've downloaded the ZIP from Stampo, follow these steps to apply on LINE
Before You Start
- You have downloaded the ZIP from Stampo
- LINE Creators Market account registration is complete (free)
- AI-generated stickers require checking the “Uses AI” box during submission
Method 1: LINE Sticker Maker App (Mobile · Recommended)
EasiestDownload "LINE Sticker Maker" from the App Store or Google Play. The quickest way to submit — everything done on your phone.
- Tap the ZIP button in the Stampo editor → download
- Extract the ZIP in the Files app → open the
stickersfolder - Select all files → Share → tap "Sticker Maker"
- Set the title and AI usage in the app, then submit
Method 2: Mobile Browser in Desktop Mode
Access LINE Creators Market from your mobile browser without the Sticker Maker app.
Switch your browser to desktop mode
Safari: long-press the address bar → "Request Desktop Website"
Chrome: tap the ⋮ menu → "Desktop site"
Log in to LINE Creators Market
creator.line.me Visit the site and log in with your LINE account.
Go to "Stickers" → "Add new" and upload your files
Extract the ZIP, then upload each PNG inside the stickers folder one by one — sticker images (01.png…), main.png, and tab.png.
Enter your title and description, then submit
Enter a title and description (Japanese & English). Check “Uses AI” and submit.
Method 3: PC Browser
Log in to LINE Creators Market
creator.line.me Visit the site and log in with your LINE account.
Go to "Stickers" → "Add new"
Set the title (Japanese & English) and the number of stickers you exported (8 / 16 / 24 / 32 / 40).
Upload your images
Upload the files from the extracted stickers folder — sticker images (01.png…), main.png (240×240 px), and tab.png (96×74 px) in the appropriate slots.
Enter your description and submit
Enter a description in Japanese and English. Check “Uses AI” and click Submit.
About the Review Process
- Review typically takes a few hours to about 2 days (may be longer during busy periods)
- Check your review status on the LINE Creators Market dashboard
- If rejected, you'll be notified with a reason and can revise and resubmit
- Once approved, you can sell for a fee or distribute for free (as a gift)
Tips for Passing Review
- Backgrounds must be fully transparent (Stampo handles this automatically in the ZIP)
- No third-party likenesses or copyrighted characters (anime, celebrities, etc.)
- No violent or sexual content
- Providing both a Japanese and English title/description is recommended
- Don't forget to check "Uses AI"