Submit LINE Stickers via the Stamp Maker App
Full iPhone walkthrough with screenshots
Download the ZIP from Stampo
Tap the ZIP button in the top-right of the editor
Once you finish editing your stickers, tap the "ZIP" button in the top-right corner.

Choose the number of stickers and tap "Download ZIP"
Select 8 / 16 / 24 / 32 / 40 stickers, then tap "Download 40 stickers as ZIP".

Download complete → save to "Files"
A submission guide appears once the download finishes. When the save dialog pops up at the bottom, choose "Files" and tap "Save".


Extract the ZIP in the Files App
Tap "Open in App" or open the Downloads folder
When the "Download complete" banner appears at the bottom, tap "Open in App". Alternatively, choose "Open Downloads Folder" from the share sheet.


Tap the ZIP in Files to extract it
Tap the ZIP file to select it. After extraction, a "stickers" folder will appear next to it.


Select All Files and Send to Stamp Maker
Open the stickers folder and tap "…" → "Select"
Tap the stickers folder to open it. Tap the "…" button in the top-right, then choose "Select" from the menu.


Tap "Select All" → select all → Share button
In selection mode, tap "Select All" in the top-right to select every file. Then tap the Share button (square with arrow) at the bottom.

Choose "Stamp Maker" from the share sheet
When the share sheet opens, tap "Stamp Maker" in the app list. If it doesn't appear, scroll sideways to find it.

Submit in the Stamp Maker App
"Ready for sale!" → tap "Submit for Sale"
The app opens and shows "Nice collection! Ready to submit for sale." Enter a title and description (you can copy them from the Stampo editor), then tap "Submit for Sale".


Choose a main image and tap "Next"
Pick the main image that will be displayed in the shop. Choose the cutest or most eye-catching sticker, then tap "Next".

Fill in Sales Info — be sure to set "Uses AI"
Follow the prompts to choose a price (120 coins and up). Note that "Show in LINE STORE / Shop" is hidden by default — turn it on if you want your stickers listed in the shop.You must set "Uses AI" to "Yes".Submitting AI-generated images without this flag may result in rejection during review.

Review the preview and tap "Next"
Do a final check of how your stickers are arranged. If everything looks good, tap "Next".

Read the photo/video usage terms → tap "Request"
Terms regarding portrait rights and copyright will appear. Read them and tap the "Request" button.


Request sent! Now wait for the review
Once the "Request Complete" screen appears, your submission is done. You'll be notified of the review result by email or LINE. It typically takes a few days to about a week.

After the Review
- If approved, your stickers go on sale automatically (hidden in LINE STORE if you set it to private)
- If rejected, you'll receive a reason. You can revise and resubmit via LINE Creators Market (web)
- Once on sale, anyone can purchase your stickers in the LINE Sticker Shop