iTool

Utility

Free utilities — stamp maker, QR, calendar and more.

Recommended

Calendar Print

Free online printable calendar — generate a clean monthly calendar sized perfectly for A4 paper. No install, no signup.

Stamp to PNG — Extract a Real Stamp from a Photo (Transparent)

Photograph a real stamp or seal on white paper and turn it into a transparent PNG. Removes the paper background, auto-crops, free. Runs in your browser — nothing is uploaded.

Habit Tracker

Free online habit tracker — print a daily habit checklist to build better routines. No install, no signup needed.
Popular tools
Character Counter Merge PDF Compress PDF PDF to JPG Compress Image Image to JPG
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Downloads are blocked in in-app browsers

In-app screens (Naver, KakaoTalk, etc.) block file saving. Open in Safari to download normally.

1 Tap the ⋯ / Share button at the bottom or top of the screen
2 Choose 'Open in Safari' or 'Open in browser'

Or copy the link and paste it into Safari