Free tools for app publishers
Small utilities for the fiddly parts of getting an app onto the App Store and Google Play. Every one is free, needs no account, and runs entirely in your browser — nothing you upload ever leaves your device.
App Icon Generator
Upload one square image and download every icon size iOS, Android and PWAs require — with Contents.json, adaptive icons and the Play Store icon included.
App Store Screenshot Resizer
Drop your screenshots and get every required App Store and Play Store size, framed in a device and ready to upload.
Coming soonApp Development Cost Calculator
Estimate what your app really costs to build and publish, based on platform, features and how you build it.
Coming soonTurn your website into a real app
AppOfWeb converts your existing site into native Android and iOS apps with push notifications, offline handling and biometric login. One-time payment, no subscription, free demo first.
Get a free demo