Tools
Small utility tools and calculators I've built for myself — shared here in case they're useful to you too.
For developers
Utilities I reach for while shipping mobile apps. No signup, no uploads — everything runs in your browser.
- New
Device Frame Mockup Generator
Wrap an app screenshot in a clean iPhone, Pixel, or iPad frame and export a transparent, solid, or gradient PNG at up to 3×. For App Store galleries, READMEs, and social posts.
iOSAndroidMockupsOpen tool → - New
App Icon & Screenshot Generator
Turn one source image into every app icon and App Store / Play Store screenshot size for iOS and Android — including a valid Contents.json and adaptive icon config. Runs entirely in your browser.
iOSAndroidReact NativeOpen tool → - New
Deep Link & Universal Link Tester
Build and validate custom URL schemes, check a domain's apple-app-site-association and assetlinks.json, and test which path pattern a URL actually matches.
iOSAndroidDeep LinkingOpen tool →
For Bangladesh
Everyday calculators built around local rates and rules.