Mobile & App Development
Generate Xcode/Android icon suites, design App Store screenshot mockups, convert strings.xml, calculate DPI, and test deep links. All tools operate entirely in your web browser with zero server roundtrips, offline caching, and strict data privacy.
Available Utilities in this Category
Showing all 5 utilitiesiOS & Android Native App Icon Suite Studio (Xcode & Android Studio ZIP)
Generate complete Xcode AppIcon.appiconset with Contents.json and Android mipmap adaptive icon suites from a single 1024x1024 master image.
App Store & Google Play Screenshot Studio (Device Mockups)
Wrap app screenshots inside iPhone 16 Pro and Pixel 9 device frames with customizable gradient backdrops, headlines, and export store-ready PNGs.
Android strings.xml, iOS Localizable.strings & Flutter ARB Converter
Bi-directional localization converter between Android strings.xml, iOS Localizable.strings, Flutter ARB, and JSON with format specifier validation.
DP, SP, PT, PX & Mobile Screen Density Matrix Calculator
Real-time DP, SP, PT, and PX screen density matrix converter across iOS (@1x, @2x, @3x) and Android (mdpi to xxxhdpi) resolutions.
Deep Link, Apple Universal Links (AASA) & Android AssetLinks Studio
Generate and test custom URL schemes, Apple App Site Association (apple-app-site-association) and Android assetlinks.json files.
Air-Gapped Privacy & Zero-Latency Developer Utilities
Every cryptographic algorithm, schema transformer, color space converter, and binary extractor runs entirely in your browser RAM. Your tokens, API secrets, and source code are never sent to external servers.
Explore Other Categories
Developer & Data Utilities
Format, validate, encode, decode, and transform developer data formats with zero server latency.
CSS & UI Design Tools
Generate high-performance CSS styles, smooth box shadows, modern glassmorphism, and accessible palettes.
Webmaster, SEO & Text Tools
Optimize metadata for search rankings, compose Markdown in real-time, generate sitemaps, and inspect text.
AI & LLM Engineering
Professional browser-native utilities for prompt engineering, token counting, structured outputs, and RAG vector chunking.