App Screenshot Studio - ASO Mockup Generator

Create, auto-translate with AI & batch-export localized Google Play & App Store screenshots with modern 3D smartphone mockups.

🚀 Turn your raw app screenshots into high-converting, multilingual Google Play & App Store promotional assets in minutes. Stop spending days in Figma or Photoshop manually translating text, adjusting layers, and aligning frames for 20+ countries. App Screenshot Studio is a complete, 100% client-side design and localization studio built right into your browser. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✨ KEY CAPABILITIES & FEATURES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📱 Pixel-Perfect 3D Smartphone Mockups • Modern flagship frames: Android Flagship & iPhone Pro styles • Realistic camera punch-hole with live size & position adjustment • Dynamic 3D perspective rotation, tilt, and photorealistic drop shadows • Screen reflection glares and corner radius customization 🌐 1-Click AI Translation (Powered by Google Gemini) • Connect your free Google Gemini API key (BYOK) in seconds • 1-Click translate marketing taglines, headlines, and descriptions across 50+ languages (Spanish, German, Japanese, Hindi, French, Arabic, Chinese, Portuguese, and more) • Tone-aware and concise translation tailored for mobile app store listings • Native Right-to-Left (RTL) text mirroring for Arabic, Hebrew, and Persian 📊 Dual Review Workflows: Horizontal Preview & Spreadsheet Matrix • Multi-Lang Horizontal Review: Inspect all localized screenshot cards side-by-side with live zoom and direct text editing • Spreadsheet Matrix View: Bulk-edit translations in a spreadsheet grid with individual "Translate Row" and "Translate Cell" AI triggers • Missing Translation Badges: Instantly spot unlocalized strings with one-click quick fix buttons 📐 Store-Compliant Dimensions & Presets • Google Play Store Phone (1080 × 2400 / 1080 × 1920) • Apple iPhone 6.9" & 6.7" Displays (1320 × 2868 / 1290 × 2796) • Apple iPhone 6.5" & 5.5" Displays • High-DPI canvas preview with smart Auto-Fit zoom 🎨 Studio-Grade Styling & Templates • Designer background presets: Modern gradients, sleek dark themes, and clean minimalist solids • Multi-layer typography controls (Tagline, Headline, Description) with Google Fonts & live color pickers • Per-slide style overrides or master global templates 📦 1-Click Batch Export (ZIP) • Export high-resolution PNGs organized cleanly into locale folders (/en/, /es/, /de/, /ja/, etc.) • 100% compliant and ready for instant upload to Google Play Console and App Store Connect ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔒 100% PRIVATE & CLIENT-SIDE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Zero Middleman Servers: Your screenshots and text never leave your machine. All image rendering is done in browser memory. • Direct Google Connection: AI translation requests communicate directly via HTTPS with Google's official Gemini API using your key. • No Tracking & No Ads: No analytics, cookies, or tracking scripts. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🛠️ HOW TO USE IN 3 EASY STEPS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Upload your app screenshot or pick a template slide. 2. Enter your English marketing headline and click "Auto-Translate" to localize into 20+ languages. 3. Click "Export ZIP" to download your ready-to-publish store screenshot assets!