Screenshot Studio turns plain app screenshots into polished 3D-angled mockups — right in your browser, no uploads, no signup, no cost. 100% client-side: screenshots never touch a server, so it is genuinely private and free to run forever. Features: ✓ Drag & drop or paste (Ctrl+V) any screenshot ✓ Real-time 3D tilt and shadow controls ✓ 6 preset background styles ✓ Instant high-res PNG export Built for developers and creators who want screenshots that stand out.