pentenrieder.dev

In-Browser Web Tools

A collection of fast, private, 100% client-side web utilities. Everything runs entirely in your local browser sandbox — zero servers, zero uploads, zero tracking.

100% Client-Side Privacy-First Zero Tracking Open Source
Media / Photography

Lumia Living Images

Convert legacy Windows Phone / Nokia Lumia "Living Images" (.jpg + .mp4.thm) into modern Google Pixel & Windows 11 Motion Photos (Android Motion Photo 1.0).

  • Dual-Resolution: Pairs both 5MP & PureView full-res
  • Preserves 100% original camera EXIF metadata
  • Folder-to-folder streaming via File System Access API
In Development

More Tools Coming

Additional in-browser developer and media utilities are currently in development. Have an idea for a tool that should run locally? Open an issue on GitHub.

  • Image & document manipulation
  • Zero-install, privacy-first architecture