VisualizerApp is a free browser-based document camera for teachers.
Turn any webcam or phone into a document camera for live teaching and share students work, with freeze, annotate, split view, timer, PDF export. No install, no brand lock-in, It works on Chromebook, iPad, Mac, and PC, with privacy-first local camera processing in the browser. Pro is available for heavier classroom workflows, including Presenter Mode, labelled student work layouts, and multi-page PDF export.
ImgTool is a privacy-first, browser-based music visualizer for musicians, producers, DJs, and creators. No account required. No audio upload needed. Your music stays on your computer. You can create 1080p visualizer videos in the browser for free, with an optional paid tier for 4K export. There is also a demo track so people can test performance before using their own files.
I ve been making AI music over the last few months and made my own music visualizer for YouTube / Shorts / previews without uploading my music to random sites or installing heavy software.