Show HN: JustOpenFile – Preview files locally in the browser without uploading
Hi HN,I built JustOpenFile, a browser-based file viewer that processes files locally without uploading them to a server. It supports PDF, DOCX, Excel, CSV, JSON, Markdown, EPUB, ZIP, SQLite, images, audio, video, fonts, and 3D formats such as STL, GLB, and OBJ. ZIP archives can also preview supported files inside them. The project was motivated by a simple problem: opening an...