Launching today
Flyfish File Viewer
Browser-native previews for Office, PDF, CAD and more
8 followers
Browser-native previews for Office, PDF, CAD and more
8 followers
Flyfish File Viewer is an Apache-2.0, browser-native, offline-first file preview toolkit for private and internal web apps. It maps 206 extensions across 24 pipelines—Office, PDF/OFD, CAD, archives, email, diagrams, 3D, media and data—without mandatory server-side conversion. Use modular components, presets or full packages across Vanilla JS/Web Components, React, Vue, Svelte and jQuery. Workers, WASM and assets can be self-hosted; read-only fidelity varies by format.
as someone who self-hosts a lot of internal tools, the offline-first approach is genuinely useful. one thing that would push this further for me is a built-in thumbnail caching layer so preview grids in file browsers stay snappy after the first load. the rest looks solid, nice work
Would love to see a side-by-side diff view for revisions of Office and PDF docs, since read-only previews are great but comparing two versions without exporting would make internal review workflows way smoother.
offline-first is huge for our internal tools, and the fact it just works in the browser without uploading to a server is exactly what we needed. tossed a random ofd file at it and it handled the format i half expected to fail.
Handy for our internal dashboard where we deal with weird legacy file types daily. The self-hosted WASM setup was straightforward, and previewing .ofd and .dwg directly in the browser without round-tripping through a server just works.