Show HN: Fbsviewer – FlatBuffers binary viewer. Pure Rust compiler in WASM

Re:Show HN: Fbsviewer – FlatBuffers binary viewer. Pure Rust... by thebuilderjr on Friday March 06, 2026 @12:19PM (#47278006)

Tried the Monster example and the way the schema, structure tree, and hex pane stay in sync makes FlatBuffers much easier to reason about than staring at raw bytes alone.

One feature request that would make this even more useful for debugging: a shareable permalink or export bundle for a specific schema + buffer pair. Being able to drop a URL into an issue or PR with the exact repro already loaded would make this great for chasing serialization regressions.

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Re:Show HN: Fbsviewer – FlatBuffers binary viewer. Pure Rust... by SuzyLi on Friday March 06, 2026 @01:56PM (#47279425)

Thanks for trying it out! Glad the synced views helped.

A shareable permalink is a great idea. Since the tool currently runs entirely client-side with no backend, the likely approach would be encoding the schema and binary directly into the URL (probably compressed + base64). I’ll experiment with this since it would make sharing repro cases in issues or PRs much easier.

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