Show HN: JSON Bonsai – browser JSON viewer that stays smooth on 100k+ nodes

Category: devtools

Tags: json-viewer, browser-extension, performance

Score: 7.3/10 (Innovation: 6, Technical: 8, Documentation: 8, Utility: 7)

JSON Bonsai is a browser extension for viewing large JSON payloads (100k+ nodes) with virtualized rendering, multiple view modes (tree, table, schema, raw), JMESPath query support, and lossless big number handling. Its combination of performance, extensible theming, and practical features like query scoping and per-site memory makes it a standout tool for developers dealing with complex API responses.

Target audience: backend devs, frontend devs

Repository: https://github.com/pedrosousa13/JSON-Bonsai · TypeScript · MIT · 1 stars

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