Show HN: Toolbit – 43 local-first developer utilities in one place

Category: devtools

Tags: local-first, developer-tools, pwa, typescript, privacy

Score: 5.3/10 (Innovation: 4, Technical: 5, Documentation: 7, Utility: 5)

Toolbit is a local-first web workbench that bundles 43 developer utilities (JSON/YAML formatting, JWT decoding, regex testing, diffs, hashes, and more) into a single browser tab with a command palette and workspace-style tabs. All transforms run client-side via Web Workers, with no backend, no tracking, and optional PWA/desktop installs for offline use.

Target audience: backend devs, frontend devs, devops, security engineers

Repository: https://toolbit.app/ · TypeScript · Apache-2.0 · 2 stars

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