api-debugging

JSON formatter • JSON prettifier • JSON beautifier desktop app. Format messy JSON files instantly. Free JSON viewer and organizer for Windows, macOS, Linux.

Local-first observability and API debugging for TypeScript. Live traces, contextual logs, schema-aware testing, and OTLP export for Elysia, Express, Fastify, Hono, and Next.js.

API request/response tracker & JWT decoder extension for Chrome in TypeScript/React. API logs → JWT payload & cURL conversion, MIT Licensed, fully open source. / Chrome用APIトラッカー＆JWTデコーダー拡張機能。MIT License、完全オープンソース。

An in-app network inspector for React Native & Expo — capture and debug fetch, axios and XMLHttpRequest traffic with zero native code. Inspect request/response headers, JSON bodies and timings from a draggable floating panel. TypeScript.

⛓ Preact local webhook inspection workbench with HMAC verification, JSONPath, replay, search, and cURL export.

A lightweight local route manager for frontend developers — bringing Nginx-level routing to your desktop. Intercept, mock, and rewrite HTTP/HTTPS/WebSocket traffic from any client with visual rules.

Chrome extension: TraceAPI is a browser extention for inspecting API requests, viewing JSON responses, generating go structs, and copying cURL or payloads without opening DevTools

VS Code extension to replay and compare HTTP API requests from raw text, curl, logs, HAR, and .indus.http files.

Single-page JSON:API document viewer — paste a payload, click through relationships via native URL anchors. Static, client-side, no backend.