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JSON formatter, validator, and code type generator (TypeScript/Go/Java/Dart/C#/Python/Swift) # JsonForge — JSON Swiss Army Knife for Developers Format, validate, transform, convert, and generate code types from JSON — all from your right-click menu. Completely free. ## English Description **JsonForge** is a developer's JSON toolbox that lives in your browser. Right-click any JSON on any page, or open the popup to access a full suite of JSON utilities — all running locally, nothing leaves your machine. ### Features - **Format / Minify** — Pretty-print or compress JSON in one click - **7 Language Type Generators** — TypeScript, Go, Java, Dart, C#, Python, Swift - **Multi-Format Conversion** — Convert between JSON ↔ YAML ↔ TOML ↔ XML ↔ CSV, auto-detect input format - **JSON Merge** — Deep merge two JSON objects with smart array and object recursion - **JSONPath Query** — Extract nested data with standard JSONPath syntax - **JSON Diff** — Compare two JSON documents side-by-side - **Tree View** — Interactive collapsible JSON tree for exploring large documents - **Right-Click Context Menu** — Select JSON on any page, right-click → Format, Convert, or Generate types - **Standalone Window Mode** — Detach into a resizable window (Max / Left / Right / Bottom snap) - **Dark Theme** — Eyes-friendly, dev-focused UI - **100% Client-Side** — Your data never leaves your machine, no internet required - **Bilingual** — English & Chinese, toggle anytime ### Why JsonForge? - ⚡ **Faster than online tools** — no tab switching, no pasting, no ads - 🔒 **Privacy-first** — all processing happens locally in your browser - 🎯 **Made for developers** — right-click, select, done **Completely Free** — no limits, no paid tiers, no data collection.
Jun 20, 2026
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