JSON Debugger

Parse, fix, format, generate code, diff, and inspect JSON-like data instantly.

JSON Debugger is a privacy-first Chrome extension for inspecting, formatting, repairing, comparing, and analyzing JSON. Work with JSON directly in your browser without switching between online tools. Whether you're debugging API responses, exploring network requests, or inspecting complex payloads, JSON Debugger provides a developer-focused workspace for understanding and transforming JSON data. Features * Format and beautify JSON instantly * Repair invalid JSON with intelligent syntax fixing * Explore JSON in an interactive tree view with collapsible nodes * Syntax highlighting for improved readability * Chrome DevTools panel for inspecting JSON in network requests * Side-by-side JSON comparison with highlighted differences * Search deeply nested values using JSONPath * Decode JWT tokens and Base64-encoded content * Generate code from JSON, including: * TypeScript interfaces * Zod schemas * Go structs * Python Pydantic models * Convert URL query parameters into JSON * Load JSON from remote URLs * Save JSON snippets locally * Format raw JSON pages with a floating formatter * Support for light and dark themes * Copy formatted JSON with a single click * All processing happens locally in your browser Privacy JSON Debugger processes all data locally in your browser. Your JSON is never uploaded to external servers, no account is required, and no cloud processing is used. JSON Debugger is designed to simplify everyday JSON workflows, from inspecting API responses and debugging applications to exploring and transforming structured data.