JSON Formatter Pro

Beautiful JSON formatter, validator, and editor. Format, validate, convert, and compare JSON instantly. 100% local & private.

JSON Formatter Pro — Format, validate, edit, and beautify JSON in one click. The most powerful JSON tool for Chrome. Stop pasting sensitive API responses into online JSON formatters. JSON Formatter Pro runs 100% locally — your data never leaves your browser. No servers, no tracking, no risk. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHY DEVELOPERS CHOOSE JSON FORMATTER PRO ✓ More than a viewer — format, validate, minify, convert, and diff JSON ✓ 100% local processing — your API keys, tokens, and config data stay private ✓ Smart error detection — pinpoint JSON syntax errors with exact line numbers ✓ Tree view explorer — navigate deeply nested JSON structures visually ✓ Works instantly — zero configuration, zero accounts, zero learning curve ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ JSON FORMATTER & BEAUTIFIER - Format & beautify minified JSON into clean, indented, syntax-highlighted code - Minify JSON for production — compress payloads for APIs and config files - Customizable indent — choose 2, 4, or 8 spaces for your preferred code style - Auto-paste — detects JSON in your clipboard when you open the extension - One-click copy — copy formatted JSON output to clipboard instantly - Download as .json — save formatted output as a file JSON VALIDATOR & ERROR CHECKER - Validate JSON syntax and get precise error locations with line numbers - Catch missing brackets, trailing commas, and malformed strings instantly - Debug API responses and configuration files without leaving Chrome JSON TREE VIEWER & EXPLORER - Explore nested JSON objects with a collapsible, interactive tree view - Navigate complex API responses, database exports, and config files visually - Expand and collapse nodes to focus on the data that matters JSON CONVERTER — YAML, CSV & MORE (Zovo Pro) - Convert JSON to YAML — perfect for Kubernetes, Docker, and CI/CD config files - Export JSON arrays to CSV — open in Excel, Google Sheets, or any spreadsheet - JSON diff — compare two JSON objects side by side to spot differences - JSON Schema validation — validate JSON against any JSON Schema definition ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BUILT FOR DEVELOPERS WHO WORK WITH JSON DAILY → Frontend developers debugging REST API and GraphQL responses → Backend engineers testing and validating JSON payloads → DevOps and SRE teams editing Kubernetes, Terraform, and Docker configs → Full-stack developers working with MongoDB, Firebase, or DynamoDB → Data analysts and data scientists exploring JSON datasets and exports → QA engineers validating API response schemas → Anyone who copies JSON from Postman, cURL, browser DevTools, or log files ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ HOW TO FORMAT JSON IN CHROME 1. Copy JSON from any source — API response, file, console, Postman, cURL output 2. Click the JSON Formatter Pro icon — your JSON auto-pastes from clipboard 3. Click Format — instantly beautified with syntax highlighting 4. Switch to Tree View to explore nested objects and arrays visually ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ KEYBOARD SHORTCUTS Ctrl+Shift+F (Cmd+Shift+F on Mac) — Format JSON Tab — Insert proper indentation ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 100% PRIVATE — YOUR JSON NEVER LEAVES YOUR BROWSER All JSON formatting, validation, and conversion happens locally on your device. No data is sent to any server. No analytics. No tracking. No account required. Unlike online JSON formatters (jsonformatter.org, jsonlint.com), your API keys, auth tokens, database credentials, and sensitive config data never touch a remote server. Privacy policy: zovo.one/privacy/json-formatter-pro ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PERMISSIONS EXPLAINED - Storage — Save your preferences (theme, indent size) - Clipboard — Auto-paste JSON and copy formatted output - Active Tab — Detect JSON content on the current page - Context Menus — Right-click menu to format selected JSON - Scripting — Format JSON found on web pages automatically ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ FREE FOREVER — PRO FEATURES UNLOCK MORE Free: Format, beautify, minify, validate, tree view, copy, download, auto-paste Pro: YAML conversion, CSV export, JSON diff, schema validation ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ COMPARE: JSON FORMATTER PRO vs ALTERNATIVES Unlike JSONView and other JSON viewers, JSON Formatter Pro is a complete JSON toolkit — not just a viewer. Format, validate, minify, convert to YAML/CSV, compare with diff, and validate against schemas. All from one extension. All 100% local. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BUILT BY ZOVO — Developer tools crafted by developers. Homepage: https://zovo.one Support: https://zovo.one/support Made with care for developers who demand better tools.