Json Formatter Pro Viewer

JSON Formatter Pro - JSON Viewer, Beautifier, Validator, Tree View & Editor. 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.

KEY FEATURES

Format & Beautify - Transform minified JSON into clean, indented, syntax-highlighted code. Customizable 2/4/8 space indent.
Validate & Debug - Pinpoint JSON syntax errors with exact line numbers. Catch missing brackets, trailing commas instantly.
Tree View Explorer - Navigate deeply nested JSON with collapsible, interactive tree. Expand/collapse nodes visually.
Minify - Compress JSON payloads for APIs and config files. One-click production-ready output.
Auto-Paste - Detects JSON in clipboard when you open the extension. Zero friction workflow.
Convert (Pro) - JSON to YAML for Kubernetes/Docker. JSON to CSV for Excel/Sheets. JSON diff. Schema validation.
100% Local - All processing on your device. API keys, tokens, credentials never touch a server.

BUILT FOR

Frontend devs debugging REST API & GraphQL responses
Backend engineers validating JSON payloads
DevOps/SRE teams editing Kubernetes, Terraform, Docker configs
Data analysts exploring JSON datasets
QA engineers validating API schemas
Anyone using Postman, cURL, DevTools, or log files

HOW IT WORKS

1. Copy JSON from any source
2. Click JSON Formatter Pro icon - auto-pastes from clipboard
3. Click Format - instant beautification with syntax highlighting
4. Switch to Tree View to explore nested objects

Shortcuts: Ctrl+Shift+F (Cmd+Shift+F Mac) to format

PRIVACY: All local. No servers. No analytics. No tracking. No account. Unlike jsonformatter.org or jsonlint.com, your sensitive data stays on your device.
https://zovo.one/privacy/json-formatter-pro

FREE: Format, beautify, minify, validate, tree view, copy, download
PRO: YAML conversion, CSV export, JSON diff, schema validation

Built by Zovo - Developer tools crafted by developers.
https://zovo.one | support@zovo.one