How to Format JSON Properly
Best practices for formatting JSON for readability, API testing, and config file management.
Read More →- Free to use
- Fast and lightweight
- Works in your browser
- No signup required
- Privacy-friendly – your data never leaves your device
Popular JSON Tools
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JSON Formatter
Pretty-print, beautify, and validate JSON with syntax highlighting. Ideal for inspecting API responses and config files.
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JSON Validator
Check JSON syntax instantly and find errors with line and character position before sending to APIs.
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JSON Viewer
View JSON as an interactive collapsible tree. Expand and collapse nodes to navigate large JSON documents.
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JSON Minifier
Remove whitespace and compress JSON to reduce payload size for production APIs and web apps.
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JSON Diff
Compare two JSON objects side by side. Highlights added, removed, and changed keys instantly.
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Conversion
JSON to CSV
Convert JSON arrays to CSV for Excel, Google Sheets, and database imports instantly.
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JSON Beautifier
Beautify and pretty-print compact or minified JSON with proper indentation and whitespace.
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Auth
JWT Decoder
Decode JWT header, payload, and expiry instantly. Shows token validity status. Decode-only — no signature verification.
Use Tool →Latest Articles
Common JSON Errors and How to Fix Them
Debug and fix the most common JSON syntax errors — missing commas, bad quotes, and unclosed brackets.
Read More →JSON Formatter vs JSON Validator
Understand the difference between formatting and validating JSON and when to use each tool.
Read More →What Is URL Encoding?
Learn how percent-encoding works, why it exists, and when you need to encode URL parameters.
Read More →How to Convert JSON to CSV
Step-by-step guide to exporting JSON data as CSV for spreadsheets and data analysis tools.
Read More →How to Convert JSON to YAML
Convert JSON configuration to YAML format for Docker, Kubernetes, and Ansible projects.
Read More →Frequently Asked Questions
Are these developer tools free?
Yes. All tools on this site are completely free to use with no signup or account required.
Is my data sent to a server?
No. All processing happens entirely in your browser. Your data never leaves your device.
Which tool should I use to format JSON?
Use the JSON Formatter to pretty-print and beautify JSON. Use the JSON Validator if you only need to check for syntax errors.
Can I convert JSON to CSV or YAML?
Yes. Use the JSON to CSV Converter to export JSON arrays to spreadsheet format, or the JSON to YAML Converter for DevOps configuration files.