Home / All Tools / JSON Developer Tools / JSON Formatter / Beautifier
JSON Formatter / Beautifier
Your result will appear here — instantly, in your browser.
🔒 Private: this tool runs in your browser. Nothing is uploaded to a server. · Free, no signup.
What does it do?
Pretty-prints messy JSON with 2 or 4-space indent and a tree view.
What problem does it solve?
Minified API output is unreadable and impossible to debug.
How to use it
- Open the JSON Formatter / Beautifier tool — no signup needed.
- Enter your input (json formatter) in the form above.
- Click the button and check the instant result.
- Copy or download the result and use it wherever you need it.
Frequently asked questions
Is the JSON Formatter / Beautifier free?+
Yes. The JSON Formatter / Beautifier on ToolBux is free to use, with no signup and no daily limit on the free version.
Is my data uploaded to a server?+
No. This tool runs in your browser. Your files and text are not uploaded to ToolBux servers.
What is the JSON Formatter / Beautifier used for?+
Pretty-prints messy JSON with 2 or 4-space indent and a tree view.
More JSON Developer Tools
JSON Validator
Checks syntax and points to the exact line and column of the error.
JSON Minifier
Removes all whitespace to shrink JSON to one line.
JSON to CSV Converter
Turns JSON arrays into spreadsheet rows you can download.
JSON to YAML Converter
Converts JSON into YAML format.
JSON to Excel Converter
Turns JSON into a CSV file that opens directly in Excel.
JSON to TypeScript
Generates TypeScript interfaces from a JSON sample.
Other categories
🖼️ Image Tools
Compress, resize, convert and crop images — free, instant, in your browser.
🧮 Everyday Calculators
Age, percentage, tip, date and loan calculators — one page per exact question.
💼 Business / Freelancer Tools
Invoices, quotes, payslips and brand names — professional documents in 60 seconds.
▶️ YouTube Creator Tools
Thumbnails, titles, tags and descriptions — one paste, everything for your next video.