JSON Formatter

Format and validate JSON while preserving numeric tokens. Adjust indentation, sort keys if needed and download readable output without changing large numbers.

JSON Formatter
0 characters
Ready when you are

Add your input, adjust the options and run the tool.

—
Options
Runs in your browser
No input saved

How to use this tool

01

Add your input

Paste text or choose a file. Try the example to get started.

02

Choose your options

Validate, format or compact JSON while preserving every numeric token.

03

Inspect and export

Review the processing notes, then copy or download the result. Continue with another tool if needed.

JavaScript Base64 recipes for JSON, files and byte arrays

Keep going

Browse every tool

JSON Minifier

Validate, format or compact JSON while preserving every numeric token.

Data

JSON Beautifier

Validate, format or compact JSON while preserving every numeric token.

Data

JSON ↔ YAML

Convert structured data between JSON and YAML.

Data

JSON ↔ CSV

Convert records to delimited text or parse CSV without losing quoted values.

Data