JSON Pretty Printer
Pretty print JSON with formatting statistics. Free browser tool — no signup required.
Quick Answer
Paste JSON to pretty print it with proper indentation and see statistics about lines, size, keys, and value types.
How to Use the JSON Pretty Printer
- Use the input area to provide your data.
- The tool processes it instantly in your browser.
- Copy or download the result.
Frequently Asked Questions
- What stats does the pretty printer show?
- It displays total lines, file size in bytes, number of keys, string count, and number count — giving you a quick overview of your JSON data composition.
What is JSON Pretty Printer?
A JSON pretty printer formats JSON with proper indentation and provides comprehensive statistics about the data. Beyond basic formatting, it reports the total number of lines, file size in bytes, count of unique keys, number of string values, and number of numeric values. These statistics help you quickly assess the complexity and composition of JSON data without manually counting or scrolling through large files. Pretty printing is the standard way to prepare JSON for documentation, presentations, and collaborative review, where both readability and quick data assessment are important.
How to Use JSON Pretty Printer
- Paste your JSON.
- Click Pretty Print.
- View the formatted output with statistics.
- Use the stats to assess data complexity.
Common Use Cases
- Preparing JSON output for technical documentation
- Assessing data complexity before processing
- Creating readable JSON examples for team reviews
- Generating formatted output with size metrics
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