JSON Formatter Online Free
Prettify and format raw JSON data trees with custom indentation styles. Debugging flattened, minified JSON payloads or API logs is near impossible.
Your inputs are processed locally in your browser. Nothing is uploaded to any server.
Why You Need a JSON Formatter
Debugging flattened, minified JSON payloads or API logs is near impossible.
How JSON Formatter Works
The engine parses JSON strings and stringifies them with custom indents and syntax coloring for high-speed operation, providing instant feedback without sending any data over the internet.
When to Use This Tool
Use the JSON Formatter when you need to format and prettify raw JSON data during debugging API payloads, cleaning data logs, and checking configurations.
Step-by-Step Usage
- Paste your minified or unreadable JSON text.: Paste your minified or unreadable JSON text.
- Select indentation spacing (2 or 4 spaces).: Select indentation spacing (2 or 4 spaces).
- Click format and inspect the nested, colored JSON structure.: Click format and inspect the nested, colored JSON structure.
Practical Example
For example, using the JSON Formatter to process minified, raw, or unreadable json text to generate syntax-highlighted, formatted, and indented json data structure client-side.
Advantages
- Syntax-highlighted,: Syntax-highlighted, collapsible data trees
- Customizable: Customizable indents and brackets formatting
- Runs: Runs 100% locally to protect private API logs
Common Mistakes to Avoid
- Pasting invalid JSON syntax, which blocks formatting and triggers parse errors
Privacy and Safe Usage
Avoid pasting secrets, API keys, private tokens, or credentials into formatting, decoding, or testing tools unless you fully understand how the page processes the data.
Related Tools
Here are some other related utility tools you can explore to streamline your workflows:
FAQs
Can it format corrupted JSON?
No. The input must be valid JSON; the tool will show you where the syntax error is located so you can fix it.