10 JSON Formatting Tips Every Developer Should Know

JSON is everywhere. APIs, config files, databases - you can't escape it. Here are 10 tips to format JSON like a pro.

1. Use Consistent Indentation

Pick either 2 or 4 spaces and stick with it. Most teams prefer 2 spaces for JSON.

{
  "name": "John",
  "age": 30
}

2. Sort Keys Alphabetically

Sorted keys make it easier to find properties and compare files.

3. Use Meaningful Key Names

Bad: {"n": "John", "a": 30} Good: {"name": "John", "age": 30}

4. Avoid Deep Nesting

More than 3 levels of nesting is hard to read. Consider flattening your structure.

5. Use Arrays for Lists

{
  "users": ["Alice", "Bob", "Charlie"]
}

6. Handle Null Values Explicitly

Don't omit keys - use null to indicate missing values.

7. Use Proper Number Formats

No leading zeros, use decimals where needed: 0.5 not 00.50

8. Escape Special Characters

Use \" for quotes, \\ for backslashes, \n for newlines.

9. Validate Before Sending

Always validate your JSON before sending it to an API. Use our JSON Validator tool.

10. Use a Formatter Tool

Stop formatting manually. Use our JSON Formatter to instantly format, minify, and validate your JSON.

Conclusion

Good JSON formatting improves readability, reduces bugs, and makes collaboration easier. Bookmark our tools for quick access whenever you need to work with JSON.