What is JSON?
JSON (JavaScript Object Notation) is the most popular data format on the web. It's used for:
Common JSON Problems
Working with JSON can be frustrating:
How to Format JSON Online
Our free JSON Formatter solves all these problems:
Beautify / Pretty Print
Paste your messy JSON → Click Format → Get perfectly indented, readable JSON.
Validate
Instantly checks for syntax errors and tells you exactly what's wrong and where.
Minify
Remove all whitespace to minimize file size for production use.
JSON Formatting Examples
Before (minified):
{"users":[{"name":"John","age":30,"email":"john@example.com"},{"name":"Jane","age":25,"email":"jane@example.com"}]}
After (formatted with 2-space indent):
{
"users": [
{
"name": "John",
"age": 30,
"email": "john@example.com"
},
{
"name": "Jane",
"age": 25,
"email": "jane@example.com"
}
]
}