JSON Formatter – I7 Pixel

// Dev Tools

JSON Formatter

Beautify, minify, and validate JSON data with instant syntax highlighting. Fix errors, sort keys, and explore your JSON structure right in the browser.

✓ Free · No Upload Syntax Highlighting Beautify · Minify · Validate 100% Client-Side

{ } JSON

Status

Waiting…

Characters

Lines

Keys / Values

—

Depth

—

⚠️ Invalid JSON

Input

Output

// Output will appear here…

⚙️ Options

Indentation

Spaces used when beautifying

Formatting

Sort keys A→Z

Syntax highlighting

Auto-format on paste

Mode

ℹ️ About JSON

What is JSON?

JSON (JavaScript Object Notation) is a lightweight, text-based data-interchange format. It's language-independent and easy for humans and machines to read and write.

Data Types

string — "hello world"
number — 42 or 3.14
boolean — true / false
null — null
object — { "key": val }
array — [1, 2, 3]

Common Errors

🔸 Trailing commas not allowed

🔸 Keys must be double-quoted

🔸 Single quotes not valid

🔸 Unescaped special chars in strings