JSON Prettifier & Validator

Instant formatting for messy data. Paste any JSON — validate, prettify, minify, sort keys, and explore with a tree view.

JSON Input

Paste or type JSON to begin
Input Options
Enable fixers to auto-repair common JSON issues before formatting.
Input
0 chars 0 lines 0 B

Output

$
Formatted JSON will appear here
Parse JSON to explore the tree view
Output
0 chars 0 lines 0 B ratio:
Status
Keys
Depth
Type
Size
Lines
Customization Options
Formatting Options
2
Standard JSON requires double quotes. Single quotes produce JSON5-compatible output.
Display Options
14px
10
Colors — Syntax Theme
Changes the syntax highlighting colors in the output display.
Clipboard requires HTTPS. File downloaded instead.

JSON Analysis

Status
Root Type
Total Keys
Max Depth
Input Size
Output Size
Minified Size
Compression Ratio
Data Types Distribution
Error Details
Well-formatted JSON improves readability, debugging, and API compatibility.
Action completed