DEVELOPER UTILITY

JSON
FORMATTER

Format and beautify JSON online with custom indentation. Validate your JSON, copy the formatted result, or download it as a JSON file.

100% CLIENT-SIDE. FAST & SECURE.

Enter JSON to format.

All processing runs locally in your browser with zero server calls.

HOW IT WORKS

01

PASTE JSON

Paste any raw or minified JSON string into the editor workspace.

02

CONFIGURE OPTIONS

Select your preferred indentation size (2 spaces, 4 spaces, or tabs) and sorting rules.

03

FORMAT & EXPORT

Click Format JSON to beautify your data instantly, then copy or download the result.

FEATURE HIGHLIGHTS

FLEXIBLE INDENTATION

Support for 2 spaces, 4 spaces, and tab indentation to match your exact team coding style guidelines.

100% PRIVATE & LOCAL

Zero server transmission and zero logging. Your sensitive application data remains strictly inside your browser.

SORT OBJECT KEYS

Optionally sort object keys before formatting your JSON.

COPY OR DOWNLOAD

Copy the formatted result or download it as a JSON file.

CLIENT-SIDE PRIVACY

ManyTinyTools operates browser-first. Your JSON payloads remain strictly inside local browser memory and are never uploaded, recorded, or sent to analytics.

LOCAL
INPUT

BROWSER
MEMORY

FORMATTED
EXPORT

RELATED DEVELOPER TOOLS

JSON Validator JSON Minifier JSON to CSV CSV to JSON XML Formatter HTML Formatter CSS Formatter JS Formatter

FREQUENTLY ASKED QUESTIONS

How do I format and beautify JSON?

Does this tool support non-object JSON roots?

Is my data secure and private?

JSONFORMATTER