JSON Validator & Formatter

Paste your JSON below, then validate, format, or minify — instantly, in your browser.

Switch Tool

JSON FormatterJSON ValidatorJSON MinifyJSON ViewerJSON EditorJSON ParserJSON to XMLJSON to YAMLJSON to CSVXML to JSONYAML to JSONCSV to JSONJSON DiffJSON SortAll Tools

Your All-in-One Data Formatting Suite

search
auto_awesome

AI Dev Tools

New
token

AI Token Counter

Exact GPT-4o/GPT-4 token counts, plus Claude and Gemini estimates.

data_object

OpenAI Function Schema Generator

Turn sample JSON into a ready-to-use tool-calling schema.

code
MOST USED

JSON Formatter

Beautify, minify, and fix broken JSON structures instantly.

Launch Tool open_in_new
terminal

XML Formatter

Beautify XML with consistent, hierarchical indentation.

Launch Tool open_in_new
settings_ethernet

YAML Formatter

Clean up YAML config files with consistent indentation.

Launch Tool open_in_new
css

CSS Beautifier

Pretty-print minified or compressed CSS stylesheets.

Launch Tool open_in_new
verified

JSON Validator

Catch syntax errors and confirm your JSON is well-formed.

Launch Tool open_in_new
fact_check

XML Validator

Check XML documents for well-formedness before they ship.

Launch Tool open_in_new
checklist

YAML Validator

Validate YAML syntax and catch indentation errors early.

Launch Tool open_in_new
rule

OpenAPI Validator

Check an OpenAPI 3.x spec for structural and schema errors.

Launch Tool open_in_new
settings_ethernet

YAML to JSON

Convert configuration files seamlessly between formats.

Launch Tool open_in_new
swap_horiz

XML to JSON

Turn XML documents into clean, structured JSON.

Launch Tool open_in_new
table_chart

CSV to JSON

Convert spreadsheet exports into nested JSON objects.

Launch Tool open_in_new
password

Base64 Encoder

Rapidly encode or decode strings and images to Base64.

Launch Tool open_in_new