Free tools

Developer Tools

Free developer utilities for formatting, validating, and converting data — entirely in your browser.

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Developer Tools

JSON Formatter

Format, validate, and minify JSON in your browser.

Developer Tools

JSON Validator

Check whether JSON is valid.

Developer Tools

JSON Minifier

Minify JSON by removing whitespace.

Developer Tools

JSON Beautifier

Pretty-print JSON with indentation.

Developer Tools

JSON to CSV

Convert JSON arrays to CSV.

Developer Tools

CSV to JSON

Convert CSV to JSON arrays.

Developer Tools

JSON to YAML

Convert JSON to YAML.

Developer Tools

YAML to JSON

Convert YAML to JSON.

Developer Tools

JSON Schema Generator

Generate JSON Schema from sample JSON.

Developer Tools

JSON Schema Validator

Validate JSON against a JSON Schema.

Developer Tools

JWT Decoder

Decode JWT header and payload.

Developer Tools

Base64 Encoder/Decoder

Encode and decode Base64 strings.

Developer Tools

URL Encoder/Decoder

Encode and decode URL components.

Developer Tools

UUID Generator

Generate UUIDs in your browser.

Developer Tools

Hash Generator

Generate SHA hashes from text.

Developer Tools

cURL to Fetch

Convert cURL commands to fetch().

Developer Tools

cURL to Axios

Convert cURL commands to Axios.

Developer Tools

cURL to Python

Convert cURL commands to Python requests.