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JSON · 15 tools

JSON to TypeScript

Generate TypeScript interfaces from a JSON sample.

YAML to JSON

Convert YAML into formatted JSON.

JSON to YAML

Convert JSON into YAML.

TOML to JSON

Convert TOML into JSON.

JSON to TOML

Convert JSON into TOML.

XML to JSON

Convert XML into JSON.

JSON to XML

Convert JSON into XML.

JWT parser

Decode and inspect a JSON Web Token’s header and payload (no signature check).

Mock data generator

Generate realistic fake data (names, emails, UUIDs…) as JSON.

JSON minify / prettify

Minify or prettify a JSON document.

JSON to CSV

Convert a JSON array of objects into CSV.

JSON diff

Compare two JSON documents and list the differences.

JSON viewer

Explore JSON as a collapsible tree, with formatting and validation.

.env file parser

Parse a .env file into a key/value table, flag duplicate keys and secrets, and export JSON.

CSV viewer & converter

View, validate, and convert CSV/TSV to JSON and back, with a custom delimiter.