Code Converters
Convert between JSON, CSV, YAML, TOML, TypeScript and other formats.
Number Base Converter
Convert between binary, octal, decimal & hex — BigInt-powered.
JSON to CSV
Convert an array of JSON objects into clean CSV — locally.
JSON ↔ YAML Converter
Convert JSON to YAML and YAML back to JSON — no libraries.
CSV ↔ JSON Converter
Convert CSV to JSON and back — RFC 4180 compliant, no uploads.
YAML ↔ JSON Converter
Convert YAML to JSON and back — pure JS, no dependencies.
JSON to TypeScript
Infer a TypeScript interface from any JSON sample.
HTML to Markdown Converter
Convert HTML to clean Markdown via DOMParser — no regex hacks.
TOML ↔ JSON Converter
Convert TOML to JSON and back — pure JS, no deps.
How Do Code Converters Work?
Code converters transform data from one format to another while preserving the information's structure and meaning. Common conversions include JSON to CSV for spreadsheet import, YAML to JSON for API configuration, and JSON to TypeScript for type generation.
Our converters parse the input format, build an internal representation, and output the target format with correct syntax. This eliminates manual rewriting and reduces errors when working with multiple data formats.
Each converter runs entirely in your browser. Your data is never transmitted to a server, making these tools safe for converting sensitive configuration files, API responses, and internal data exports.