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Convert to JSON

Convert any file to JavaScript Object Notation format — free, fast, and private

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Tamaño máximo: 2GB

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About JSON Format

JavaScript Object Notation (.json)

JSON (JavaScript Object Notation) is a lightweight, text-based data interchange format. It uses human-readable key-value pairs and arrays to structure data, making it both easy for developers to work with and efficient for machines to parse. JSON is the dominant format for REST APIs, web services, configuration files, and NoSQL databases (MongoDB, CouchDB). It supports strings, numbers, booleans, arrays, objects, and null values. JSON is language-independent despite its JavaScript origins and is supported by virtually every programming language.

Convert to JSON from any format

Choose a source format below to convert to JavaScript Object Notation

XMLJSONYAMLJSONYMLJSONTOMLJSONINIJSONSQLJSONSQLITEJSONPARQUETJSONAVROJSONPROTOJSON

Frequently Asked Questions

How do I convert files to JSON?
Simply upload your file using the converter above, select JSON as the output format, and click convert. The conversion happens instantly in your browser — no uploads needed.
What file formats can be converted to JSON?
You can convert 10+ formats to JSON, including XML, YAML, YML, TOML, INI and more. Browse the full list of supported source formats above.
Is converting to JSON free?
Yes, Convert999 is 100% free with no limits. Convert as many files to JSON as you need — no registration, no watermarks, no hidden fees.
Is my data safe when converting to JSON?
Absolutely. All conversions happen locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

Explore JSON

JSON Converter

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About JavaScript Object Notation

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