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JSON File Format

JSON Data category

JSON (JavaScript Object Notation) is the data exchange format of the web — human-readable text that APIs, apps and configuration files all speak natively.

Typical use: Convert tables to JSON when a website, app or API expects structured records with named fields.

About the JSON format

JSON (RFC 8259, popularized by Douglas Crockford) is the lingua franca of program data. It has exactly six types — string, number, boolean, null, array, object — nested into trees, and every language on earth parses it natively. REST APIs, NoSQL documents, browser configuration, package manifests: if software talks to software, JSON is usually the sentence.

The spec is deliberately strict: double quotes only, no trailing commas, no comments. That rigidity makes parsers trivial and interop reliable, but it also makes JSON awkward for hand-edited config (people bolt comments on and break parsers) and its 1:1 text mapping keeps large files heavier than binary alternatives.

Strengths

  • ✓ Native parsing in every language
  • ✓ Six clear types, nesting as deep as needed
  • ✓ The default of APIs and modern tooling

Limitations

  • ✗ No comments — poor fit for hand-edited config
  • ✗ Strict syntax: trailing commas and single quotes break it
  • ✗ Verbose; large files parse slowly
Structure
Trees of objects and arrays
Types / schema
Six native types
Compatibility
Universal, machine-first
Best for
APIs, app data, config-as-code

Tools Actions on JSON files themselves

Beautify JSON Minify JSON

Convert JSON to…

20 direct directions plus 4 workflows, sorted A–Z; 🔥 marks popular targets.

JSON to CBOR JSON to CSV Hot JSON to HTM Hot JSON to HTML Hot JSON to ICS JSON to MHT JSON to MSGPACK JSON to ODS JSON to Parquet JSON to SQLITE JSON to TOML JSON to TSV JSON to XHTML JSON to XLSM JSON to XLSX Hot JSON to XLTX JSON to XML Hot JSON to XYZ JSON to YAML JSON to YML

Cross-engine workflows

JSON to PDF JSON to PNG JSON to PNG24 JSON to PNG8

Convert other files to JSON…

CBOR to JSON CSV to JSON Hot HTM to JSON Hot HTML to JSON Hot MHT to JSON MSGPACK to JSON ODS to JSON Parquet to JSON PCD to JSON SQLITE to JSON TOML to JSON TSV to JSON XHTML to JSON XLS to JSON XLSB to JSON XLSM to JSON XLSX to JSON Hot XLTX to JSON XML to JSON Hot XYZ to JSON YAML to JSON YML to JSON

Frequently asked questions

What is a JSON file?

JSON (JavaScript Object Notation) is the data exchange format of the web — human-readable text that APIs, apps and configuration files all speak natively.

How do I convert JSON files online?

Pick a target format from the "Convert JSON to…" list below, drop your file and hit convert. Everything runs in your browser — no install, no upload, no watermark, no limits.

Is it safe to convert JSON files here?

Yes. Every conversion is performed by your own device inside the browser — files never leave for a server, and the page keeps working even offline.

Which formats can JSON convert to?

This page lists all 26 directions across documents, images, audio, video, spreadsheets and archives — each one is its own free converter page.