What is a JSON file?
JSON (JavaScript Object Notation) is a text format for structured data that web apps and APIs use everywhere. It was introduced in 2001 by Douglas Crockford (RFC 8259).
What JSON is good at
- The standard format for web APIs
- Readable by people and programs
- Works in every programming language
Where JSON falls short
- Not a table viewer
- Larger than CSV for flat data
When to use JSON
- Web and app development
- API data
- Configuration and data exchange
Where JSON files open
JSON files open in every programming language, browser developer tools and code editor.
JSON compared with XLSX
JSON or XLSX? JSON is best for web and app development. XLSX is best for budgets and financial models. Convert JSON to XLSX or convert XLSX to JSON.
Frequently asked questions
What is a JSON file?
JSON (JavaScript Object Notation) is a text format for structured data that web apps and APIs use everywhere. It was introduced in 2001 by Douglas Crockford (RFC 8259).
What are the advantages of JSON?
The standard format for web apis; readable by people and programs; works in every programming language.
What are the drawbacks of JSON?
Not a table viewer; larger than csv for flat data.
What programs open JSON files?
JSON files open in every programming language, browser developer tools and code editor.
How do I convert a JSON file?
Choose the JSON converter you need from the list on this page, drop in your file and press Convert. You get your new file in seconds, free and without sign-up.