.json — JavaScript Object Notation
Data application/json
What a .json file is
The dominant data interchange format on the web: nested objects and arrays of strings, numbers, booleans and null.
How to open it
Any text editor. Format and validate it here.
Worth knowing
JSON has no comments and no trailing commas. Both are the most common syntax errors.
Other data formats
- .csv — Comma-Separated Values
- .yaml — YAML Ain't Markup Language
- .sql — SQL Script
- .parquet — Apache Parquet