Understanding JSON Structure
JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write and easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language.
Why Validation is Critical
Data transmission often fails due to tiny syntax errors—a missing comma, an unclosed bracket, or a single quote instead of a double quote. Our JSON Validator identifies these issues instantly, allowing you to fix API payloads or config files before they cause system errors.
Pro-Tip: JSON Syntax Rules
- Data is in name/value pairs (e.g.,
"name": "SnapBox") - Data is separated by commas
- Curly braces
{}hold objects - Square brackets
[]hold arrays - Strings must be wrapped in double quotes
Security & Privacy Policy
Unlike other online formatters, SnapBox processes all data locally on your device. Your JSON data is never sent to our servers. This makes it safe to format configuration files containing non-sensitive (but private) internal structures directly in your browser.