Guides
JSON guides & how‑tos
Short, practical guides for everyday JSON tasks — formatting, comparing, converting to tables, and understanding the syntax. Each one links straight to a free tool that does the job in your browser.
- Formatting
How to Format (Beautify) JSON
Pretty-print minified JSON with proper indentation, and minify it again — in your browser, no uploads.
Read guide - Comparing
How to Compare Two JSON Files
Find what changed between two JSON documents with a structural diff that ignores key order and formatting.
Read guide - Tables
How to View JSON as a Table
Turn an array of JSON objects into a sortable, filterable spreadsheet without writing a conversion script.
Read guide - Reference
JSON Syntax Explained
The complete rules of JSON — data types, objects, arrays, and the mistakes that make JSON invalid.
Read guide - Validation
How to Validate JSON
Check whether JSON is valid, read the error message, and jump to the exact line and column to fix it.
Read guide - Comparison
JSON vs CSV: Which Should You Use?
How JSON and CSV differ, when each format wins, and how to view tabular JSON as a spreadsheet.
Read guide - Performance
How to Read Large JSON Files
Open and explore huge JSON without your browser freezing — using a virtualized tree and a filterable grid.
Read guide - Formatting
How to Minify JSON
Strip whitespace to shrink JSON to the smallest valid payload, when to do it, and how to expand it again.
Read guide - Comparison
JSON vs XML: Differences & When to Use Each
How JSON and XML compare on syntax, size, and tooling — and why JSON became the default for web APIs.
Read guide - Reference
Escaping Characters in JSON Strings
Which characters must be escaped in JSON, the full escape list, and how to handle quotes, newlines, and Unicode.
Read guide