JSON Tools – Small Tools. Big Help.

Welcome to SmallToolsOnline.com — your go-to toolkit for working with JSON data quickly and efficiently. Our collection of smart browser-based JSON tools helps you format, validate, minify, and beautify JSON instantly — all without installing any software or sending your data anywhere.

From simple JSON formatters and validators to advanced JSON-to-XML converters, JSON viewers, and data analyzers, every tool runs directly in your browser using fast JavaScript processing.

Whether you're a developer debugging APIs, a data analyst formatting structures, or a student learning JSON syntax — Small Tools Online helps you do it faster, smarter, and safer.

All JSON Tools

Format & Beautify JSON

Format and indent JSON for readability.

Remove whitespace to compress JSON.

Check for valid JSON syntax and structure.

Convert JSON arrays/objects into CSV format in-browser.

Convert CSV text into JSON structure using JS.

JSON Diff / Compare

Compare two JSON documents and highlight differences.

Sort the keys in JSON objects alphabetically.

JSON Beautify & Compact

Switch between pretty & compact JSON formats.

JSON Extract / Query Path

Extract values from JSON using dot/array path syntax.

Flatten nested JSON objects into single-level key paths.

Convert flattened JSON back into nested structure.

JSON Remove Keys

Remove specified keys from JSON objects.

JSON Keep Only Keys

Keep only listed keys, drop all others in JSON object.

JSON Merge Objects

Merge multiple JSON objects into one.

JSON Split Objects

Split an array of objects into separate JSON files/objects.

JSON Encode to String

Convert JSON object into a JSON string literal.

JSON Decode String

Parse a JSON string into a JSON object.

JSON Path Finder

Find the JSON path (dot/array) for a given value.

JSON Schema Validate

Validate JSON against a JSON Schema definition.

JSON Pretty Print Tree View

Visualize JSON as a collapsible tree in the browser.