JSON Tools

Format, validate, minify, and convert JSON. JSON to XML or YAML, compare two JSONs, view as tree, escape, sort keys, merge. All tools run in your browser.

JSON Formatter

Pretty print and format JSON

Use JSON Formatter

JSON Validator

Validate JSON and show errors

Use JSON Validator

JSON Minifier

Minify and compress JSON

Use JSON Minifier

JSON to XML

Convert JSON to XML

Use JSON to XML

XML to JSON

Convert XML to JSON

Use XML to JSON

JSON to YAML

Convert JSON to YAML

Use JSON to YAML

YAML to JSON

Convert YAML to JSON

Use YAML to JSON

JSON Diff

Compare two JSON objects

Use JSON Diff

JSON Viewer

Tree view and explore JSON

Use JSON Viewer

JSON Escape / Unescape

Escape or unescape JSON strings

Use JSON Escape / Unescape

JSON Sort Keys

Sort object keys alphabetically

Use JSON Sort Keys

JSON Merge

Merge two or more JSON objects

Use JSON Merge

JSON to CSV

Flatten JSON to CSV

Use JSON to CSV

Explore more tool categories

About JSON Tools

Image Tool Hub provides free online JSON tools for formatting, validating, minifying, converting, and editing JSON. Pretty-print and beautify JSON with custom indent (2 or 4 spaces or tab) and optional sort keys; validate syntax and see error position; minify for production; convert JSON to XML or YAML and back; compare two JSON objects with a diff; view JSON as a collapsible tree; escape or unescape strings; sort object keys alphabetically; and merge multiple JSON objects. For tabular data, use our CSV Tools to convert between JSON and CSV. All tools run in your browser with no sign-up, no uploads to our servers, and no paywalls.

Every JSON tool uses client-side processing: your data stays on your device. We never see, store, or transmit your content. That means complete privacy, faster results, and no data exposure. Our tools work for developers, API authors, analysts, and anyone who needs reliable JSON formatting, validation, and conversion without compromising privacy.

Browse the tools above to get started. For more help, visit our Contact or FAQ page.

Frequently Asked Questions

Are JSON tools free?

Yes, all JSON tools are free. Format, validate, minify, convert to XML or YAML, compare, view as tree, escape, sort keys, and merge—no registration or payment. All processing happens in your browser.

Do my JSON data get uploaded?

No. All JSON processing is done entirely in your browser. Your data never leaves your device. We never see, store, or transmit your content.

What can I do with JSON tools?

Format and pretty-print JSON with indent and sort keys, validate syntax and see error position, minify for production, convert JSON to XML or YAML and back, compare two JSON objects (diff), view as a collapsible tree, escape or unescape strings, sort object keys alphabetically, and merge multiple JSON objects. The hub also links to JSON to CSV (CSV tools hub has CSV to JSON).

Can I convert JSON to CSV?

Yes. The JSON tools hub links to JSON to CSV to flatten JSON to CSV. For CSV to JSON, use the CSV tools hub.

Is there a size limit for JSON?

Limits depend on your device's memory. Very large JSON (e.g., several MB) may take longer. For best results, we recommend JSON under 5MB for most tools.

Do JSON tools work offline?

After the page loads, all tools run in your browser with no server round-trips. You can use them without an internet connection for formatting, validation, minify, and conversions.