JSONLint

Plans and prices

Every plan, in full

On the record

Analytics and cookies

The privacy policy says the site uses Google Analytics and cookies for preferences, analytics, and advertising.jsonlint.com · read 2 Oct 2026

Chrome extension

The free Chrome extension offers a collapsible JSON tree, image previews, clickable URLs, timestamps, and export to jsonlint.com.jsonlint.com · read 2 Oct 2026

Conversions

The site lists converters between JSON and CSV, Excel, SQL, YAML, XML, Java, and Python.jsonlint.com · read 2 Oct 2026

Error reporting

The site says its validator identifies errors and reports their line numbers.jsonlint.com · read 2 Oct 2026

Extension privacy

The extension page says it operates client-side and does not track or collect data.jsonlint.com · read 2 Oct 2026

Mac app

JSONLint Pro offers real-time validation, repair of common JSON errors, formatting, conversions, tree view, and multi-document tabs.apps.apple.com · read 2 Oct 2026

Mac app privacy

The Mac app listing says it works offline on the device and requires no account, analytics, tracking, or internet connection.apps.apple.com · read 2 Oct 2026

Open source engine

The site says its validator uses @jsonlint/core, which is available to install with npm for use in other projects.jsonlint.com · read 2 Oct 2026

Privacy

The privacy policy says JSON validation happens in the browser and JSON content is not sent to JSONLint servers for processing.jsonlint.com · read 2 Oct 2026

Purpose

JSONLint is a validator and formatter for JSON that accepts pasted or typed code and URLs containing JSON.jsonlint.com · read 2 Oct 2026

URL input

Users can supply a URL containing JSON for JSONLint to retrieve and parse.jsonlint.com · read 2 Oct 2026

Web tools

JSONLint lists formatting, minifying, comparison, tree viewing, schema validation, and JSON Path tools.jsonlint.com · read 2 Oct 2026

Alternatives to JSONLint

J jaqWebWindows+4 J JSONZenWebWindows+3 J JSONBuddyWindowsBrowser extension+1 DJ Dadroit JSON ViewerWebWindows+2 B BracketViewWebWindows+1 J jqWebWindows+3 G gojqWindowsMac+2 G gronWindowsMac+1

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