4 items
Fast, private, and local JSON formatter, validator, and minifier. No data leaves your browser. HavenTools JSON Toolkit is a fast, privacy-first JSON utility that runs entirely in your browser. Format, validate, minify, inspect, and copy JSON without uploading your data to a server. Features • Format JSON with 2, 4, or 8-space indentation • Validate JSON and show clear syntax errors • Minify valid JSON into a compact single line • Copy formatted or minified JSON to your clipboard • Keyboard-friendly workflow with Ctrl/Cmd + Enter • Clear/reset your workspace easily Privacy-first All JSON processing happens locally in your browser. Your JSON is not uploaded to HavenTools or any other server. The extension has no account requirement, analytics, advertising, telemetry, or tracking, and works offline. HavenTools JSON Toolkit is designed for developers, QA engineers, analysts, and anyone who needs a quick local JSON utility.
Aug 24, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.