Willow.js - JSON Tree Viewer

Unknown author · Developer Tools

Open in Chrome Web Store

Users

Avg rating

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Ratings

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Updated

Jun 3, 2026

Media

5 items

Description

An interactive JSON tree viewer with expand/collapse navigation, undo/redo support, and customizable visualization options. Willow.js is a powerful interactive JSON tree viewer designed for developers. It allows you to visualize complex JSON structures with expandable and collapsible nodes, search functionality, undo/redo navigation, and customizable themes and fonts. Perfect for debugging APIs, inspecting payloads, and exploring large JSON datasets in a clean and intuitive interface.

History

30d 90d 1y all

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
28
Description length
Characters in the listing description.
490

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.

Yes

Keyword in name

Case-insensitive substring match in the name.

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Keyword in description

Case-insensitive substring match in the description.

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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.