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TreeJSON — JSON Viewer, Tree View, YAML & XML Formatter

By Northpine Labs LLC

Pretty-print JSON, YAML, XML in your browser. Tree view, search, JSONPath copy, export. Open source, privacy-first, MV3-native.

View Chrome Web Store

Time on the storeUnder a yearA rough range, not an exact date

Store users180As shown on the Chrome Web Store

Chrome Web Store rating4.2 / 55 ratings on the Chrome Web Store

Last store update18 Jun 2026Version 1.2.2, 4 months ago

Inside the extension

TreeJSON — JSON Viewer, Tree View, YAML & XML Formatter developer product preview 1

Product image 1 of 1

Reviews

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Permissions & access

Access levelHigh

Can read and change every website you visit.

What it’s allowed to do, not what it actually does. Not a safety rating.

Permissions 3

Sensitive1

Read and change data on every website<all_urls>

Standard2

Save its own settingsstorage
Work on the tab you click it onactiveTab

Members also see when a new version asks for new access.

Website access All

All websites

Extension ID: bjjdggabgllhblcjafopjpmcadoeldpk
Package size: 198KiB
Manifest: Version 3

The maker

Northpine Labs LLC has 24 listings on the store. Updates now and then.

Listings: 24
Combined store users: ≈68.9K
Store Featured: 12
Updated in the last 90 days: 7 of 24

Save Image as Type — JPG PNG WebP PDF, Resize & Remove Background≈60K users · updated 31 days ago
Auto-Delete Cookies on Tab Close — Cookie AutoDelete Alternative, Whitelist≈3K users · updated 3 months ago
Get YouTube Tags≈1K users · updated 4 months ago
HEIC to JPG Converter — Batch HEIF, PNG, WebP & iPhone Photos631 users · updated 5 months ago

Combined users can count the same person more than once. See all 24 listings

Ext Watch AI

Should you build in this niche?

One research report for TreeJSON — JSON Viewer, Tree View, YAML & XML Formatter. Reports come with Plus, Pro and Max.

Takeaway & demandCited takeaway and search volumes
Traffic & domainPopularity rank, visits and authority
Money & pricingPlans and prices from the maker’s site
ReviewsComplaints and praise, quoted
Competitors & ranksRank against the closest listings
Build opportunityWhat to build and how to position it

Every number shows its source and date
Ready in a minute or two
Report and PDF yours for 30 days