Who is JSONViewPro for?

JSONViewPro is an open-source project built for developers and technical users.

Does JSONViewPro have a free plan?

Yes — JSONViewPro is open source under the Open Source license and free to use.

What platforms does JSONViewPro run on?

JSONViewPro runs on the web and embeddable surfaces.

Is JSONViewPro still active?

Unverified. JSONViewPro has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to JSONViewPro?

Similar projects tracked by PulseGate include JSON Viewer, JSONView, and JSON Viewer Pro By PatilWeb.

Who makes JSONViewPro?

JSONViewPro is developed by oppoic.

How long has JSONViewPro been around?

JSONViewPro first shipped in 2020.

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JSONViewPro

Name: JSONViewPro
Author: oppoic

github.comInfrastructure

JSONViewPro is an open-source browser extension that formats and displays multiple JSON documents in a single window. Its layout adapts to screen width and can show up to six documents side by side for developers and technical users.

Open SourceWebEmbeddable

Visit github.com

Overview

7 features

JSONViewPro sits in PulseGate's Browser DevTools & extensions category. It focuses on viewing and comparing multiple JSON documents without opening separate browser windows. JSONViewPro is an open-source project aimed at developers and technical users. The project is open source (Open Source). JSONViewPro is available on the web and embeddable surfaces.

It is developed by oppoic, and it first shipped in 2020. Among its 7 catalogued features are JSON formatting, multi-document view, and responsive layout.

JSON formatting
Multi-document view
Responsive layout
Side-by-side comparison
Chrome support
Firefox support
Edge support

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed13 Sep · 22:16 UTC
JSONViewPro verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about JSONViewPro

What does JSONViewPro do?: JSONViewPro focuses on viewing and comparing multiple JSON documents without opening separate browser windows. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is JSONViewPro for?: JSONViewPro is an open-source project built for developers and technical users.
Does JSONViewPro have a free plan?: Yes — JSONViewPro is open source under the Open Source license and free to use.
What platforms does JSONViewPro run on?: JSONViewPro runs on the web and embeddable surfaces.
Is JSONViewPro still active?: Unverified. JSONViewPro has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to JSONViewPro?: Similar projects tracked by PulseGate include JSON Viewer, JSONView, and JSON Viewer Pro By PatilWeb.JSON Viewer JSONView JSON Viewer Pro By PatilWeb
Who makes JSONViewPro?: JSONViewPro is developed by oppoic.
How long has JSONViewPro been around?: JSONViewPro first shipped in 2020.

At a glance

Pricing: Open Source
Platforms: Web
Languages: English
License: Open Source
First seen: 13 Sep 2026
Built for: developers and technical users
Model: Open source
Solves: Viewing and comparing multiple JSON documents without opening separate browser windows.

Registered as

Chrome Web Store: khbdpaabobknhhlpglenglkkhdmkfnca
Firefox Add-ons: jsonviewpro

Developer

oppoic

Index record

Indexed: 13 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 13 Sep 2026

Identity audit (13)

Slug: jsonviewpro-github-com
Lifecycle state recorded: 13 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 13 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 13 Sep 2026
Canonical URL: https://github.com/oppoic/JSONViewer

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