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Browser Extensions · head to head

Arc vs JSON Viewer

Arc logo

Arc

Browser Extensions

Chromium-based browser organized around user workflows

From
Free
Rated
-
Full reviewWebsite
JSON Viewer logo

JSON Viewer

Browser Extensions

View JSON documents in the browser

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Arc no longer receiving active feature development as of May 2025, entering maintenance mode; JSON Viewer the project is MIT licensed open source code hosted on GitHub with no vendor and no paid tier
  • They diverge on capability: Arc covers Spaces and Profiles, JSON Viewer covers JSON formatting.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Arc and JSON Viewer actually diverge.

Attributes where Arc and JSON Viewer differ
AttributeArcJSON Viewer
PlatformsmacOS, Windows, iOSChrome, Firefox, Edge
FoundedUnknown2015

Identical on both: starting price (Free), pricing model (Free), free tier (Yes), user rating (Not yet rated), category (Browser Extensions).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Arc

  • Spaces and Profiles
  • Split View
  • Themes
  • Privacy-First Design
  • Chromium Updates

Only in JSON Viewer

  • JSON formatting
  • Syntax highlighting
  • Tree view
  • Search functionality
  • Chrome support
  • Firefox support
  • Edge support

What people use each for

The jobs each tool is most often brought in to do.

Arc

  • Organizing work across multiple projects within one browsernot JSON Viewer
  • Separating personal and professional browsing with spacesnot JSON Viewer
  • Privacy-conscious web browsing without trackingnot JSON Viewer
  • Tab and window management for productivitynot JSON Viewer

JSON Viewer

No use cases recorded yet. See the JSON Viewer review.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Arc

  • No longer receiving active feature development as of May 2025, entering maintenance mode
  • Limited cross-platform availability compared to mainstream browsers
  • Smaller ecosystem of extensions compared to Chrome
  • Focused on macOS and Windows, with limited iOS support

JSON Viewer

  • The project is MIT licensed open source code hosted on GitHub with no vendor and no paid tier

Pricing, plan by plan

Arc

Free
  • ArcFree
    • Spaces and profiles organization
    • Split view customization
    • Themes and personalization

JSON Viewer

Free
  • FreeFree
    • Syntax highlighting
    • Collapsible tree
    • Search

Which should you pick?

Choose Arc if

  • You need spaces and profiles.
  • You want to start without paying.
  • You work on macOS, Windows, iOS.
  • You also want split view.
Arc review

Choose JSON Viewer if

  • You need json formatting.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge.
  • You also want syntax highlighting.
JSON Viewer review

Questions people ask

Is Arc or JSON Viewer better?
Neither clearly leads. Arc starts at Free and JSON Viewer at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arc or JSON Viewer?
Arc starts at Free and JSON Viewer at Free.
Does Arc or JSON Viewer run on more platforms?
Arc runs on macOS, Windows, iOS. JSON Viewer runs on Chrome, Firefox, Edge.
Can I use Arc for free?
Both have a free tier, so you can try either at no cost before committing.
What is Arc best used for?
Arc is most often used for organizing work across multiple projects within one browser, separating personal and professional browsing with spaces, privacy-conscious web browsing without tracking, tab and window management for productivity. Of those, organizing work across multiple projects within one browser and separating personal and professional browsing with spaces are not what JSON Viewer is typically brought in for.
What can Arc do that JSON Viewer cannot?
Arc covers Spaces and Profiles, Split View, Themes, Privacy-First Design. JSON Viewer covers JSON formatting, Syntax highlighting, Tree view, Search functionality.

Answered from the vendors’ own pages

Arc: Does Arc Browser cost anything to use?

Arc is completely free to download and use with no subscription required. All features are available at no cost.

Source
Arc: What operating systems does Arc support?

Arc is available on macOS, Windows, and iOS. Windows and mobile versions are available for download.

Source
Arc: Will Arc continue to receive new features?

As of May 2025, Arc entered maintenance mode with no new features planned. The Browser Company's focus has shifted to Dia browser, though Arc continues to receive security updates.

Source
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