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Browser Extensions · head to head

JSON Viewer vs Privacy Badger

JSON Viewer logo

JSON Viewer

Browser Extensions

View JSON documents in the browser

From
Free
Rated
-
Full reviewWebsite
Privacy Badger logo

Privacy Badger

Browser Extensions

Automatically learn to block invisible trackers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: JSON Viewer the project is MIT licensed open source code hosted on GitHub with no vendor and no paid tier; Privacy Badger it is not an ad blocker; the project states its aim is to prevent non-consensual tracking rather than to block ads
  • They diverge on capability: JSON Viewer covers JSON formatting, Privacy Badger covers Automatic tracker detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which JSON Viewer and Privacy Badger actually diverge.

Attributes where JSON Viewer and Privacy Badger differ
AttributeJSON ViewerPrivacy Badger
PlatformsChrome, Firefox, EdgeChrome, Firefox, Edge, Opera
Founded20151990

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 JSON Viewer

  • JSON formatting
  • Syntax highlighting
  • Tree view
  • Search functionality

Only in Privacy Badger

  • Automatic tracker detection
  • Learning algorithm
  • Do Not Track support
  • No filter lists required
  • Opera support

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

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

JSON Viewer

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

Privacy Badger

  • Blocking third-party trackers that follow users across websitesnot JSON Viewer
  • Sending Do Not Track and Global Privacy Control signalsnot JSON Viewer
  • Disabling social media tracking widgets like Facebook Like buttonsnot JSON Viewer
  • Preventing canvas fingerprinting across websitesnot JSON Viewer

Where each one falls short

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

JSON Viewer

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

Privacy Badger

  • It is not an ad blocker; the project states its aim is to prevent non-consensual tracking rather than to block ads
  • There is no Safari build, and Safari on iOS lacks extension capabilities Privacy Badger needs to work
  • Chrome on Android does not support extensions, so Android users have to switch to Firefox or Edge
  • Protection is aimed at third-party trackers and does not comprehensively cover tracking by the site you are actually visiting

Pricing, plan by plan

JSON Viewer

Free
  • FreeFree
    • Syntax highlighting
    • Collapsible tree
    • Search

Privacy Badger

Free
  • FreeFree
    • Automatic tracker learning
    • Third-party blocking
    • Do Not Track

Which should you pick?

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

Choose Privacy Badger if

  • You need automatic tracker detection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Opera.
  • You also want learning algorithm.
Privacy Badger review

Questions people ask

Is JSON Viewer or Privacy Badger better?
Neither clearly leads. JSON Viewer starts at Free and Privacy Badger at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, JSON Viewer or Privacy Badger?
JSON Viewer starts at Free and Privacy Badger at Free.
Does JSON Viewer or Privacy Badger run on more platforms?
JSON Viewer runs on Chrome, Firefox, Edge. Privacy Badger runs on Chrome, Firefox, Edge, Opera.
Can I use JSON Viewer for free?
Both have a free tier, so you can try either at no cost before committing.
What can JSON Viewer do that Privacy Badger cannot?
JSON Viewer covers JSON formatting, Syntax highlighting, Tree view, Search functionality. Privacy Badger covers Automatic tracker detection, Learning algorithm, Do Not Track support, No filter lists required. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Privacy Badger: How much does Privacy Badger cost?

Privacy Badger is free browser extension made by the Electronic Frontier Foundation. There are no pricing tiers or subscription costs. The project accepts donations to support EFF's work.

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