Browser Extensions · head to head
Capital One Shopping vs JSON Viewer

Capital One Shopping
Browser Extensions
Automatically save while you shop
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Capital One Shopping limited to coupon and price comparison features, no true cashback rewards; JSON Viewer the project is MIT licensed open source code hosted on GitHub with no vendor and no paid tier
- They diverge on capability: Capital One Shopping covers Price comparison, JSON Viewer covers JSON formatting.
Where they differ
Only the attributes on which Capital One Shopping and JSON Viewer actually diverge.
| Attribute | Capital One Shopping | JSON Viewer |
|---|---|---|
| Pricing model | Unknown | free |
| Platforms | Web, iOS, Android | Chrome, Firefox, Edge |
| Founded | 2014 | 2015 |
Identical on both: starting price (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 Capital One Shopping
- Price comparison
- Coupon finder
- Price tracking
- Credits rewards
- Safari support
Only in JSON Viewer
- JSON formatting
- Syntax highlighting
- Tree view
- Search functionality
Both cover
- Chrome support
- Firefox support
- Edge support
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Capital One Shopping
- Limited to coupon and price comparison features, no true cashback rewards
- Dependent on retailers offering coupons or price matching
- Browser extension adds processing overhead to shopping sessions
JSON Viewer
- The project is MIT licensed open source code hosted on GitHub with no vendor and no paid tier
Pricing, plan by plan
Capital One Shopping
FreeNo published plan breakdown. See the Capital One Shopping review.
JSON Viewer
Free- FreeFree
- Syntax highlighting
- Collapsible tree
- Search
Which should you pick?
Choose Capital One Shopping if
- You need price comparison.
- You want to start without paying.
- You work on Web, iOS, Android.
- You also want coupon finder.
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.
Questions people ask
- Is Capital One Shopping or JSON Viewer better?
- Neither clearly leads. Capital One Shopping 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, Capital One Shopping or JSON Viewer?
- Capital One Shopping starts at Free and JSON Viewer at Free.
- Does Capital One Shopping or JSON Viewer run on more platforms?
- Capital One Shopping runs on Web, iOS, Android. JSON Viewer runs on Chrome, Firefox, Edge.
- Can I use Capital One Shopping for free?
- Both have a free tier, so you can try either at no cost before committing.
- What can Capital One Shopping do that JSON Viewer cannot?
- Capital One Shopping covers Price comparison, Coupon finder, Price tracking, Credits rewards. JSON Viewer covers JSON formatting, Syntax highlighting, Tree view, Search functionality. Both handle Chrome support, Firefox support, Edge support.
Answered from the vendors’ own pages
Capital One Shopping: Is Capital One Shopping free?
Yes. Capital One Shopping is 100% free to install and use on desktop or mobile. There are no fees or charges.
SourceCapital One Shopping: Does Capital One Shopping require a Capital One account?
No. Capital One Shopping is free for everyone, including people who are not Capital One customers.
SourceCapital One Shopping: What platforms does Capital One Shopping support?
Capital One Shopping is available as a browser extension for desktop browsers and as a mobile app for iOS and Android.
Related pages
More on Capital One Shopping
More on JSON Viewer
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- JSON Viewer vs Pocket
- JSON Viewer vs Dark Reader
- JSON Viewer vs Raindrop.io
- JSON Viewer vs Privacy Badger
- JSON Viewer vs AdBlock Plus
- JSON Viewer vs Evernote Web Clipper
- JSON Viewer vs Instapaper
- JSON Viewer vs Awesome Screenshot
- JSON Viewer vs BuiltWith
- JSON Viewer vs Ghostery
- JSON Viewer vs Honey
- JSON Viewer vs LanguageTool
- JSON Viewer vs Mercury Reader
- JSON Viewer vs ProWritingAid
- JSON Viewer vs Rakuten
- JSON Viewer vs SimilarWeb
- JSON Viewer vs uBlock Origin
- JSON Viewer vs Hemingway Editor

