Browser Extensions · head to head
JSON Viewer vs SimilarWeb
SimilarWeb
Browser Extensions
Website traffic and competitive analysis
- From
- Free
- Rated
- -
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; SimilarWeb browser extension data accuracy is lower than full platform
- They diverge on capability: JSON Viewer covers JSON formatting, SimilarWeb covers Traffic analytics.
Where they differ
Only the attributes on which JSON Viewer and SimilarWeb actually diverge.
| Attribute | JSON Viewer | SimilarWeb |
|---|---|---|
| Pricing model | free | freemium |
| Platforms | Chrome, Firefox, Edge | Web, Browser Extension |
| Category | Browser Extensions | Unknown |
| Founded | 2015 | 2007 |
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
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 SimilarWeb
- Traffic analytics
- Audience insights
- Competitor research
- Industry analysis
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.
JSON Viewer
- The project is MIT licensed open source code hosted on GitHub with no vendor and no paid tier
SimilarWeb
- Browser extension data accuracy is lower than full platform
- Full platform pricing is not transparent and requires quote-based inquiry
Pricing, plan by plan
JSON Viewer
Free- FreeFree
- Syntax highlighting
- Collapsible tree
- Search
SimilarWeb
Free- FreeFree
- Traffic overview
- Engagement metrics
- Similar sites
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.
Choose SimilarWeb if
- You need traffic analytics.
- You want to start without paying.
- You work on Web, Browser Extension.
- You also want audience insights.
Questions people ask
- Is JSON Viewer or SimilarWeb better?
- Neither clearly leads. JSON Viewer starts at Free and SimilarWeb at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, JSON Viewer or SimilarWeb?
- JSON Viewer starts at Free and SimilarWeb at Free.
- Does JSON Viewer or SimilarWeb run on more platforms?
- JSON Viewer runs on Chrome, Firefox, Edge. SimilarWeb runs on Web, Browser Extension.
- 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 SimilarWeb cannot?
- JSON Viewer covers JSON formatting, Syntax highlighting, Tree view, Search functionality. SimilarWeb covers Traffic analytics, Audience insights, Competitor research, Industry analysis. Both handle Chrome support, Firefox support, Edge support.
Answered from the vendors’ own pages
SimilarWeb: Is the SimilarWeb browser extension free?
Yes. The SimilarWeb browser extension is completely free to install and use with no paid tiers and no credit card required.
SourceSimilarWeb: How many websites does SimilarWeb cover?
SimilarWeb provides access to intelligence from 1B+ websites and 8M apps, tracks 5B search terms and 250M display ads across 190 countries and 210 industries.
SourceSimilarWeb: How accurate is SimilarWeb extension data?
Browser extension data accuracy is lower than the full platform, but it is adequate for ballpark figures of traffic estimates.
Source