Browser Extensions · head to head
BuiltWith vs Dark Reader
The short version
- Each has a real cost: BuiltWith free tier limited to individual site lookups only; no commercial use or reporting; Dark Reader cannot modify PDF files displayed in browsers
- They diverge on capability: BuiltWith covers Technology profiling, Dark Reader covers Dark mode.
Where they differ
Only the attributes on which BuiltWith and Dark Reader actually diverge.
| Attribute | BuiltWith | Dark Reader |
|---|---|---|
| Platforms | Web | Chrome, Firefox, Safari, Edge |
| Founded | 2007 | 2014 |
Identical on both: starting price (Free), pricing model (Unknown), 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 BuiltWith
- Technology profiling
- Market research
- Competitor analysis
- Lead generation
Only in Dark Reader
- Dark mode
- Custom brightness
- Contrast adjustment
- Site-specific settings
- Safari 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.
BuiltWith
- Technology intelligence for identifying web technologies used by competitor companiesnot Dark Reader
- Lead generation using technology adoption and spend data signalsnot Dark Reader
Dark Reader
- Applying dark mode to websites that don't natively support itnot BuiltWith
- Reducing eye strain for night-time or extended browsingnot BuiltWith
- Per-site brightness, contrast, and sepia customizationnot BuiltWith
- Toggling dark mode on/off per domainnot BuiltWith
- Accessibility use for light-sensitive usersnot BuiltWith
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
BuiltWith
- Free tier limited to individual site lookups only; no commercial use or reporting
- Basic plan limited to 2 technologies, 2 keywords, 2 retail reports, and 1 system login
Dark Reader
- Cannot modify PDF files displayed in browsers
- Performance impact on devices with limited resources
Pricing, plan by plan
BuiltWith
FreeNo published plan breakdown. See the BuiltWith review.
Dark Reader
FreeNo published plan breakdown. See the Dark Reader review.
Which should you pick?
Choose BuiltWith if
- You need technology profiling.
- You want to start without paying.
- You also want market research.
Choose Dark Reader if
- You need dark mode.
- You want to start without paying.
- You work on Chrome, Firefox, Safari, Edge.
- You also want custom brightness.
Questions people ask
- Is BuiltWith or Dark Reader better?
- Neither clearly leads. BuiltWith starts at Free and Dark Reader at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, BuiltWith or Dark Reader?
- BuiltWith starts at Free and Dark Reader at Free.
- Does BuiltWith or Dark Reader run on more platforms?
- BuiltWith runs on Web. Dark Reader runs on Chrome, Firefox, Safari, Edge.
- Can I use BuiltWith for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is BuiltWith best used for?
- BuiltWith is most often used for technology intelligence for identifying web technologies used by competitor companies, lead generation using technology adoption and spend data signals. Of those, technology intelligence for identifying web technologies used by competitor companies and lead generation using technology adoption and spend data signals are not what Dark Reader is typically brought in for.
- What can BuiltWith do that Dark Reader cannot?
- BuiltWith covers Technology profiling, Market research, Competitor analysis, Lead generation. Dark Reader covers Dark mode, Custom brightness, Contrast adjustment, Site-specific settings. Both handle Chrome support, Firefox support, Edge support.
Answered from the vendors’ own pages
Dark Reader: Is Dark Reader free to use?
Yes, Dark Reader is completely free with no ads and no tracking. It does not send user data anywhere.
SourceDark Reader: How can I customize the dark mode in Dark Reader?
Users can configure brightness, contrast, and sepia filter settings to suit their specific needs, and selectively enable or disable Dark Reader for specific websites.
SourceDark Reader: What browsers does Dark Reader support?
Dark Reader is available for Chrome, Firefox, Safari, and Edge browsers across desktop and mobile platforms.
SourceDark Reader: Does Dark Reader work offline?
Yes, Dark Reader runs entirely on your device with no external dependencies. It analyzes web pages locally to generate dark themes.
Source