Browser Extensions · head to head
Dark Reader vs BuiltWith
The short version
- Each has a real cost: Dark Reader cannot modify PDF files displayed in browsers; BuiltWith free tier limited to individual site lookups only; no commercial use or reporting
- They diverge on capability: Dark Reader covers Dark mode, BuiltWith covers Technology profiling.
Where they differ
Only the attributes on which Dark Reader and BuiltWith actually diverge.
| Attribute | Dark Reader | BuiltWith |
|---|---|---|
| Platforms | Chrome, Firefox, Safari, Edge | Web |
| Founded | 2014 | 2007 |
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 Dark Reader
- Dark mode
- Custom brightness
- Contrast adjustment
- Site-specific settings
- Safari support
Only in BuiltWith
- Technology profiling
- Market research
- Competitor analysis
- Lead generation
Both cover
- Chrome support
- Firefox support
- Edge support
What people use each for
The jobs each tool is most often brought in to do.
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
BuiltWith
- Technology intelligence for identifying web technologies used by competitor companiesnot Dark Reader
- Lead generation using technology adoption and spend data signalsnot Dark Reader
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Dark Reader
- Cannot modify PDF files displayed in browsers
- Performance impact on devices with limited resources
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
Pricing, plan by plan
Dark Reader
FreeNo published plan breakdown. See the Dark Reader review.
BuiltWith
FreeNo published plan breakdown. See the BuiltWith review.
Which should you pick?
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.
Choose BuiltWith if
- You need technology profiling.
- You want to start without paying.
- You also want market research.
Questions people ask
- Is Dark Reader or BuiltWith better?
- Neither clearly leads. Dark Reader starts at Free and BuiltWith at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Dark Reader or BuiltWith?
- Dark Reader starts at Free and BuiltWith at Free.
- Does Dark Reader or BuiltWith run on more platforms?
- Dark Reader runs on Chrome, Firefox, Safari, Edge. BuiltWith runs on Web.
- Can I use Dark Reader for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Dark Reader best used for?
- Dark Reader is most often used for applying dark mode to websites that don't natively support it, reducing eye strain for night-time or extended browsing, per-site brightness, contrast, and sepia customization, toggling dark mode on/off per domain. Of those, applying dark mode to websites that don't natively support it and reducing eye strain for night-time or extended browsing are not what BuiltWith is typically brought in for.
- What can Dark Reader do that BuiltWith cannot?
- Dark Reader covers Dark mode, Custom brightness, Contrast adjustment, Site-specific settings. BuiltWith covers Technology profiling, Market research, Competitor analysis, Lead generation. 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