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Browser Extensions · head to head

Night Eye vs Wappalyzer

Night Eye logo

Night Eye

Browser Extensions

Dark mode on any website

From
Free
Rated
-
Full reviewWebsite
Wappalyzer logo

Wappalyzer

Browser Extensions

Identify web technologies

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Night Eye can impact browser performance, especially on older or less powerful devices due to color conversion processing; Wappalyzer cannot detect server-side or hidden technologies without client-side footprints
  • They diverge on capability: Night Eye covers Dark mode, Wappalyzer covers Technology detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Night Eye and Wappalyzer actually diverge.

Attributes where Night Eye and Wappalyzer differ
AttributeNight EyeWappalyzer
PlatformsChrome, Safari, Edge, Firefox, Opera, BraveChrome, Firefox, Edge, Web
Founded20182009

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 Night Eye

  • Dark mode
  • Color analysis
  • Image preservation
  • Per-site settings
  • Safari support
  • Opera support

Only in Wappalyzer

  • Technology detection
  • CMS identification
  • Framework analysis
  • Analytics tracking

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

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

Night Eye

  • Force a consistent dark mode on websites that don't natively support onenot Wappalyzer
  • Reduce eye strain and blue light exposure during night browsing via a built-in blue-light filternot Wappalyzer
  • Per-site color, brightness, contrast, and saturation customizationnot Wappalyzer
  • Selectively convert only icons/small images rather than full images to preserve visual fidelity in dark modenot Wappalyzer

Wappalyzer

  • Building target prospect lists filtered by specific technology adoptionnot Night Eye
  • Detecting when competitors migrate to new development stacksnot Night Eye
  • Enriching CRM records with discovered technology stack informationnot Night Eye
  • Identifying timing signals from prospect infrastructure changesnot Night Eye

Where each one falls short

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

Night Eye

  • Can impact browser performance, especially on older or less powerful devices due to color conversion processing
  • Ineffective on web applications with fixed color schemes that cannot be altered
  • Does not work offline or on non-web content
  • Limited customization on websites that have their own built-in dark mode implementation

Wappalyzer

  • Cannot detect server-side or hidden technologies without client-side footprints
  • Went closed-source in 2023; self-hosting now difficult without maintaining community forks
  • Data export features locked to Business plan ($450/month) minimum

Pricing, plan by plan

Night Eye

Free
  • LiteFree
    • Dark mode on up to 5 websites
    • No ads
  • Pro$9/year
    • Up to 3 browsers
  • Pro Max$14/year
    • Up to 6 browsers
  • Lifetime$40/mo
    • Unlimited browsers
    • Lifetime updates

Wappalyzer

Free

No published plan breakdown. See the Wappalyzer review.

Which should you pick?

Choose Night Eye if

  • You need dark mode.
  • You want to start without paying.
  • You work on Chrome, Safari, Edge, Firefox, Opera, Brave.
  • You also want color analysis.
Night Eye review

Choose Wappalyzer if

  • You need technology detection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Web.
  • You also want cms identification.
Wappalyzer review

Questions people ask

Is Night Eye or Wappalyzer better?
Neither clearly leads. Night Eye starts at Free and Wappalyzer at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Night Eye or Wappalyzer?
Night Eye starts at Free and Wappalyzer at Free.
Does Night Eye or Wappalyzer run on more platforms?
Night Eye runs on Chrome, Safari, Edge, Firefox, Opera, Brave. Wappalyzer runs on Chrome, Firefox, Edge, Web.
Can I use Night Eye for free?
Both have a free tier, so you can try either at no cost before committing.
What is Night Eye best used for?
Night Eye is most often used for force a consistent dark mode on websites that don't natively support one, reduce eye strain and blue light exposure during night browsing via a built-in blue-light filter, per-site color, brightness, contrast, and saturation customization, selectively convert only icons/small images rather than full images to preserve visual fidelity in dark mode. Of those, force a consistent dark mode on websites that don't natively support one and reduce eye strain and blue light exposure during night browsing via a built-in blue-light filter are not what Wappalyzer is typically brought in for.
What can Night Eye do that Wappalyzer cannot?
Night Eye covers Dark mode, Color analysis, Image preservation, Per-site settings. Wappalyzer covers Technology detection, CMS identification, Framework analysis, Analytics tracking. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Night Eye: What is Night Eye?

Night Eye is a browser extension that applies dark mode to websites by analyzing page colors and converting them into a comfortable dark theme. It preserves photos and videos and offers customization options for brightness, contrast, and blue light filtering.

Source
Wappalyzer: Does Wappalyzer have a free version?

Yes. Wappalyzer's browser extension is completely free and provides unlimited technology lookups with no account required. The free tier includes basic website technology detection across all categories.

Source
Night Eye: What is the pricing for Night Eye?

Night Eye Lite is free with dark mode on up to 5 websites. Night Eye Pro costs $9/year for up to 3 browsers, Night Eye Pro Max costs $14/year for up to 6 browsers, and lifetime updates cost $40 for unlimited use across 10 browsers.

Source
Wappalyzer: What are the paid pricing tiers for Wappalyzer?

Wappalyzer's paid plans start at $250/month for Pro (5,000 lookups, 1 user), $450/month for Business (20,000 lookups, 5 users, API access), and $850+/month for Enterprise (200,000+ lookups, 25+ users). Annual billing offers 17% discount.

Source
Night Eye: Which browsers does Night Eye support?

Night Eye is available for Chrome, Safari, Microsoft Edge, Firefox, Opera, Brave, and other Chromium-based browsers.

Source
Wappalyzer: Can Wappalyzer detect all website technologies?

Wappalyzer detects over 1,000 technologies but cannot detect server-side or hidden technologies, backend infrastructure, internal databases, or ERP systems with no client-side footprint.

Source
Night Eye: Does Night Eye track my browsing?

No. Night Eye does not monitor, process, or store browsing activity. Webpage conversion is performed locally on the user's device. No ads appear in the free Lite version.

Source
Wappalyzer: Can Wappalyzer be self-hosted?

Wappalyzer went closed-source in 2023 when the GitHub repository was taken down. It can be deployed via Docker or npm, but the community-contributed fingerprint database is now part of the commercial product. Open-source forks are available but not officially maintained.

Source
Wappalyzer: What integrations does Wappalyzer offer?

Wappalyzer integrates with CRM systems like Salesforce and HubSpot, and supports lead list exports and API access for business users on paid plans.

Source
Wappalyzer: When does Wappalyzer data export become available?

Data export and lead list generation features are only available on the Business plan ($450/month) and above, not on the Pro tier.

Source
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