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Browser Extensions · head to head

Wappalyzer vs WhatFont

Wappalyzer logo

Wappalyzer

Browser Extensions

Identify web technologies

From
Free
Rated
-
Full reviewWebsite
WhatFont logo

WhatFont

Browser Extensions

Identify fonts on web pages

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Wappalyzer cannot detect server-side or hidden technologies without client-side footprints; WhatFont can only detect web-safe fonts and fonts loaded via web font services
  • They diverge on capability: Wappalyzer covers Technology detection, WhatFont covers Font detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Wappalyzer and WhatFont actually diverge.

Attributes where Wappalyzer and WhatFont differ
AttributeWappalyzerWhatFont
PlatformsChrome, Firefox, Edge, WebChrome, Firefox, Arc
Founded20092011

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 Wappalyzer

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

Only in WhatFont

  • Font detection
  • Typography info
  • Service detection
  • Hover inspection
  • 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.

Wappalyzer

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

WhatFont

  • Identifying typefaces used on competitor websites for design researchnot Wappalyzer
  • Sourcing font inspiration from high-performing landing pagesnot Wappalyzer
  • Discovering web font services like Google Fonts or Typekit on sitesnot Wappalyzer

Where each one falls short

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

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

WhatFont

  • Can only detect web-safe fonts and fonts loaded via web font services
  • Does not work on images with embedded text or rasterized typography
  • Limited to inspecting single text elements at a time

Pricing, plan by plan

Wappalyzer

Free

No published plan breakdown. See the Wappalyzer review.

WhatFont

Free
  • FreeFree
    • Font inspection on any website
    • Font family identification
    • Font size and weight detection

Which should you pick?

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

Choose WhatFont if

  • You need font detection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Arc.
  • You also want typography info.
WhatFont review

Questions people ask

Is Wappalyzer or WhatFont better?
Neither clearly leads. Wappalyzer starts at Free and WhatFont at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Wappalyzer or WhatFont?
Wappalyzer starts at Free and WhatFont at Free.
Does Wappalyzer or WhatFont run on more platforms?
Wappalyzer runs on Chrome, Firefox, Edge, Web. WhatFont runs on Chrome, Firefox, Arc.
Can I use Wappalyzer for free?
Both have a free tier, so you can try either at no cost before committing.
What is Wappalyzer best used for?
Wappalyzer is most often used for building target prospect lists filtered by specific technology adoption, detecting when competitors migrate to new development stacks, enriching crm records with discovered technology stack information, identifying timing signals from prospect infrastructure changes. Of those, building target prospect lists filtered by specific technology adoption and detecting when competitors migrate to new development stacks are not what WhatFont is typically brought in for.
What can Wappalyzer do that WhatFont cannot?
Wappalyzer covers Technology detection, CMS identification, Framework analysis, Analytics tracking. WhatFont covers Font detection, Typography info, Service detection, Hover inspection. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

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
WhatFont: How do I use WhatFont to inspect fonts?

Click the WhatFont icon in your browser toolbar to activate it, then hover over any text on a webpage to see the font name and details in a pop-up. Click the text to reveal additional information like font style, weight, color, and font samples.

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
WhatFont: What browsers does WhatFont support?

WhatFont works on Google Chrome, Firefox, and Arc browser. It is available as a free extension in each browser's extension store.

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
WhatFont: Is WhatFont free?

Yes. WhatFont is a completely free browser extension with no paid tier or premium features. It is maintained as a free tool for designers and developers.

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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