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Browser Extensions · head to head

Violentmonkey vs WhatFont

Violentmonkey logo

Violentmonkey

Browser Extensions

Open source userscript manager

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: Violentmonkey smaller script ecosystem compared to Tampermonkey which has larger user base and more available scripts; WhatFont can only detect web-safe fonts and fonts loaded via web font services
  • They diverge on capability: Violentmonkey covers Userscript support, WhatFont covers Font detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Violentmonkey and WhatFont actually diverge.

Attributes where Violentmonkey and WhatFont differ
AttributeViolentmonkeyWhatFont
PlatformsChrome, Firefox, EdgeChrome, Firefox, Arc
Founded20132011

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 Violentmonkey

  • Userscript support
  • Clean interface
  • Cloud sync
  • Script editor
  • Opera support

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.

Violentmonkey

  • Run open-source userscripts to customize or automate web pagesnot WhatFont
  • Import scripts compatible with Greasemonkey and Tampermonkey formatsnot WhatFont
  • Sync scripts and settings across browsers via Dropbox, OneDrive, Google Drive, or WebDAVnot WhatFont
  • Batch import/export scripts as zip filesnot WhatFont

WhatFont

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

Where each one falls short

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

Violentmonkey

  • Smaller script ecosystem compared to Tampermonkey which has larger user base and more available scripts
  • Less marketing and visibility results in lower adoption compared to more widely-known alternatives
  • Community maintenance model means slower feature development compared to commercial alternatives

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

Violentmonkey

Free

No published plan breakdown. See the Violentmonkey review.

WhatFont

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

Which should you pick?

Choose Violentmonkey if

  • You need userscript support.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge.
  • You also want clean interface.
Violentmonkey 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 Violentmonkey or WhatFont better?
Neither clearly leads. Violentmonkey 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, Violentmonkey or WhatFont?
Violentmonkey starts at Free and WhatFont at Free.
Does Violentmonkey or WhatFont run on more platforms?
Violentmonkey runs on Chrome, Firefox, Edge. WhatFont runs on Chrome, Firefox, Arc.
Can I use Violentmonkey for free?
Both have a free tier, so you can try either at no cost before committing.
What is Violentmonkey best used for?
Violentmonkey is most often used for run open-source userscripts to customize or automate web pages, import scripts compatible with greasemonkey and tampermonkey formats, sync scripts and settings across browsers via dropbox, onedrive, google drive, or webdav, batch import/export scripts as zip files. Of those, run open-source userscripts to customize or automate web pages and import scripts compatible with greasemonkey and tampermonkey formats are not what WhatFont is typically brought in for.
What can Violentmonkey do that WhatFont cannot?
Violentmonkey covers Userscript support, Clean interface, Cloud sync, Script editor. WhatFont covers Font detection, Typography info, Service detection, Hover inspection. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Violentmonkey: Is Violentmonkey open-source?

Yes. Violentmonkey is fully open-source and available on GitHub, making it free to use and community-maintained unlike Tampermonkey which has a larger proprietary ecosystem.

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
Violentmonkey: What browsers does Violentmonkey support?

Violentmonkey works on browsers with WebExtensions support, including Chrome, Firefox, Edge, and other Chromium-based browsers.

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
Violentmonkey: How does Violentmonkey compare to Tampermonkey in performance?

Community benchmarks show Violentmonkey uses about 15 to 30 percent less RAM on Chrome compared to Tampermonkey when managing many open tabs.

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
Violentmonkey: What is the current version of Violentmonkey?

Violentmonkey reached version 2.46.0 as of July 31, 2026, with active ongoing development and regular updates to the open-source project.

Source
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