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Browser Extensions · head to head

ColorZilla vs Violentmonkey

ColorZilla logo

ColorZilla

Browser Extensions

Advanced color picker and eyedropper

From
Free
Rated
-
Full reviewWebsite
Violentmonkey logo

Violentmonkey

Browser Extensions

Open source userscript manager

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ColorZilla no pricing information published on main website or pricing page, making cost structure unclear to potential users; Violentmonkey smaller script ecosystem compared to Tampermonkey which has larger user base and more available scripts
  • They diverge on capability: ColorZilla covers Color picker, Violentmonkey covers Userscript support.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ColorZilla and Violentmonkey actually diverge.

Attributes where ColorZilla and Violentmonkey differ
AttributeColorZillaViolentmonkey
Pricing modelfreeUnknown
Founded20072013

Identical on both: starting price (Free), free tier (Yes), platforms (Chrome, Firefox, Edge), 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 ColorZilla

  • Color picker
  • Eyedropper tool
  • Gradient generator
  • Palette analyzer

Only in Violentmonkey

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

ColorZilla

  • Extracting exact color values from website designs instantlynot Violentmonkey
  • Generating CSS gradients without returning to Photoshopnot Violentmonkey
  • Analyzing and converting visual color palettes to codenot Violentmonkey

Violentmonkey

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

Where each one falls short

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

ColorZilla

  • No pricing information published on main website or pricing page, making cost structure unclear to potential users
  • No free tier or trial option clearly advertised, limiting ability to test features before purchase

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

Pricing, plan by plan

ColorZilla

Free
  • FreeFree
    • Color picker
    • Eyedropper
    • Gradient generator

Violentmonkey

Free

No published plan breakdown. See the Violentmonkey review.

Which should you pick?

Choose ColorZilla if

  • You need color picker.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge.
  • You also want eyedropper tool.
ColorZilla review

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

Questions people ask

Is ColorZilla or Violentmonkey better?
Neither clearly leads. ColorZilla starts at Free and Violentmonkey at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ColorZilla or Violentmonkey?
ColorZilla starts at Free and Violentmonkey at Free.
Does ColorZilla or Violentmonkey run on more platforms?
Both run on Chrome, Firefox, Edge, so platform support will not decide this one for you.
Can I use ColorZilla for free?
Both have a free tier, so you can try either at no cost before committing.
What is ColorZilla best used for?
ColorZilla is most often used for extracting exact color values from website designs instantly, generating css gradients without returning to photoshop, analyzing and converting visual color palettes to code. Of those, extracting exact color values from website designs instantly and generating css gradients without returning to photoshop are not what Violentmonkey is typically brought in for.
What can ColorZilla do that Violentmonkey cannot?
ColorZilla covers Color picker, Eyedropper tool, Gradient generator, Palette analyzer. Violentmonkey covers Userscript support, Clean interface, Cloud sync, Script editor. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

ColorZilla: How much does ColorZilla cost?

ColorZilla does not publish pricing on its website. The site describes browser extensions for Firefox and Chrome, plus an online CSS gradient editor, but cost information is not available. Users must contact the company directly or check browser extension marketplaces for availability and cost details.

Source
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
ColorZilla: Is ColorZilla free to use?

The website does not specify whether ColorZilla tools are free or paid. While browser extensions are often offered free in extension stores, the online tools and their pricing model are not documented on the main site.

Source
Violentmonkey: What browsers does Violentmonkey support?

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

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
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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