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Browser Extensions · head to head

ColorZilla vs Stylus

ColorZilla logo

ColorZilla

Browser Extensions

Advanced color picker and eyedropper

From
Free
Rated
-
Full reviewWebsite
Stylus logo

Stylus

Browser Extensions

Restyle the web with custom CSS

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; Stylus crashes and instability when applying certain styles
  • They diverge on capability: ColorZilla covers Color picker, Stylus covers Custom CSS injection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ColorZilla and Stylus actually diverge.

Attributes where ColorZilla and Stylus differ
AttributeColorZillaStylus
PlatformsChrome, Firefox, EdgeChrome, Firefox, Edge, Opera
Founded20072017

Identical on both: starting price (Free), pricing model (free), 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 ColorZilla

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

Only in Stylus

  • Custom CSS injection
  • Style management
  • userstyles.world integration
  • Built-in 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 Stylus
  • Generating CSS gradients without returning to Photoshopnot Stylus
  • Analyzing and converting visual color palettes to codenot Stylus

Stylus

  • Customizing website appearance with community-created CSS themesnot ColorZilla
  • Writing personal style overrides for specific websitesnot ColorZilla
  • Managing multiple styles across different websites automaticallynot ColorZilla
  • Searching and installing user-styles for current websitesnot ColorZilla
  • Migrating style collections from Stylish extensionnot 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

Stylus

  • Crashes and instability when applying certain styles
  • No visual element selector tool for identifying page elements to style
  • Security risk if downloading and applying untrusted user-created styles

Pricing, plan by plan

ColorZilla

Free
  • FreeFree
    • Color picker
    • Eyedropper
    • Gradient generator

Stylus

Free
  • FreeFree
    • Custom CSS
    • Style library
    • Style editor

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 Stylus if

  • You need custom css injection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Opera.
  • You also want style management.
Stylus review

Questions people ask

Is ColorZilla or Stylus better?
Neither clearly leads. ColorZilla starts at Free and Stylus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ColorZilla or Stylus?
ColorZilla starts at Free and Stylus at Free.
Does ColorZilla or Stylus run on more platforms?
ColorZilla runs on Chrome, Firefox, Edge. Stylus runs on Chrome, Firefox, Edge, Opera.
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 Stylus is typically brought in for.
What can ColorZilla do that Stylus cannot?
ColorZilla covers Color picker, Eyedropper tool, Gradient generator, Palette analyzer. Stylus covers Custom CSS injection, Style management, userstyles.world integration, Built-in 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
Stylus: Is Stylus free?

Yes. Stylus is completely free and open-source, available for Chrome, Firefox, Edge, and Opera browsers.

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
Stylus: Can I use Stylus to change the browser UI?

No. Due to WebExtensions security restrictions, Stylus can only customize website pages, not the browser interface itself.

Source
Stylus: What CSS pre-processors does Stylus support?

Stylus supports CSS, LESS, and Stylus syntax with built-in linting using Stylelint and CSSLint-mod with customizable rules.

Source
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