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3Cols vs User JavaScript and CSS

A side-by-side look at 3Cols and User JavaScript and CSS. For an in-depth review of either product, follow the links below.

3Cols

3Cols

Productivity

3Cols is a free and open-source browser extension for Google Chrome that allows you to view three columns on many websites. It helps increase productivity when researching, reading articles, checking emails, online shopping, and more.

organizationproductivitybrowser-extension
Full review → Alternatives
User JavaScript and CSS

User JavaScript and CSS

Web Browsers

User JavaScript and CSS allows you to customize webpages by injecting your own JavaScript and CSS code. It gives you fine-grained control to modify page behavior and styling.

javascriptcsscustomizeinjectcode
Full review → Alternatives

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