3Cols

3Cols

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.
3Cols image
organization productivity browser-extension

3Cols: View Multiple Columns on Websites

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.

What is 3Cols?

3Cols is a free and open-source browser extension for Google Chrome that allows users to view webpages in three columns. This can help increase productivity in many use cases such as:

  • Researching topics - The three column view makes it easy to open multiple tabs for comparing information.
  • Reading long articles or blog posts - The columns provide a newspaper like reading experience.
  • Checking emails - You can have the email list on one side and open messages in the other columns.
  • Online shopping - Open product listings and product pages side-by-side.

Some key features of 3Cols include:

  • Drag and drop tabs to rearrange columns
  • Adjustable column widths
  • Keyboard shortcuts for tab management
  • Support for opening popup windows and external links in columns
  • Retains column layout on new tabs
  • Available completely free with no ads

3Cols is a lightweight yet powerful way to view more content at once in your browser. It can help boost reading comprehension, multitasking ability, and overall productivity.

3Cols Features

Features

  1. View 3 columns on webpages
  2. Customizable column widths
  3. Keyboard shortcuts
  4. Syncs across devices
  5. Open source

Pricing

  • Free
  • Open source

Pros

Increases productivity

Good for research/reading

Works on many sites

Free

Customizable

Cons

Only available as Chrome extension

Requires manual column adjustment

No mobile app


The Best 3Cols Alternatives

Top Productivity and Web Browser Extensions and other similar apps like 3Cols


SnippetsLab icon

SnippetsLab

SnippetsLab is a versatile code snippet manager application for macOS. It helps developers organize, search, store and quickly access code snippets. Some of the key features include:Intuitive interface to create, edit, tag and search snippetsSupport for a wide range of programming languages and formats like Text, Markdown, HTML, JSON etc.Powerful...
SnippetsLab image
MassCode icon

MassCode

massCode is a free, open-source, lightweight code editor that has powerful IDE-like capabilities for web development. It provides a minimal and clean interface while still including robust features to improve coding efficiency.Some key features of massCode include:Syntax highlighting for HTML, CSS, JavaScript, and other web languagesIntelligent code completion and error...
MassCode image
Cacher icon

Cacher

Cacher is an open-source alternative to Postman focused on API development and testing. Some key features of Cacher include:Intuitive interface to create, save, organize and test APIsCollaboration tools like workspaces, comments, permissions to work with teamsCode generation to quickly build app scaffolds from APIsMock servers to simulate API endpoints and...
Cacher image
Lepton icon

Lepton

Lepton is an open-source image optimization tool developed by Dropbox engineers. It allows you to compress images with minimal quality loss using advanced techniques like trellis quantization and Butteraugli comparisons. Some key features of Lepton include:Lightweight and fast - Lepton is focused specifically on image optimization, so it's very performant.Lossy...
Lepton image
Codelr icon

Codelr

Codelr is a cloud-based integrated development environment (IDE) and code editor designed for software developers and programmers. It provides a browser-based workspace for writing, editing, running, and debugging code in various programming languages.Some key features of Codelr include:Supports popular languages like Python, JavaScript, Java, C++, and moreIntelligent code completion and...
Vsnipp icon

Vsnipp

Vsnipp is a free, open source code snippet manager designed specifically for developers. It provides a simple yet powerful interface for storing, organizing, searching and accessing reusable code snippets.Some of the key features of Vsnipp include:Intuitive tag-based organization system that allows you to categorize snippets for easy discovery laterFlexible code...