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Extension Startup Ideas

5 years ago

A browser extension that tracks the cost of your everyday items (fries, cup of coffee, etc.) over time and cross-references this data with the Starbucks menu. In addition to the main purpose of tracking your coffee expenses, the tool also allows users to find out if they are spending more than they should and how to cut back.

545

4 years ago

A tool for creating and executing marketing and sales campaigns. Available as a Slack bot and as a browser extension, and also as a mobile app.

240

4 years ago

A company building a browser extension that adds web-based editing to Microsoft Word, enabling users to do everything from adding images to creating tables and charts.

234

4 years ago

A B2C startup that aims to help users better identify the right tool for a given task. Resolve is a feature-rich, chrome-based extension that can be added to any website. Since Resolve launched, over 100,000 people have installed it, and they’ve already been able to make around $1,000,000 from the app.

218

5 years ago

It’s a Chrome extension that helps you create a to-do list and also adds a new to-do item to your calendar. The startup has raised $2.2 million so far.

196

5 years ago

A Chrome extension that lets you keep a record of sites and the articles you read.

183

5 years ago

A Chrome extension for user engagement with online content by “pinning” content to the top of the browser.

174

5 years ago

A Chrome extension that lets you monitor and report on the state of your own website.

173

4 years ago

A company that’s building a browser extension so users can automatically sign up for credit card promotions, using the credit cards they already own.

171

4 years ago

A browser extension that lets you easily connect to your favorite messaging apps in one place.

167

5 years ago

A company building a browser extension to help you organize your e-mail inbox.

166

3 years ago

A patent-pending tool that helps enterprise businesses get their legal documents in order faster. It comes with a browser extension for Chrome and Firefox that automatically creates and fills out legal forms as you draft them, based on your input.

162

5 years ago

A Chrome extension that makes it easier for brands to create Facebook Live videos.

160

5 years ago

A Chrome extension for the visual management of your documents, allowing you to view and edit documents in your browser.

154

3 years ago

A standalone Chrome extension that helps people find the best local photo-sharing service, with a built-in map to help users discover new services.

154

5 years ago

A Chrome extension that converts your clipboard to a URL, allowing you to share it as a link.

153

5 years ago

A tool to help companies manage multiple workflows and processes for a single project. It’s available as a Chrome extension.

150

5 years ago

A browser extension for Google Chrome that allows you to search for and filter in-app ads.

149

5 years ago

A browser extension that lets you easily find free Wi-Fi, or a coupon for free Wi-Fi at an airport or hotel, and a reputation system to make sure you can always find good free Wi-Fi.

138

5 years ago

A Chrome extension that turns any website into a mobile app shop. Employs a “re-imagined” version of Google’s well-known design language.

130

5 years ago

A Chrome extension that helps people find the best dog-friendly outfitters to take their dog hiking

130

5 years ago

There’s a huge amount of open software in the world, but there’s also a huge amount of open source software. The company has built a platform that curates open source projects, allowing others to easily see what’s out there. The team is currently working on a browser extension, and says they’ve had “hundreds” of companies use the platform to create software.

124

3 years ago

A Chrome extension that helps you make and save notes.

120

5 years ago

A new startup that aims to bring the popular online chats of Twitch, Facebook, Reddit, and Twitter together into a single video-based chat platform. They’ve built a Chrome extension that lets you embed Twitch, Reddit, or Twitter into a video chat.

114

3 years ago

A browser extension that lets you auto-like posts on Facebook

111

5 years ago

A platform for managing and selling social media accounts. The company plans to make a browser extension that will place your social media feed in a dashboard for you to see, and then allow you to manage all of your social media accounts from one place. It’s expected to raise $20 million in a Series A.

108

5 years ago

A browser extension that lets users embed a Google Analytics account into their blog or website, with the added bonus that it will also track the page views. It’s a simple idea, but one that could be very useful to small businesses.

102

3 years ago

A mobile app and browser extension that helps users find the cheapest flights based on their specific route, date, and time of day.

101

5 years ago

A platform for educators to receive classroom feedback easily. The platform is designed to be an extension of the teacher’s phone, allowing them to receive instant feedback from the classroom.

98

3 years ago

A company that makes a toolkit for schools that helps them use the web to learn. The company has built a Chrome extension that helps teachers and administrators build interactive lessons and activities on the web.

95

4 years ago

A company that creates and sells software to let people leave reviews for products they’ve purchased online. The startup’s first product is a Chrome browser extension.

90

4 years ago

A browser extension for Chrome that allows users to find information about a website, like who runs it or what its purpose is.

87

4 years ago

A company that makes a Chrome extension that aggregates all the tabs you have open in various web apps

81

4 years ago

The startup is a social platform for people to share and watch videos about the uses of things like vacuum cleaners, scissors, and extension cords.

77

4 years ago

A startup that’s building a browser extension that allows you to search and select content on a website, like you’d do on Google Images.

69

2 years ago

A tool to help employees organize their to-do lists so they can focus on the important ones. It’s currently available as a Chrome extension.

67

4 years ago

The startup is working on a browser extension that makes it easy to find items on the Amazon website that are eligible for Prime shipping.

66

3 years ago

A startup that wants to trip up criminals on the dark web with its browser extensions, which will show you where the site is hosted and how secure it is.

65

4 years ago

A startup that helps engagement teams better track and manage feedback from their users. The startup uses a Chrome extension and inside-out analytics to measure interaction between users and the apps they use.

63

3 years ago

A browser extension that adds a feature to Gmail that lets users keep track of the time they spend on each email, and using Gmail’s search features, easily find and archive emails that take up more time.

63

3 years ago

As an extension of its first-generation product, Foodpad is building a way for people to share their favorite recipes and meals with others in an easy-to-use format. Foodpad has been in beta since May.

58

3 years ago

A Chrome extension that makes it easy to style web pages with various colors and layouts.

54

3 years ago

This startup is building a browser extension that tracks and analyzes the analytics from your social media activity.

53

3 years ago

A Toronto-based startup that makes a browser extension that lets you search for nearby restaurants and bars, review them, and make reservations.

52

3 years ago

A browser extension that turns your browser into a full-fledged game board with a deck of cards, game pieces, and game rules.

48

3 years ago

A Chrome and Firefox extension that turns a link or a picture into a QR code.

47

3 years ago

A Chrome extension that takes screenshots of text on a page and sends them to a Dropbox folder, so you can easily search through them later.

47

3 years ago

A tool that allows people to create shortcuts to files and apps and pull them up quickly. The startup also has a Chrome extension.

44

2 years ago

An extension to the existing Airbnb mobile app to allow users to quickly book a room, making the booking process faster and easier.

41

3 years ago

A Chrome extension that lets you “click and type” to create text and images that can be shared across social networks.

37

3 years ago

A SaaS service that helps retail companies better understand what their customers are doing online, and engage with them in real-time. It’s an extension of the company’s existing analytics offering, which helps retailers understand what their customers are buying, and then use that information to sell to them.

36

2 years ago

A browser extension for Chrome, Firefox, Safari and IE that allows you to “confirm” the authenticity of website links.

33

2 years ago

This startup is building a data visualizer, or a browser extension, that makes it easy to keep track of all the important numbers in your life.

33

2 years ago

A Chrome extension that makes it easy to find and redeem coupons on sites like Groupon and Living Social. Coupons for the essentials like groceries, electronics, and restaurants are built into the extension.

30

2 years ago

An online marketplace for hair extensions. The startup has signed up 30,000 stylists in the US, but plans to expand internationally in the coming year.

30

2 years ago

The app helps employees to create and manage their workflows for tasks that need to be done. It’s currently available as a Chrome extension and is based on a similar tool called Todoist.

28

3 years ago

A new kind of browser extension that lets users search the web from any browser and filter results by country.

27

2 years ago

A company that helps entrepreneurs and developers make apps for the web and mobile. They have a Chrome Extension that helps developers test their apps on Google Chrome, and a mobile app that helps startups find users for their apps.

27

2 years ago

A browser extension that can identify malicious links on social networks, and allow users to report them.

27

2 years ago

This is a browser extension for desktop computers that will help developers find new ways to monetize their sites.

15

3 days ago 1 views

A platform for creators to build and sell AI-powered browser extensions that automate personalized tasks like social media scheduling or email triage.

-3

4 days ago 1 views

Browser extension that auto-generates personalized outreach emails by analyzing LinkedIn profiles and recent news mentions.

-9

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