The most prominent browser extensions companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 147 companies tracked on Fsome.
| # | Company | Location | Employees | Total Funding | Last Round | Last Funded |
|---|---|---|---|---|---|---|
| 1 |
Seraphic Security
Seraphic Security is a cyber security startup that provides a robust protection …
|
Tel Aviv | — | $29.0M | Series A | 2025-01-30 |
| 2 |
Mozilla
Mozilla provides internet solutions and offers firefox, thunderbird, and raindro…
|
Mountain View | 501 - 1K | $2.3M | Angel | 2005-01-01 |
| 3 |
Kubby
Kubby develops, markets, and operates applications that allow users to shop and …
|
San Francisco | 51 - 100 | $4.0M | Seed | 2025-01-06 |
| 4 |
Guidde
Guidde provides an AI-powered platform for creating and sharing instructional vi…
|
Belmont | 101 - 250 | $76.6M | Series B | 2026-02-25 |
| 5 |
XFA
XFA secures devices by verifying security status at login via browser extension …
|
Antwerp | — | $1.8M | Seed | 2025-12-12 |
| 6 |
Kudos
Kudos provides an AI-powered smart wallet service that optimizes consumer reward…
|
Los Angeles | 11 - 50 | $20.2M | Series Unknown | 2025-04-09 |
| 7 |
Cryplex AI
Cryplex AI provides decentralized storage solutions for AI training using unused…
|
New York | 51 - 100 | $23.0M | Seed | 2025-03-15 |
| 8 |
Flow3 Network
Flow3 Network is a decentralized wireless network that lets users earn rewards b…
|
Solana | 11 - 50 | $22.0M | Pre Seed | 2025-03-19 |
| 9 |
Basket
Basket is an AI shopping companion capturing SKU-level intent and powering agent…
|
London | 11 - 50 | $7.8M | Seed | 2023-07-27 |
| 10 |
CatalyzeX
CatalyzeX is an AI code search engine and knowledge-sharing network.
|
San Francisco | 1 - 10 | $1.6M | Seed | 2021-09-22 |
| 11 |
Faircado
Faircado is making sustainable consumption easy, attractive and affordable throu…
|
Berlin | 11 - 50 | $3.2M | Pre Seed | 2024-05-28 |
| 12 |
Hifive
The Greatest GTM Engine That’s Ever Existed. Access 500+ Influential Connectors.…
|
Austin | 1 - 10 | $5.5M | Seed | 2023-09-19 |
| 13 |
Guardio
Guardio is developing tools and products to combat modern web and cloud-based th…
|
Tel Aviv | 101 - 250 | $127.0M | Series B | 2025-11-19 |
| 14 |
JSX Tool
JSX Tool is a browser-based IDE and extension that helps developers to inspect, …
|
San Francisco | 1 - 10 | $500K | Pre Seed | 2025-12-03 |
| 15 |
Yup
Crypto social network that rewards and empowers curators
|
New York | 51 - 100 | $3.5M | Series Unknown | 2024-07-24 |
| 16 |
Directo Tech, Inc - Travel Browser Extension
Free browser extension that helps hotels and property managers get more direct t…
|
Middletown | 1 - 10 | $1.0M | Pre Seed | 2024-06-27 |
| 17 |
Dex
Dex is an artificial intelligence company that provides AI assistance, customize…
|
San Francisco | 1 - 10 | $500K | Pre Seed | 2025-03-12 |
| 18 |
Lumaly
Lumaly is a digital shopping assistant that supports users across their entire s…
|
Berlin | 11 - 50 | $1.2M | Convertible Note | 2023-08-04 |
| 19 |
Arrow AI
Arrow AI provides channel browsing, content sharing, post boosting, SaaS, tools,…
|
San Francisco | 11 - 50 | $1.1M | Seed | 2022-04-06 |
| 20 |
Collabwriting
Collabwriting is a browser extension used to help share, comment, and collaborat…
|
Belgrade | 1 - 10 | $1.2M | Seed | 2024-04-18 |
| 21 |
Nametag
Nametag is a digital collector lens to search the internet for collectors, view …
|
San Francisco | 1 - 10 | $2.0M | Seed | 2022-12-14 |
| 22 |
BlueBean
BlueBean mission is to create a more sustainable business ecosystem by making sm…
|
Boston | 1 - 10 | $1.3M | Seed | 2024-02-28 |
| 23 |
WiseStamp
WiseStamp is the Email signature marketing solution of choice to help Businesses…
|
Bellevue | 51 - 100 | — | Seed | 2010-01-01 |
| 24 |
Encarte
Encarte is a browser extension bringing one-click checkout to any e-commerce sto…
|
San Francisco | 1 - 10 | $150K | Pre Seed | 2019-03-18 |
| 25 |
Fluent
Fluent is a chrome extension that helps you learn a new language while you brows…
|
Vancouver | 1 - 10 | $1.1M | Pre Seed | 2021-12-20 |
| 26 |
ZenMate
ZenMate is a software solution that encrypts its users' internet connection to p…
|
Berlin | 11 - 50 | $4.1M | Equity Crowdfunding | 2018-06-13 |
| 27 |
Nook
Nook offers a mobile calendar and collaboration application.
|
Gatineau | 1 - 10 | $1.8M | Pre Seed | 2022-10-26 |
| 28 |
1-CP
1-Click-Procurement™ - Streamlined Purchasing With A Single Click.
|
Frankfurt | 1 - 10 | $20K | Pre Seed | 2025-09-08 |
| 29 |
ShopCo Technologies
ShopCo Technologies is the parent company of the Shop.co universal cart browser …
|
San Francisco | 11 - 50 | $9.5M | Seed | 2017-02-03 |
| 30 |
Threadloom
Product discovery, Shopping, Search, Newsletters
|
Mountain View | 11 - 50 | — | Series A | 2018-07-09 |
| 31 |
Optimal Access
A platform for curating access to information and sharing your research online a…
|
Los Angeles | 1 - 10 | $250K | Pre Seed | 2022-06-22 |
| 32 |
OneOneDay
We are building the world’s largest advertising network, co-owned by every ad-vi…
|
Hong Kong | 11 - 50 | $2.3M | Seed | 2019-05-31 |
| 33 |
Trove
Chrome extension that allows you to annotate the internet.
|
San Francisco | 1 - 10 | $150K | Pre Seed | 2020-03-16 |
| 34 |
Uphint
Software that allows companies document any workflow, instantly.
|
Valencia | 1 - 10 | $107K | Seed | 2023-05-30 |
| 35 |
Pocket
Pocket is an application that allows users to save and retrieve documents and vi…
|
San Francisco | 51 - 100 | $14.5M | Series B | 2015-02-27 |
| 36 |
SURF SECURITY
SURF is an enterprise zero-trust browser & extension, creating a secure endpoint…
|
New York | 11 - 50 | — | Seed | 2022-11-07 |
| 37 |
Reibase
Reibase develops and offers digital tools that creates incentives on open source…
|
Brooklyn | 1 - 10 | — | Pre Seed | 2023-01-09 |
| 38 |
iQ Browser
iQ Browser offers a web browser that enables its users to browse by means of tab…
|
Valencia | 1 - 10 | $20.0M | Series A | 2008-06-01 |
| 39 |
Slice
Slice is developing a browser extension to help online users monetize their brow…
|
Wilmington | 1 - 10 | — | Pre Seed | 2022-11-23 |
| 40 |
Cliqz GmbH
Cliqz offers a new way to search the web: direct, fast, and clear. Surf and sear…
|
Munich, Germany | 51 - 100 | — | Undisclosed | 2016-08-23 |
| 41 |
Layar
Layar designs and develops mobile augmented reality browsers and interactive pri…
|
Amsterdam, The Netherlands | 11 - 50 | $17.1M | Series B | 2010-11-20 |
| 42 |
Brand Thunder
Brand Thunder is a digital marketing agency that improves online presence for bu…
|
Dublin, United States | 101 - 250 | $2.1M | Series A | 2010-03-01 |
| 43 |
Aspen Cloud
Aspen Cloud is a software company that offers a cloud-based multi-tasking platfo…
|
Louisville, United States | 1 - 10 | — | Seed | 2021-03-22 |
| 44 |
Super Agent
Super Agent is a browser extension and web service that will auto-accept cookies…
|
Porto, Portugal | 1 - 10 | — | Seed | 2021-01-01 |
| 45 |
Rockmelt
Rockmelt is a social browser-turned social news application.
|
Mountain View, United States | 11 - 50 | $39.9M | Series B | 2011-06-29 |
| 46 |
Maxthon
Maxthon is a global software company developing web browsers that give users a s…
|
San Francisco | 101 - 250 | — | Series Unknown | 2006-05-18 |
| 47 |
Amino
Amino is a browser extension that allows to customize any website with CSS.
|
Moscow | 1 - 10 | $118K | Pre Seed | 2014-01-31 |
| 48 |
SurfEasy
SurfEasy is a virtual private network browser security application.
|
Toronto | 11 - 50 | — | Angel | 2012-11-01 |
| 49 |
Alorum
Seoslides is an online platform that enables users to build their own SEO-optimi…
|
Palm Harbor | 1 - 10 | $200K | Seed | 2013-08-27 |
| 50 |
PolySuite
PolySuite offers a web browser, visual search engine, and related web tools with…
|
New York | 1 - 10 | $20K | Seed | 2011-04-01 |