Capacities Web Extension Firefox

Capacities Web Extension

Save website URLs, titles and cover images directly to Capacities

Features & Capabilities

The Capacities Web Extension is a powerful tool designed to help you capture and organize web content effortlessly. With a single click, save the title, URL, and cover image of any website directly into your Capacities workspace, creating structured weblink objects that seamlessly integrate with your existing notes, tags, and projects.

This extension acts as a bridge between the distraction-filled digital world and your calm, productive thinking environment. After saving, you can quickly open Capacities to link weblinks to relevant tasks, reading notes, or projects, empowering you to maintain flow and focus in your work or study. Whether for research, project management, or personal knowledge-building, Capacities makes web clipping simple, efficient, and integrated.

User Growth & Download Statistics

Manifest V3 Add-on Developer Tools
By:
Capacities
Daily users:
757 -7
Rating:
5.00
(4)
Version:
1.5.10 Last updated: 2025-03-10
Version code:
5907444
Creation date:
2024-05-15
Risk:
High risk impact Low risk likelihood
Permissions:
Host permissions:
  • https://app.capacities.io/
  • https://portal.capacities.io/
  • http://localhost:3333/
  • http://18.192.220.44:8000/
Content scripts matches:
  • <all_urls>
Size:
6.19MB
Email:
te*****@capacities.io
URLs:
Website
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-19
Compare stats and ranking:

Other platforms

Chrome
Capacities Web Extension (v1.5.10)
10,000 4.12 (26)
Android
Capacities – Notes & PKM (v1.65.12)
95,034 3.01 (534)
Apple
Capacities – Notes & PKM (v1.65.12)
4.30 (103)
Edge
Capacities Web Extension (v1.5.10)
2,293 3.00 (2)

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
Capacities
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/capacities-web-extension/
Email:
te*****@capacities.io
Website:
https://capacities.io

Permission Change History

2024-06-06: Version 1.0.4 → 1.1.0
Add Permissions: nativeMessaging

User Reviews

Excellent EXCELLENT app for Personal Knowledge Management. Capacities to Notion is what Claude is for Google ! hands down !
by Ka*****, 2026-05-13

by Ma*****, 2025-03-30

by To*****, 2025-01-06
View all user reviews ›

Is Capacities Web Extension Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Capacities Web Extension requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Capacities Web Extension has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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Best Capacities Web Extension Alternatives

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