External App Button
webextension.org/listing/external-application-…External Application Button adds a browser toolbar button and customizable context-menu items for launching external applications.
Looking for something like Magnifying Glass? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan.
Magnifying Glass opens a magnifying-glass tool from the browser toolbar.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | External App Button | — | Not stated | Browser extension, Web |
| 2 | Page Edit | — | Not stated | Web |
| 3 | Custom Dark Mode | — | Not stated | Browser extension, Web |
| 4 | User Agent Switcher | — | Not stated | Web |
| 5 | Substital | — | Not stated | Browser extension, Web |
| 6 | linksort | Free | Not stated | Browser extension, Web |
| 7 | Bonjourr | — | Not stated | iOS, Web |
| 8 | Easy Screenshot | — | Not stated | Android, Browser extension, Web |
| 9 | Greasy Fork | — | Not stated | Android, iOS, Web |
| 10 | Auto Tab Discard | — | Not stated | Web |
External Application Button adds a browser toolbar button and customizable context-menu items for launching external applications.
Page Edit lets users make a webpage content-editable and modify it through a toolbar popup before saving or printing changes.
Custom Dark Mode applies customized dark styles to webpages through a browser add-on.
User-Agent Switcher and Manager lets users modify the browser User-Agent string that websites use to select delivered content.
Add subtitles to online videos with Substital, a browser extension designed for that purpose.
Linksort helps users save and organize links, with a browser extension for one-click bookmarking.
Bonjourr provides a customizable browser start page for new tabs, with a minimalist layout and background options.
Capture screens with Easy Screenshot, which presents capture options in a browser popup.
Greasy Fork lists user scripts that can modify or add features to websites in a browser.
Auto Tab Discard unloads inactive browser tabs after a specified time to reduce memory use and background activity.
MyBrowserAddon hosts documentation, tutorials, FAQs, and bug reports for open-source browser projects.
Caffeine keeps the operating system from sleeping or hibernating while the browser extension is active.
Allow Right-Click restores a page’s original context menu when website JavaScript blocks the browser menu.
Block pop-ups, overlays, cookie notices, and ad-block warnings with the open-source PopUpOFF browser extension.
BrowserBench provides Speedometer, JetStream, and MotionMark tests for browser responsiveness, JavaScript and WebAssembly, and graphics performance.
MONKNOW combines favorite sites, search, weather, to-dos, and wallpapers in a customizable new-tab browser extension.
Chromium Drift tracks the Chromium version shipped by major desktop browsers.
Floccus syncs bookmarks across browsers, according to its service description.
Developers can use Fake Data as a browser form filler with customization options for test entries.
Clippings saves frequently entered text for later pasting, and the site also lists separate browser tools for hiding windows and reading lists.
Stylus restyles websites through a browser extension forked from Stylish; its description says the fork removed analytics from the earlier codebase.
Complexity is a browser extension that adds model selection and other controls to Perplexity.ai.
Vimium adds Vim-style keyboard shortcuts for navigating and controlling the web in a browser.
VsyncTester checks browser vertical synchronization, display refresh behavior, and input lag.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative