Best Web Analysing & Development

by Kvantor Lab.

14 Add-ons in this Collection

Flash Video Downloader - YouTube HD Download [4K] by pos1t1ve

Rated 4 out of 5 stars 536 reviews

1,174,744 users

Flash Video Downloader helps you to download any video (flv, mp4, HD) from YouTube-like, Facebook, Break, Metacafe and more in one click. You can download mp3, music (iPod), avi and more. Download Flash games. Download Helper. 4K download

Ghostery by José María Signanini, Brad McDermott

Rated 5 out of 5 stars 1,141 reviews

1,403,890 users

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 947 reviews

1,310,708 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

µBlock by Alex Vallat

Download Now

Experimental

Rated 5 out of 5 stars 166 reviews

189,521 users

Finally, an efficient blocker. Easy on CPU and memory.

ZenMate Security & Privacy VPN by ZenMate

Rated 4 out of 5 stars 88 reviews

158,119 users

Unblock the web and change your IP with 4 locations across the globe. ZenMate secures your browsing with encryption - protecting you from hackers, snoopers and data thieves who prey on unsecure connections.

iMacros for Firefox by iMacros

Rated 4 out of 5 stars 369 reviews

334,032 users

Automate Firefox. Record and replay repetitious work. If you love the Firefox web browser, but are tired of repetitive tasks like visiting the same sites every days, filling out forms, and remembering passwords, then iMacros for Firefox is the soluti...

LastPass Password Manager by LastPass

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Web Developer by chrispederick

Rated 5 out of 5 stars 209 reviews

577,890 users

The Web Developer extension adds various web developer tools to the browser.

Evernote Web Clipper by Evernote

Rated 3 out of 5 stars 764 reviews

404,819 users

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

friGate by Frigate

Открывает сайты, заблокировнные злым "админом" вашей компании, сети или провайдера. Недоступен Сайт? через прокси friGate откроет!

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 97 reviews

68,907 users

Wappalyzer is a browser extension that identifies software on websites.

Lazarus: Form Recovery by Seth Wagoner

Rated 4 out of 5 stars 346 reviews

50,181 users

Never lose anything you type into a web form again! Lazarus securely auto-saves all forms as you type, so after a crash, server timeout, or whatever, you can go back to the form, right click, "recover form", and breathe a sigh of relief.

Greasemonkey Shared Script Folder by stpors

Rated 1 out of 5 stars 3 reviews

738 users

Improvement User Script Manager Greasemonkey (based on version 0.922) - Configuration Functionality for User Scripts outside Profile Folder (e.g. in DropBox Folder to share scripts)

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