Best Web Analysing & Development

by Kvantor Lab.

14 Add-ons in this Collection

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

Rated 4 out of 5 stars 613 reviews

1,047,103 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 985 reviews

1,275,115 users

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

Ghostery by Ghostery

Rated 4 out of 5 stars 1,308 reviews

1,439,908 users

Enjoy a faster, safer and cleaner browsing experience.

ZenMate Security & Privacy VPN by ZenMate

Rated 3 out of 5 stars 212 reviews

306,166 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.

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,341 reviews

728,062 users

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

iMacros for Firefox by Ipswitch

Rated 4 out of 5 stars 394 reviews

397,009 users

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

friGate by Frigate

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

Web Developer by chrispederick

Rated 5 out of 5 stars 230 reviews

478,918 users

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

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 898 reviews

382,113 users

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

µBlock by Chris Aljoudi

Rated 4 out of 5 stars 217 reviews

197,589 users

NOTE: Users should be aware that this add-on represents an older fork. The original developer of uBlock is continuing to actively develop the newer fork uBlock Origin.

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 100 reviews

74,953 users

Wappalyzer is a browser extension that identifies software on websites.

Lazarus: Form Recovery by Seth Wagoner

Rated 4 out of 5 stars 377 reviews

46,632 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

412 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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