Bermet

Manage, manipulate, and plot one or more SQLite databases and optionally import and export records to a CSV table

Grab and download media (image and video) sources by monitoring network (like FlashGot)

Pretend that all browser windows are active by spoofing the visibility state event and more!

Disable unused extensions according to different profiles to free up their resource usage and to improve your privacy.

Live editing text and HTML content of the page with the Sublime Text from the page context or DevTools.

Block GIF and WebP animation images on HTML pages to reduce bandwidth and resource usage

Provides free checking of urls for viruses. It uses up to 64 different antivirus products and scan engines to check for viruses

Quickly delete/wipe your browser Cookies for a defined period with one click!

Look up the registration data (DNS, domain names, ownership info, name servers, IPs) for domain names without leaving the page.

One-click form filler that supports multiple profiles and regular expression rules

Displays the current date and time with Bing's daily wallpaper on new tabs, with an optional weather widget

Search for torrents using the official "The Pirate Bay" engine on a live ProxyBay mirror without visiting its page.

Prevent YouTube page, HTML5 player, and Flash player from displaying advertisements and banners

An open-source DNS-based ad-blocker that operates based on host filtering to block ads, malware, phishing hostnames

Evaluate complex mathematical formula and plot them in a workspace like Matematica

An open-source two-factor Time-based One-Time Password (TOTP) authenticator with SHA-256 secure storage

Convert and merge multiple files with different formats into a single PDF document

Edit any page's content by switching to design mode, where you can modify the content and drag images around like a Word Editor

Multiple label and account notifier for Google Mail (Gmail), and more!

View current page in the mobile-friendly format by spoofing Android or iOS user-agent string on request header and JavaScript sides

Have full-control over noisy tabs (active tab, all tabs, all other tabs, and more) with keyboard shortcut support

A fast google-liked search engine for bookmarks that supports searching operators and offline indexing

Adds a repeat button to the HTML5 player to loop over a single track after 1 second delay

Easy to use video and audio converter and muxer based on FFmpeg multimedia command-line tool.

Displays random masterpieces from Google Cultural Institute in your every new tab