MeryDev

Easily save images with a wide range of customization features, such as file size, dimensions, and image type.

Automatically refresh tabs based on custom time intervals

Increase the volume of the YouTube™ player twice, resembling the VLC player

A light, dark theme for YouTube with easy toggle on and off and scheduling support. This theme is based on the default YouTube theme

A highly customizable dark theme for Google products (search, images, translate, and contacts)

Hides your private and public IP addresses by configuring how WebRTC's network traffic is routed.

Forces YouTube to open the player in the theater mode (full-width mode) even if you are logged out

Take a screenshot from the entire website with just one click!

Click on any HTML element to get the font info in a popup!

Easily mute all tabs with just one click!

Executes a system-level command to shut down, hibernate or standby your operating system when all downloads are finished

Select a text and print it to PDF via mouse right-click.

Switch JavaScript engine ON or OFF with just one click!

Pause YouTube player when page is hidden and resume when it is active again!

Boost the Twitch™ player volume up to 4×, similar to VLC player.

Gain complete control over all content settings (cookie, images, javascript, etc.).

Switch cookies ON or OFF with just one click!

Download all cached images on the current page to the default download directory