Volumr is a Chrome extension designed specifically for Tumblr, allowing users to manage audio post volume with ease. It eliminates unexpected audio levels while browsing, providing a smoother experience when interacting with multimedia content on the platform. The extension integrates seamlessly with Tumblr's interface, ensuring that it does not disrupt the user experience.

Key features include a default volume setting that establishes a preferred level for all audio posts, as well as individual volume control for each post. Users can choose from various customizable slider styles—Block, Circle, or Hidden. Additionally, Volumr offers cross-device sync, ensuring that volume settings are consistent across devices. The installation process is straightforward, and the extension only functions on Tumblr, respecting user privacy by not collecting or storing personal data.