Flux - Web Site Blocker

Block distracting websites you want to avoid visiting.

Flux is a simple website blocking extension designed to help you stay focused by restricting access to distracting websites during work or study. You can freely register websites you want to block and temporarily allow access only when necessary. Once the specified time has passed, the site is automatically blocked again, helping you avoid endless browsing. Key Features ・Block specified websites by domain ・Temporarily allow access with a time limit ・Automatic re-blocking after the time limit ends ・Record daily visit counts locally on your device ・Instant blocking that supports SPA (Single Page Applications) ・Simple and easy-to-use interface Benefits of Installing Flux ・Prevents you from “just checking” distracting sites while studying or working ・Helps you manage your time with self-defined rules ・Temporary access allows flexible use without complete restriction ・No account registration required — everything works locally ・No data is sent externally, ensuring strong privacy protection How It Works Flux checks the current URL during page navigation and compares it with your block list. If the site is blocked, the page is automatically redirected to a local block screen. Flux does not collect page content, input data, cookies, or browsing history. Privacy ・No personal information is collected ・No data is sent to external servers ・All settings and usage data are stored locally on your device Recommended For ・Students and professionals who want to improve focus ・Anyone looking to reduce time spent on social media or video sites ・Users seeking a simple and lightweight website blocker Supported Languages ・Japanese ・English