A workplace browsing tool — a desktop overlay browser with adjustable opacity, always-on-top, and click-through. Browse the web anytime while working, and go transparent in one click when the boss comes.
Adjust window opacity freely from 10% to 100%, balancing work and browsing. Supports quick keyboard shortcuts.
The window always floats on the top layer. With click-through enabled, the mouse can directly operate the window below without interference.
Selected text can be copied or searched on Google/Bing; links can be copied or opened; supports paste, select all, and more.
Auto-detects Bilibili video pages and enters webpage fullscreen in one click, no manual clicking needed. Can be disabled in the menu.
Supports GitLab / GitHub automatic new version detection. Checks on startup and notifies instantly when updates are available.
Supports Chrome / Safari bookmark import, local history, and Chrome password CSV import with auto-fill.
Address bar width can be freely dragged and adjusted (minimum 100px) to fit different use cases.
Switch to a mobile User-Agent in one click to browse pages in mobile layout, saving screen space.
Free and open source, cross-platform. Choose the version for your system:
opabrow is an Electron-based transparent overlay browser designed for users who need to browse the web while working. The window can adjust opacity, stay always-on-top, and enable click-through, making it perfect for workplace browsing scenarios.
Supports macOS (Apple Silicon + Intel), Windows x64, and Linux x64. All platforms share the same features and a similar experience.
Completely free, released under the MPL-2.0 open source license, with source code hosted on GitHub.
Version 1.0.0 has fixed the Windows tray icon display issue. Make sure you're using the latest version. If the problem persists, please submit an issue on GitHub.
Uncheck View > Bilibili Video Default Webpage Fullscreen in the menu bar. The setting is saved automatically and takes effect on next launch.
The app reads the update-source.json config file in the userData directory. You can configure GitLab or GitHub as the update source. It checks automatically on startup, or you can trigger it manually via View > Check for Updates...
Adjust window opacity to 30% and pin it above your work windows. Lower the opacity in one click when the boss approaches — work and browsing without conflict.
Enable click-through so the video window floats on top without blocking mouse input. Type in your editor while watching a video at the same time.
Switch to a mobile User-Agent in one click to preview pages in mobile layout. A handy tool for frontend developers debugging responsive layouts.
Select text and right-click to search on Google without switching windows. The address bar width is drag-adjustable to fit different pages.
Bilibili videos auto-enter webpage fullscreen; combined with opacity and click-through, you can listen to podcasts while working without taking up screen space.
Pin documentation pages as an overlay and reference them while writing code, without switching back and forth between windows.
Download the installer for your platform from GitHub Releases. Drag into Applications on macOS, run the NSIS installer on Windows, or use the AppImage on Linux.
After opening the app, adjust window opacity via the tray menu or keyboard shortcuts. 10% is nearly invisible, 100% is fully opaque.
Check "Always on Top" and "Click Through" in the tray menu. Always-on-top keeps the window on the top layer; click-through lets the mouse operate the window underneath.
Import bookmarks from Chrome / Safari, and import passwords by exporting a CSV file from Chrome. Select the corresponding options in the tray menu.
Configure a GitLab or GitHub update source in userData/update-source.json. The app checks for new versions automatically on startup.