Toggle the left sidebar in WhatsApp Web to maximize your chat area. Features: • Toggle button integrated into WhatsApp Web's navigation bar • Keyboard shortcut: Ctrl+B (Cmd+B on Mac) • Smooth collapse/expand animation • Remembers your preference across sessions • Matches WhatsApp Web's native look and feel How it works: Click the sidebar icon in the left navigation bar or press Ctrl+B to hide the chat list panel. The conversation area expands to fill the freed space. Click again or press Ctrl+B to restore the sidebar. Privacy: This extension does not collect, store, or transmit any user data. Your sidebar preference is saved locally in your browser using localStorage. No external libraries. No background scripts. No permissions required. Open source: This extension is fully open source under the MIT license. https://github.com/aydindie/whatsapp-web-sidebar-toggle