The Switcher[Change Domains]

Partially replace the URL of the currently open web page and open it in another tab. Please use it for switching domains. etc...

One-click domain switcher for Production, Staging, and Development (Local) environments. This Chrome extension allows you to switch between environments with a single click while preserving the current page's URL path and query parameters. By clicking the icon (or pressing Ctrl+Shift+↑), all registered environment URLs are listed, allowing you to move between them without copying and pasting. Perfect for situations like: Opening a page you're viewing in production directly in your local or staging environment. Eliminating the manual task of retyping URLs for different environments. Quickly comparing the same page (product details, articles, etc.) across multiple domains. Simply register your project name and domains in the options screen. It supports multi-domain and multi-project setups. Highly recommended for web coders, frontend engineers, web directors, and anyone frequently jumping between environments. 【updates】 2026-05-14: Security Update 2024-06-12: Enabled the option to always open in the same tab on the options screen (only applicable for 2 domains). 2024-05-01: Modified so that a new tab opens right next to the active tab when there are two registered URLs. 2024-05-01: Modified so that a new tab opens right next to the active tab when there are two registered URLs. 2024-04-09: Added a link to open in the same tab within the popup. 2023-12-15: Added support for French, Korean, Russian, Thai, Turkish, Ukrainian, and Chinese languages. 2023-11-22: Unnecessary permissions are removed. 2023-11-17: Modification for security protection and name change. 2023-11-15: Fixed a bug where pressing the 'add project' button while adding a project in the settings screen caused the data being entered to disappear. Fixed to not use remote source code. 2023-11-14: Fixed an issue where multiple tabs open when specifying two domains in multiple projects. 2023-03-04: Now launches with the shortcut "Ctrl + Shift + Up". (ver.1.30.0.0) 2023-03-03: Fixed minor bugs 2023-03-01: Multilingual support started. English and Japanese are currently available. It depends on Chrome's own language settings. 2023-02-27: Changed the data storage destination from localstorage to chrome.storage in v1.20 (to get it in the background) *If you are using the previous version, please set it again on the option screen. Also, you can now switch URLs from the context menu displayed by right-clicking within the open page. Please take advantage of it. 2023-02-17: v1.10 When there are two URLs in the project, the URLs that are switched are automatically opened at the same time when the icon of The Switer is pressed. If there are 1, 3 or more, the pop-up will be displayed as before. We also made some minor adjustments to the layout of the options page. If there are 1, 3 or more, the pop-up will be displayed as before. We also made some minor adjustments to the layout of the options page.