Description from extension meta
StartTabs Split lets you open an ordered set of pages across multiple windows and layouts when Chrome starts.
Image from store
Description from store
・Tab Set Management at Startup
Register any URLs in a custom order
Easily add, remove, and rearrange tabs via a tabular UI
・Split View Across Multiple Windows
Choose to “Open in existing window” or “Open all in new window”
Automate layouts by specifying alignment direction (left/right, top/bottom, or ratios like 1:1, 1:2, 2:1)
・Pin Support
Automatically pins frequently used tabs to keep them fixed
・Multi-Language Support (English/Japanese)
UI switches based on browser language
Supports English and Japanese
・“Run Now”
Instantly verify saved settings without restarting Chrome