Spreadsheetor - Spreadsheet in side panel

Spreadsheetor is a versatile Chrome extension designed to streamline spreadsheet editing directly within your browser's side panel. You can create and edit local spreadsheet files including Excel (xlsx), csv, markdown, and json formats without switching tabs or relying on cloud servers. The extension supports auto copy-paste functionality, enabling you to extract tables from any webpage effortlessly.

With a minimal footprint of just 63kb, Spreadsheetor requires no permissions, signup, tracking, or ads, making it lightweight and privacy-friendly. It offers a dark mode for comfortable use and keyboard shortcuts for enhanced productivity. Simply pin Spreadsheetor, open it using Alt + S, and manage your spreadsheet files with easy import/export options across multiple formats. Ideal for anyone seeking quick and secure spreadsheet editing right inside their browser.