SheetLens - Excel & Spreadsheet Viewer

SheetLens is a premium, high-performance, and offline-capable Excel spreadsheet viewer for VS Code / Antigravity IDE. It lets you view .xlsx and .xls files directly in your IDE with rich, theme-adaptive styling.

Features

• 🎨 Theme Adaptive: Instantly blends with your editor's Dark, Light, or High Contrast themes using IDE variables.
• 📑 Multi-Sheet Tabs: Seamlessly switch between different worksheets in your Excel file.
• ⇅ Interactive Sorting: Click any column header to sort rows dynamically (numbers and strings supported).
• 🔍 Global Searching & Filtering: Search and filter rows in real-time as you type.
• 🌐 100% Offline: Includes SheetJS locally to run completely offline without remote network dependencies.

Usage

1. Open any .xlsx or .xls file in your editor.
2. If it opens in binary view, right-click the file in the sidebar and select Open With... -> SheetLens.

Packaging into a .vsix Installer

You can compile this extension into a standard VS Code / IDE extension package (.vsix) so others can install it:

1. Make sure Node.js is installed.
2. In the terminal inside this folder, run:

   npx @vscode/vsce package
   

3. This creates a file named nouri-excel-viewer-1.0.3.vsix in this directory.
4. Anyone can install it by dragging the file into the IDE, or selecting Extensions -> ... -> Install from VSIX....

Publishing to Open VSX

To publish this extension to the Open VSX Registry:

1. Go to Open VSX and sign in (e.g. via GitHub).
2. Go to Settings -> Namespaces and ensure your namespace matches nouri.
3. Generate an Access Token from your settings.
4. Publish the package using the CLI:

   npx ovsx publish nouri-excel-viewer-1.0.3.vsix -p YOUR_ACCESS_TOKEN