ArtCraft AI

Step-by-step guide

Open XLSX online without Excel

Use GridCraft Online in your browser to open an Excel workbook, edit cells, and export — no desktop install.

  1. 1

    Go to GridCraft Online and wait for the spreadsheet engine to load.

  2. 2

    Use Open / Import to pick an .xlsx file from your device (browser file picker).

  3. 3

    Edit cells, formulas, and sheets in the grid. Verify critical formulas before sharing.

  4. 4

    Export or download the workbook when you are done. Keep a backup of important files.

Limits & privacy

Compatibility follows the GridCraft web build (XLSX/CSV/TSV). Mobile is limited. Spreadsheet editing is free; AI Copilot needs a Pro plan.

Open GridCraft Online

Related guides

Independent online service. Not affiliated with Microsoft Excel, Word, PowerPoint, or the official ArtCraft desktop suite.