EditXLSX
Productivity / SaaS / Spreadsheet Browser-based office editor with WASM OpenXML. Edit real .xlsx, plus .docx and .pptx — locally or in Cloud. Free to start.
About EditXLSX
EditXLSX is a browser office editor with a WASM OpenXML engine. Edit real .xlsx with formulas and multi-sheet refs; also .docx and .pptx. Keep a local library on this device, or unlock Cloud with Pro. Free (10 local files); Pro $5/mo; Pro+ $10/mo. Built by Dr. Ray Calloway for zero-install everyday Excel edits — not a full VBA/Power Query replacement.
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More like this: Productivity · SaaS · November 2026
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