windows app
Convert NUMBERS to XLSX
Convert NUMBERS files to XLSX spreadsheets locally on Windows. No upload, no signup, no watermark.

features
what the app does
- Paste from clipboard — Ctrl+V joins the queue (e.g. a Win+Shift+S screenshot lands without saving to disk).
- Batch convert whole folders, sub-folder structure preserved.
- Auto-convert watcher — point the app at a watched folder; converted files appear in your output folder.
- Right-click .numbers files in File Explorer — "Convert to XLSX" opens the app pre-loaded with your selection.
- Ten UI languages, light + dark themes following the system.
- Offline by design — no telemetry, no account, no user-data exfiltration.
details
NUMBERS to XLSX on your pc
Convert numbers to xlsx on your Windows PC with a simple utility made for local spreadsheet conversion.
how it works
NUMBERS to XLSX Converter uses the SheetJS library to turn your files into XLSX spreadsheets on your Windows device. Nothing is uploaded, and the conversion stays on your machine from start to finish.
paste from clipboard
Press Ctrl+V to add a copied file straight into the queue. It is a quick way to bring in a NUMBERS file you just copied from File Explorer or another app.
batch conversion
Convert a whole folder in one run, including folders with subfolders inside. The output keeps the same folder shape, so 200 files in 10 subfolders come out the same way.
auto-convert watcher
Open the Auto-convert page to choose a watched folder and an output folder. Leave the app in the Windows system tray, drop a fresh export there, and the converted spreadsheet appears in the output folder.
right-click in explorer
A native shell extension adds Convert to XLSX to the right-click menu for .numbers files in File Explorer. The app opens with your selection already loaded, so this is a faster way to start a conversion.
languages & themes
The app ships in ten languages. Light and dark themes follow your Windows system theme automatically.
offline by design
No telemetry, no account, and no user-data exfiltration. Your files never leave the device.
free & pro
The free version lets you convert NUMBERS to XLSX with no file size or file count limits. Upgrade to Pro with a one-time lifetime purchase to remove ads and unlock batch conversion. No subscriptions or recurring payments.
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