Click or drag Excel file here
Supports .xlsx, .xls. Convert your spreadsheet to PDF in seconds.
Why Use NimbusCalc?
100% Private
All conversions happen locally in your browser. Your files never leave your device.
Fast & Free
No registration, no hidden fees. Convert in seconds.
Cross‑Platform
Works on any device with a modern browser – desktop, tablet, or phone.
Layout Preserved
Visual appearance is maintained through image‑based conversion.
About this tool
Excel to PDF: Convert your spreadsheets to print-ready PDFs. Cell styles, colors, and formulas are rendered locally.
PDF to Excel: Extract each page as a high-quality image and embed them into an Excel file. Perfect for preserving visual layout when you need an editable spreadsheet format.
All processing happens in your browser – no file upload, 100% private.
Frequently Asked Questions
How do I convert Excel to PDF?
Select the Excel → PDF tab, upload your .xlsx or .xls file, click 'Print & Save as PDF', then in the print dialog choose 'Save as PDF' as the destination and click Save.
How do I convert PDF to Excel?
Select the PDF → Excel tab, upload your PDF, choose output image format (JPG/PNG) and quality, then click 'Convert to Excel (XLSX)' to download an Excel file with each page as an image.
Is this tool free?
Yes, it is completely free with no hidden charges.
Are my files uploaded to your server?
No, all processing happens locally in your browser. Your files never leave your device.
What file formats are supported?
Excel: .xlsx, .xls (older formats may have limited support). PDF: up to 50MB.
Will my Excel formulas be preserved?
When converting Excel to PDF, the PDF shows the calculated values. When converting PDF to Excel, the output is image-based, so formulas are not preserved – only the visual appearance.
How to Convert Excel and PDF Files
Convert Excel to PDF
- Click the upload area or drag and drop your .xlsx file into the Excel → PDF panel.
- Click the 'Print & Save as PDF' button.
- In the print dialog, select 'Save as PDF' as the destination and click Save.
Convert PDF to Excel
- Go to the PDF → Excel tab and upload your PDF.
- Choose output image format (JPG for smaller files, PNG for quality).
- Click 'Convert to Excel (XLSX)' to download.