iformat.io
iformat.io
Log In Sign Up

Free Online Excel to PDF Converter

Convert Excel (XLSX) spreadsheets to PDF online for free. Tables and formatting preserved. Fast, secure, no signup, no software to install.

Drop XLSX files here
or click anywhere in this box to choose files

Max file size 50MB. Sign up for more.

Spreadsheet to fixed-layout document

XLSX is a flow-based format — columns resize, rows expand, and the visible area depends on the viewer's zoom level and screen size. PDF freezes the spreadsheet's print layout: page breaks, column widths, header/footer content, and print area settings are locked. The conversion renders each print page as a fixed PDF page, embedding fonts and computing cell formatting (borders, fills, conditional formatting) into the PDF's drawing commands. Formulas are replaced with their computed values.

Convert XLSX to PDF when sharing financial reports, invoices, data tables, or any spreadsheet where the recipient should see a fixed layout without being able to modify formulas or data. PDF is the standard for distributing finalized numerical documents.

XLSX vs PDF: Side-by-side

Technical comparison of the two formats — useful for deciding which to use, or for confirming what changes during conversion.

Property XLSX PDF
Full name Microsoft Excel (Open XML) Portable Document Format
Year introduced 2007 1993
Developer / standard body Microsoft Adobe
MIME type application/vnd.openxmlformats-officedocument.spreadsheetml.sheet application/pdf
File extension .xlsx .pdf
Compression ZIP-compressed XML Built-in (FlateDecode, DCTDecode)
Color / data depth N/A Vector + raster
Max dimensions / size 1,048,576 rows × 16,384 columns 381 km × 381 km (15,000 × 15,000 inches)
Transparency No Yes
Animation No No
Standard / specification ECMA-376 / ISO/IEC 29500 ISO 32000
Best for Modern Excel spreadsheets, data analysis Final-form documents, contracts, archives — looks identical everywhere

XLSX to PDF FAQ

Quick answers about compatibility, quality, metadata handling, and the most common reasons to convert XLSX files to PDF.

How do I convert XLSX to PDF?
Upload your XLSX file to iFormat and click Convert. It's processed and returned as PDF in seconds — free, no watermark, and no account required.

What is XLSX?
XLSX is the Microsoft Excel format, typically used for spreadsheets with formulas. Converting it to PDF makes the file easier to open, share, or upload where XLSX is not supported.

Is XLSX to PDF conversion free?
Yes. Converting XLSX to PDF is free with no watermark and no sign-up. Paid plans only raise file-size limits and batch sizes for heavier workloads.

How do I open XLSX files?
On Windows: Excel; free alternatives are LibreOffice Calc, Excel Online, or Google Sheets. On a Mac: Numbers opens XLSX, as do Excel and LibreOffice. Formulas mostly survive between apps; macros, pivot tables and conditional formatting frequently do not.

Why does my spreadsheet split across several PDF pages?
A spreadsheet has no page size — a PDF does. Columns that run wider than the page break onto separate pages, which is the single most common complaint about this conversion. Set the print area and scaling in Excel first (Page Layout → Fit All Columns on One Page, or landscape orientation) and the PDF follows that layout.

Do formulas still work in the PDF?
No. The PDF captures the calculated values as they stood when you converted — the formulas behind them are not carried over. That is usually the point: you are sending a figure someone cannot accidentally change. Send the XLSX instead if the recipient needs to recalculate.

Are all worksheets included or just the active one?
Behaviour varies by tool and by how the workbook was saved. If a specific sheet matters, check the output before sending, and consider deleting or hiding sheets you do not want shared — hidden rows, extra tabs, and off-screen notes have a habit of surfacing in the PDF.

More converters

Browse all
From XLSX
Excel to CSV
To PDF
JPG to PDF PNG to PDF Word to PDF EPUB to PDF CSV to PDF PPTX to PDF AI to PDF AZW3 to PDF CBR to PDF CBZ to PDF

Related Guides for Excel to PDF Converter

Helpful articles and explainers connected to this tool.

DjVu Won't Open? How to Convert Scanned Books to PDF

DjVu files are common in academic archives but almost nothing opens them natively. Here's how to convert DjVu to PDF and why the format still exists.

How to Compress PDF for LinkedIn Upload (Documents and Resumes)

LinkedIn accepts PDF uploads for carousel-style document posts and resumes. Here is how to optimize them for fast loading, mobile viewing, and maximum engagement.

How to Compress PDF for Government Form Upload (Portal Size Limits)

Government upload portals have strict file size limits, often just 1-5MB. Here is how to compress your PDFs to meet those limits without making documents unreadable.

How to Reduce Scanned PDF Size Without Losing Readability

Scanned PDFs can be 5-10MB per page because each page is a full-resolution image. Here is how to shrink them dramatically while keeping text sharp and readable.

Free Adobe Acrobat alternatives — 2026 comparison

The best Adobe Acrobat alternatives in 2026. Free PDF editing, compression, signing, and OCR without the $19.99/month Acrobat Pro subscription.

Free iLovePDF alternatives — 2026 comparison

The best iLovePDF alternatives in 2026. Free PDF compression, conversion, merging, and editing without file size limits or the $9/month premium. Compared honestly.

Reviewed by Updated