XLS to PDF Converter

Save XLS spreadsheets as PDF documents online

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Print-Ready Output

Your XLS data becomes a polished PDF that looks exactly the same on every screen and printer — no layout surprises.

Privacy Guaranteed

Uploaded XLS files are erased right after conversion. Generated PDF files are automatically removed within 24 hours.

Any Device, Any Browser

Run the XLS to PDF conversion from your phone, tablet, or computer — convertio.tools works in every modern web browser.

How to convert XLS to PDF

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose pdf or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your pdf file right afterwards

About formats

XLS is the binary spreadsheet format of Microsoft Excel, first introduced with Excel 1.0 for Macintosh in September 1985 and becoming the dominant spreadsheet format worldwide. The format stores workbooks as OLE2 compound document files using the Binary Interchange File Format (BIFF), organizing sheets, cells, formulas, formatting, charts, pivot tables, macros, and metadata across multiple internal streams. Each cell record encodes the cell's value (number, string, boolean, error, or formula), position, and formatting index, while shared string tables and style records reduce redundancy. The format evolved through BIFF versions (BIFF2 through BIFF8), with BIFF8 (Excel 97) establishing the structure used through Excel 2003. XLS supports up to 65,536 rows and 256 columns per sheet, a limit that drove the creation of XLSX. One advantage is universal spreadsheet compatibility — XLS files are recognized by every major spreadsheet application including LibreOffice Calc, Google Sheets, Apple Numbers, and dozens of programming libraries across all platforms. The format's mature feature set is another strength: XLS handles complex formulas, conditional formatting, data validation, named ranges, array formulas, external references, and VBA macros. Although XLSX replaced XLS as the default in Office 2007, the binary format persists in financial institutions, legacy reporting systems, and any environment where Excel 97-2003 compatibility is required.
Developer: Microsoft
Initial release: September 1985
PDF (Portable Document Format) was developed by Adobe Systems, co-founded by John Warnock and Charles Geschke, with the first version released on June 15, 1993. Built on a simplified PostScript imaging model, PDF encapsulates complete document descriptions — text with fonts, vector graphics, raster images, and interactive elements — in a self-contained file that renders identically across every platform, device, and printer. The format evolved through multiple versions, culminating in its adoption as international standard ISO 32000-1 in 2008 (PDF 1.7) and ISO 32000-2 in 2017 (PDF 2.0), ensuring long-term vendor independence. PDF supports an extraordinary range of capabilities: digital signatures, form fields, annotations, bookmarks, accessibility tags, encryption, JavaScript, multimedia embedding, 3D content, and archival-specific profiles (PDF/A). One advantage is absolute visual fidelity — a PDF document looks exactly the same whether opened on Windows, macOS, Linux, iOS, or Android, printed on any printer, or viewed decades after creation. Universal software support is another core strength: PDF viewers are built into every major operating system and web browser, and the format is read by hundreds of applications worldwide. Specialized ISO profiles like PDF/A (archival), PDF/X (print production), and PDF/UA (accessibility) extend the format's reach into regulated industries. PDF has become the global standard for document exchange in business, government, legal, academic, and publishing contexts.
Developer: Adobe Systems
Initial release: June 15, 1993

Frequently Asked Questions

Why convert XLS to PDF?

PDF locks your spreadsheet layout so it looks identical on every device and printer — perfect for sharing invoices, reports, and data tables.

How do I open PDF files?

Adobe Acrobat, web browsers like Chrome and Firefox, Apple Preview, Foxit Reader, and Sumatra PDF all handle PDF files natively.

Will cell formatting be preserved?

Yes — borders, fonts, colors, merged cells, and column widths carry over faithfully to the resulting PDF document on convertio.tools.

Can I convert a multi-sheet XLS to PDF?

Multiple sheets are included in the output PDF. Each worksheet appears as a separate section within the final document.

Is there a charge for this conversion?

XLS to PDF conversion is available for free on convertio.tools. Premium accounts unlock higher limits and batch processing features.

Does the PDF keep clickable links?

Hyperlinks present in the XLS cells are preserved as clickable links in the PDF output, maintaining full document interactivity.

XLS to PDF Quality Rating

4.5 (14,647 votes)
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