Convert Excel to PDF — XLS, XLSX, ODS & CSV Converter
Convert Excel spreadsheets and CSV data to PDF with professional formatting preserved. Powered by LibreOffice WASM — all processing happens right in your browser, no files uploaded.
Key Features
Multi-Format Support
Supports .xlsx, .xls, .ods, and .csv file formats. Convert any spreadsheet to PDF with a single click.
Full Formatting Preservation
Tables, merged cells, cell styling, fonts, colors, borders, column widths, and row heights are all preserved in the output PDF using LibreOffice's native rendering engine.
Multiple Sheets Support
Spreadsheets with multiple worksheets are fully supported. Each sheet is rendered in the PDF preserving its content and layout.
Batch Conversion & ZIP Download
Upload multiple spreadsheet files at once — they convert automatically. Download individual PDFs or all files together as a ZIP archive with one click.
LibreOffice WASM Powered
Uses the same conversion engine as LibreOffice, compiled to WebAssembly for in-browser execution. Enterprise-grade conversion quality without needing a server.
100% Private & Secure
All conversion happens locally in your browser using LibreOffice WASM. Your files never leave your device — no uploads, no servers, no data collection.
No Installation Required
Works entirely in your browser. No software to download, no plugins, no accounts. Just upload and convert.
About This Excel to PDF Converter
Our Excel to PDF converter uses LibreOffice's native document conversion engine — compiled to WebAssembly and running entirely in your browser. This means your spreadsheets are converted with the same quality as desktop LibreOffice, preserving tables, merged cells, colors, borders, fonts, column widths, row heights, and cell formatting. Unlike JavaScript-only converters that approximate spreadsheet layout, LibreOffice WASM faithfully renders the document using the same code that powers the LibreOffice desktop application. The engine supports .xlsx, .xls, .ods (OpenDocument), and .csv formats. All processing is done client-side — your files never leave your device. No sign-ups, no data collection, no file size limits.
How to Convert Excel to PDF — Step by Step
Converting a spreadsheet to PDF with our tool is simple and fast:
Upload Your Files
Drag and drop one or more spreadsheet files (.xlsx, .xls, .ods, .csv) onto the upload area, or click to browse and select multiple files from your device.
Auto-Convert
Files begin converting automatically after upload using LibreOffice WASM — no need to click a convert button. The first conversion may take 1-2 minutes to initialize the engine.
Download Results
Each converted PDF appears in the results list for individual download. Use the Download All button to package all files into a single ZIP archive.
Important Notes
This converter uses LibreOffice compiled to WebAssembly for professional-grade conversion. The first time you use it, the LibreOffice engine (~236MB) will be downloaded and cached by your browser — this takes 1-2 minutes on a typical connection. Subsequent conversions are instant since the engine is cached. Complex spreadsheets with macros, pivot tables, or external references may have limitations. Charts and images are preserved but dynamic content like formulas is rendered as computed values. All processing stays local to your device — your files never leave your browser.