Convert Portable Document Format (.pdf) to Microsoft Excel Spreadsheet (.xls) online for free. Fast, secure document conversion with no watermarks or registration.
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XLS is the legacy Microsoft Excel format (97-2003) that uses a binary BIFF (Binary Interchange File Format) structure. Converting PDF to XLS extracts tabular data from PDF documents and places it in an Excel-compatible spreadsheet that opens in every version of Excel, LibreOffice Calc, Google Sheets, and WPS Spreadsheets.
While XLSX is the modern standard, XLS remains necessary when working with legacy systems, older Excel versions, or automated processes built around the binary Excel format. Many enterprise ERP systems, legacy accounting software, and older database import tools specifically require XLS files and cannot process XLSX.
Organizations with legacy software infrastructure frequently need data from PDF reports in XLS format. Banking systems built on older technology stacks, government financial reporting systems from the early 2000s, and industrial control systems with Excel-based data import capabilities may only accept XLS files. Converting PDF data to XLS bridges the gap between modern PDF documents and these legacy systems.
XLS is also more efficient for very simple spreadsheets because it does not carry the XML overhead of XLSX. For straightforward tabular data without advanced formatting, the binary XLS format is compact and universally compatible.
LibreOffice processes the PDF to detect tabular structures by analyzing text alignment patterns, ruling lines, and spatial relationships between text elements. Detected columns and rows are mapped to XLS cells with appropriate data types — numeric values are stored as Excel numbers, dates are formatted as date cells, and text remains as strings. The output uses the BIFF8 binary format, which supports a maximum of 65,536 rows and 256 columns per sheet. Basic cell formatting (borders, alignment, number formats) is applied based on the PDF's visual styling.
Table detection accuracy matches that of PDF-to-XLSX conversion. Well-structured tables with visible borders convert reliably. The XLS format limitation of 65,536 rows may be a constraint for very large datasets — if your PDF table exceeds this limit, some data will be truncated. For most business documents, this limit is not a practical concern. Numeric data is parsed and stored as numbers, enabling immediate use in formulas.
| Device | XLS | |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | Native |
PDF to XLS conversion serves legacy systems and older Excel installations that require the binary Excel format. The tabular data extraction works the same as PDF-to-XLSX, with the XLS format's 65,536-row limit being the only significant constraint for very large datasets.
Beyond format conversion, our PDF toolkit covers compression, merging, signing, OCR, annotation, watermarking, PDF/A conversion, and 10 more utilities.
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| No |
| 特性 | XLS | |
|---|---|---|
| 全称 | Portable Document Format | Microsoft Excel 97-2003 |
| 扩展名 | .xls | |
| 最适合 | Universal format | Legacy support |