T
Toolspace
All Tools

XLS Converters & Tools

Convert Excel XLS spreadsheet to and from every popular format — right in your browser. Toolspace ships 7 client-side XLS converters and utilities that work without uploading a single byte.

Every tool runs in your browser — files never upload anywhere.

CSV to Excel
Convert CSV to Excel
Excel to CSV
Convert Excel to CSV
Excel to PDF
Convert Excel to PDF
Excel to XML
Convert Excel to XML
PDF to Excel
Convert from PDF to XLSX
Split Excel
Split into one or multiple Excel files
XML to Excel
Convert XML to Excel

Frequently asked questions

Are these XLS converters free?

Yes — every XLS tool on Toolspace is 100% free with no signup, watermarks, or file-count limits.

Do my XLS files upload to a server?

No. All XLS conversions run entirely inside your browser using WebAssembly and Canvas APIs, so your files never leave your device.

What is the largest XLS file I can convert?

There's no hard limit — since the work happens in your browser, the practical ceiling is your device's available RAM. Most modern devices handle XLS files up to several GB without issue.

Which browsers work with Toolspace XLS tools?

Chrome, Edge, Firefox, and Safari on both desktop and mobile. For the best speed with video/audio conversion, use a Chromium-based browser (Chrome/Edge) on desktop.