XLS file (XLS) stores data in the XLS format. Rich Text Format (RTF) encodes formatted text using a plain-text markup syntax readable by most word processors across platforms. This converts the tabular data into a fixed-layout document suitable for printing or sharing. Metadata such as creation date and embedded colour profiles is preserved where the target format supports it. The result is a standard RTF file readable by any compatible application. 1converter handles XLS-to-RTF conversion server-side: files are uploaded over HTTPS, processed on isolated cloud infrastructure, and the converted output is available for download for 24 hours before automatic deletion. No account is required for standard conversions.