Free Online XLSX to FTS Converter

XLSX is a file format created with Microsoft Excel, version from 2007 and younger. This file is a spreadsheet. All data distributed document and stored in the cells. Each cell has a unique address, which is denoted by the letters and Arabic numerals. XLSX file format is based on the Open XML. To reduce the size of the file is compressed ZIP.

This is a format for editing, storing, and transmitting images with metadata for scientific purposes. The main application is astronomy. The main emphasis is on the metadata, which contain information about spatial and photometric calibrations. FTS is often used for storing data without including the actual associated images. It supports the storage of databases, matrices, etc.