ConvertFly is an online spreadsheet converter. We support Excel, CSV, ODS, XLS, XLSX and many more formats. Our conversion technology ensures your formulas, formatting, and data integrity are preserved across different spreadsheet applications.
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PDF, DOCX, JPG, PNG, MP4, MP3, and 200+ formats
ConvertFly is your universal app for file conversions. We support nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats. Plus, you can use our online tool without downloading any software.
ConvertFly has been trusted by our users and customers since its founding in 2026. No one except you will ever have access to your files. Your files are encrypted during transfer and automatically deleted after 24 hours.
Besides using open source software under the hood, we've partnered with various software vendors to provide the best possible results. Most conversion types can be adjusted to your needs such as setting the quality and many other options.