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conv24

Convert XLSX to XLS online

Turn your XLSX file into a XLS file in a few seconds. Upload it, we convert it in the cloud, and you download the result.

  • FastCloud conversion
  • SecureYour files are protected
  • No installationWorks in your browser

Drop your XLSX file here

or

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Your files are private and automatically deleted

How to convert XLSX to XLS

  1. 1

    Upload your XLSX file

    Drag your XLSX file into the box above, or click the button to pick it from your device.

  2. 2

    Convert to XLS

    The conversion to XLS starts on its own and runs on our secure cloud servers.

  3. 3

    Download your XLS file

    Save your XLS file as soon as it is ready. Your files are deleted automatically afterwards.

XLSX to XLS: frequently asked questions

How do I convert XLSX to XLS?
Upload your XLSX file with the button above or drag it into the box. The conversion to XLS starts on its own, and you download your XLS file as soon as it is ready. There is nothing to install.
Do I need to install any software?
No. conv24 runs entirely in your browser, on computer, tablet or phone. There is nothing to download or install.
Will my file lose quality?
No. Our cloud engine keeps the original quality of your files whenever the output format allows it, and you can adjust quality settings for images, audio and video.
What is the maximum file size?
Each file can be up to 100 MB. For larger files, compress them first or split them into several parts before converting.
Are my files safe with conv24?
Yes. Your files are sent over an encrypted connection, processed in our secure cloud and never shared with anyone.
Are my files deleted after conversion?
Yes. Your original file and the converted file are deleted from our servers automatically once the conversion is finished and the download window has closed. Nobody at conv24 looks at your files.

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Why choose conv24?

A faster, simpler and more secure way to convert your files.

  • Blazing Fast

    Our cloud engine converts files in seconds.

  • High Quality

    Keep the original quality of your files.

  • Batch Processing

    Convert multiple files at once.

  • Secure & Private

    Encrypted uploads and auto file deletion.

  • No Installation

    Works in your browser on any device.

  • API for Business

    Automate conversions with our powerful API.