Online spreadsheet converter

Convert spreadsheet files

50+ most popular formats supported

Maximum file size 5 MB or sign up

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    50+ supported formats


      Text documents


          Powerful conversion API

          ONLYOFFICE provides one API to convert all kinds of Office documents: texts, sheets, slides, forms, PDFs, eBooks and more within your app. Check our API documentation.

          We care about your data

          All documents you upload are encrypted to make sure they are completely safe online.
          We do not track or request any of your personal information to convert the files.
          Your documents are not stored on the server after conversion is completed.
          We guarantee transparency of file processing by providing open source code of our software.

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