Online document converter
Convert text documents, spreadsheets, presentations, and PDF
50+ most popular formats
Maximum file size 5 MB or sign up
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50+ supported formats
Spreadsheets
- csv
- et
- ett
- fods
- numbers
- ods
- ots
- sxc
- xls
- xlsb
- xlsm
- xlsx
- xlt
- xltm
- xltx
- xml
Text documents
- djvu
- doc
- docm
- docx
- docxf
- dot
- dotm
- dotx
- epub
- fb2
- fodt
- htm
- hwp
- hwpx
- html
- mht
- mhtml
- odt
- ott
- oxps
- pages
- rtf
- stw
- sxw
- txt
- wps
- wpt
- xml
- xps
Presentations
- dps
- dpt
- fodp
- key
- odp
- otp
- pot
- potm
- potx
- pps
- ppsm
- ppsx
- ppt
- pptm
- pptx
- sxi
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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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.