Supported formats of PDFs
PDFs are one of the most frequently used computer files. Nowadays, a lot of devices are used for document presentation, so there are plenty of proprietary and open file formats. The PDF Editor handles the most popular of them.
note
While uploading or opening the file for editing, it will be converted to the Office Open XML format. It's done to speed up the file processing and increase the interoperability.
The following table contains the formats which can be opened for viewing and/or editing.
| Formats | Description | View natively | View after conversion to OOXML | Edit natively | Edit after conversion to OOXML |
|---|---|---|---|---|---|
| DOCX | Office Open XML Zipped, XML-based file format developed by Microsoft for representing spreadsheets, charts, presentations, and word processing documents | ✔ | ✖ | ✔ | ✖ |
| DOTX | Word Open XML Document Template Zipped, XML-based file format developed by Microsoft for text document templates. A DOTX template contains formatting settings, styles etc. and can be used to create multiple documents with the same formatting | ✖ | ✔ | ✖ | ✔ |
| EPUB | Electronic Publication Free and open e-book standard created by the International Digital Publishing Forum | ✖ | ✔ | ✖ | ✔ |
| FB2 | An ebook extension that lets you read books on your computer or mobile devices | ✖ | ✔ | ✖ | ✔ |
| HEIF | High Efficiency Image File A digital container format for storing individual digital images and image sequences | ✖ | ✔ | ✖ | ✖ |
| JPG/JPEG | Joint Photographic Experts Group A raster image file format that uses compression to store data | ✔ | ✔ | ✖ | ✖ |
| HTML | HyperText Markup Language The main markup language for web pages | ✖ | ✔ | ✖ | ✔ |
| ODT | Word processing file format of OpenDocument, an open standard for electronic documents | ✖ | ✔ | ✖ | ✔ |
| OTT | OpenDocument Document Template OpenDocument file format for text document templates. An OTT template contains formatting settings, styles, etc., and can be used to create multiple documents with the same formatting | ✖ | ✔ | ✖ | ✔ |
| Portable Document Format File format used to represent documents regardless of the used software, hardware, and operating systems | ✖ | ✔ | ✖ | ✖ | |
| PDF/A | Portable Document Format / A An ISO-standardized version of the Portable Document Format (PDF) specialized for use in the archiving and long-term preservation of electronic documents | ✖ | ✔ | ✖ | ✖ |
| PNG | Portable Network Graphics A raster-graphics file format that supports lossless data compression | ✔ | ✔ | ✖ | ✖ |
| RTF | Rich Text Format Document file format developed by Microsoft for cross-platform document interchange | ✖ | ✔ | ✖ | ✔ |
| TXT | Filename extension for text files, usually containing very little formatting | ✖ | ✔ | ✖ | ✔ |
The following table contains the formats in which you can download a document from the File → Download as menu.
| Input format | Can be downloaded as |
|---|---|
| DOCX | DOCX, DOTX, EPUB, FB2, HTML, JPG, ODT, OTT, PDF, PDF/A-2a, PNG, RTF, TXT |
| DOTX | DOCX, DOTX, EPUB, FB2, HTML, JPG, ODT, OTT, PDF, PDF/A-2a, PNG, RTF, TXT |
| EPUB | DOCX, DOTX, EPUB, FB2, HTML, JPG, ODT, OTT, PDF, PDF/A-2a, PNG, RTF, TXT |
| FB2 | DOCX, DOTX, EPUB, FB2, HTML, JPG, ODT, OTT, PDF, PDF/A-2a, PNG, RTF, TXT |
| HTML | DOCX, DOTX, EPUB, FB2, HTML, JPG, ODT, OTT, PDF, PDF/A-2a, PNG, RTF, TXT |
| ODT | DOCX, DOTX, EPUB, FB2, HTML, JPG, ODT, OTT, PDF, PDF/A-2a, PNG, RTF, TXT |
| OTT | DOCX, DOTX, EPUB, FB2, HTML, JPG, ODT, OTT, PDF, PDF/A-2a, PNG, RTF, TXT |
| DOCX, DOTX, EPUB, FB2, HTML, JPG, PDF/A-2a, PNG, RTF, TXT | |
| PDF/A | DOCX, DOTX, EPUB, FB2, HTML, JPG, PDF, PNG, RTF, TXT |
| RTF | DOCX, DOTX, EPUB, FB2, HTML, JPG, ODT, OTT, PDF, PDF/A-2a, PNG, RTF, TXT |
| TXT | DOCX, DOTX, EPUB, FB2, HTML, JPG, ODT, OTT, PDF, PDF/A-2a, PNG, RTF, TXT |
You can also refer to the conversion matrix on api.onlyoffice.com to see how you can convert your PDFs into the most known file formats.