Convert PowerPoint presentations (PPTX) online for free
The converter easily converts your PPTX presentations to various formats - free and online. No Microsoft PowerPoint or or other Page Layout software needed.
The converter also works in reverse, so you can convert other "Office Open XML Presentation" formats to PPTX without using software like Microsoft PowerPoint or a similar tool.
The .PPTX file is the standard presentation format created by Microsoft PowerPoint. It uses the Office Open XML standard to store slides containing text, images, animations, and embedded media. You can open these files using Microsoft 365, Google Slides, or open-source alternatives like LibreOffice Impress.
While universal in corporate environments, the .PPTX format has significant disadvantages. It requires an expensive paid subscription to access its native editor. Files frequently exceed email attachment limits (typically 25MB) due to uncompressed embedded videos and high-resolution images. Layouts, fonts, and animations routinely break or shift when opened on different devices or competing software. Furthermore, the format is not supported natively by web browsers for direct viewing.
For seamless sharing and archiving, convert .PPTX to PDF. This locks the layout and ensures anyone can view the slides on any device without missing fonts. For web embedding or social media sharing, convert specific slides to JPG or PNG images. Drag and drop your file here to analyze and convert it - free, online, and without installing software.
Use Convert.Guru to open and convert your PPTX file.
Users also converted PTT, PPX, PPT, PP, PDX, PXX, PPP, THMX, PPD, PDF, PICKLE, PBIX and PXP files.
If you want to convert PPTX file to JPG, MP4, PNG, JSON, YAML, YML or TOML, you can use Microsoft PowerPoint or similar software from the "Slide Presentation Storage" category. In the File menu, look for Save As… or Export….
To convert DBF, SQLITE, SQL, ACCDB, YAML, MDB or JSON files to PPTX, try Microsoft PowerPoint or another comparable tool in the "Slide Presentation Storage" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our PPTX converter.