Convert PowerPoint to OpenDocument Presentation Online Free
Convert PowerPoint presentations to OpenDocument Presentation format for full compatibility with LibreOffice Impress and open-standards presentation workflows.
ChangeThisFile converts your PowerPoint presentation to OpenDocument Presentation using LibreOffice on our secure servers, preserving slides, layouts, animations, images, and speaker notes. ODP is the ISO-standardized open format for presentations. Encrypted upload, automatic file deletion, completely free with no signup required.
Convert PowerPoint to OpenDocument Presentation
Drop your PowerPoint file here to convert it instantly
Drag & drop your .pptx file here, or click to browse
Convert to OpenDocument Presentation instantly
PowerPoint vs OpenDocument Presentation: Format Comparison
Key differences between the two formats
| Feature | PowerPoint | OpenDocument Presentation |
|---|---|---|
| File format | Office Open XML (.pptx) | XML container (.odp / ZIP) |
| Specification | ECMA-376 / ISO 29500 | ISO/IEC 26300 |
| Developed by | Microsoft | OASIS consortium |
| Primary application | Microsoft PowerPoint | LibreOffice Impress, OpenOffice Impress |
| License | Proprietary standard | Open standard (royalty-free) |
| Animation support | Full PowerPoint animations | Basic to full animations |
| Compatibility | MS Office, Google Slides, LibreOffice | LibreOffice, OpenOffice, Google Slides |
When to Convert
Common scenarios where this conversion is useful
Migrating to LibreOffice Impress
Convert your existing PowerPoint deck library to ODP when transitioning from Microsoft Office to LibreOffice Impress for editing and presenting.
Government and institutional compliance
Public sector organizations with open-standards mandates must store and share presentations in ODP rather than proprietary PPTX format.
Cross-platform presentation delivery
ODP files can be presented on any operating system with LibreOffice installed, without requiring a Microsoft Office license.
Open-source conference submissions
Many open-source conferences and academic events prefer or require ODP format for speaker submission files.
Long-term presentation archival
Store presentations in the ISO-standardized ODP format to ensure they remain readable without dependency on Microsoft tooling.
How to Convert PowerPoint to OpenDocument Presentation
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1
Upload your PowerPoint file
Drag and drop your .pptx file onto the converter, or click to browse. Files up to 50 MB are supported for free.
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2
Server-side conversion with LibreOffice
Your file is securely uploaded and converted on our servers using LibreOffice Impress headless, preserving slides, layouts, text, images, and speaker notes.
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3
Download the result
Once conversion is complete, click Download to save your .odp file. The uploaded file is automatically deleted from our servers.
Frequently Asked Questions
Yes, completely free. Convert PPTX to ODP with no cost, no signup, and no watermarks.
Yes. Slide layouts, text formatting, images, background themes, and speaker notes are preserved. Complex PowerPoint animations may be approximated in ODP.
Basic animations and transitions are converted. Complex PowerPoint-specific animation effects may be simplified, as ODP has a different animation model.
No. Files are automatically deleted immediately after conversion. Nothing is stored or retained.
Yes. Files are transferred over encrypted HTTPS connections. Your data is protected in transit.
The conversion uses LibreOffice Impress headless on our servers — the same engine used by LibreOffice's native presentation application.
Yes. Google Slides supports importing and editing ODP files, in addition to LibreOffice and OpenOffice Impress.
Embedded video compatibility in ODP depends on the codec and embedding method used in the source PPTX. Linked media references are carried over, but playback requires the files to remain accessible.
ODP is supported by LibreOffice, OpenOffice, Google Slides, and various other applications. It is an ISO standard with growing adoption, though PPTX remains more common in Microsoft-centric environments.
Files up to 50 MB are supported for free conversion.
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