Convert PPTX to ODP Instantly
Convert PowerPoint to OpenDocument format
Drag & drop your file here
or browse files
Supported: .PPTX • Max 10MB
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TLS-encrypted, deleted in 1 hour
Fast Conversion
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Why Choose SimpleConverter.online?
Trusted by thousands of users worldwide for fast and reliable file conversions.
Lightning Fast
Conversions complete in seconds, powered by LibreOffice engine.
Secure & Private
Files are TLS-encrypted in transit and automatically deleted within 1 hour.
Preserve Quality
Maintain formatting, fonts, and layouts in every conversion.
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How to Convert PPTX to ODP Online
To convert a PPTX file to ODP online for free, upload it above and SimpleConverter.online converts it automatically, typically within seconds. The tool uses the LibreOffice engine to preserve slide layout, images, and formatting, so the output matches the original as closely as the PPTX-to-ODP format allows. It works in any modern browser on desktop or mobile, with no software installation and no account required. Files up to 10MB are accepted per conversion (3 conversions per day on the free tier), and every uploaded file is automatically deleted from our servers within 1 hour of conversion.
Upload File
Drag and drop your PPTX file or click to browse.
Click Convert
Click the "Convert to ODP" button to start.
Download
Save your new ODP file instantly.
Features of Our PPTX to ODP Tool
Slide-by-Slide Accuracy
Every slide keeps its original layout and image placement.
Speaker Notes Included
Notes attached to each slide carry into the output.
Animation-Safe Output
Animated elements are flattened cleanly into static slides.
No Registration
Convert as many presentations as you need, free.
Auto-Deleted
Files are purged from our servers within 1 hour.
Technical Details
Our PPTX to ODP converter uses LibreOffice Headless as the conversion engine, ensuring high-fidelity output that preserves your document's formatting, fonts, images, and layout. The conversion happens on our secure servers, so you don't need to install any software.
Frequently Asked Questions
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Start converting documents, spreadsheets, presentations, and images for free.