Free Online PPTX Converter
The modern PowerPoint deck, which still needs PowerPoint to edit.
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How to convert PPTX files online
Convert PowerPoint PPTX presentations to PDF, images, or other slide formats while preserving layouts, animations, and embedded media.
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Upload your PPTX presentation
Drag and drop PPTX files from Microsoft PowerPoint, Google Slides exports, or Keynote conversions. Slide layouts, speaker notes, embedded charts, images, and SmartArt are all read by the converter.
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Choose your output format
Select PDF for a fixed-layout version suited to sharing and printing, PPT for legacy PowerPoint compatibility, or image formats like JPG or PNG to render each slide as a high-resolution graphic.
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Download your converted slides
Download your converted presentation with slide layouts, fonts, and images intact. Multi-slide presentations produce one PDF or multiple images. Files are securely deleted from our servers within 1 hour.
Reasons to convert PPTX Presentations
Not everyone has PowerPoint installed. Convert PPTX to PDF for a fixed-layout version that opens on any device, preserving slide designs, fonts, and images exactly as you created them.
Organizations running older Office versions (97-2003) cannot open PPTX files. Convert to PPT format for reliable presentations on legacy systems and conference room computers.
Convert individual slides to JPG or PNG for use in social media posts, blog articles, email newsletters, or embedding in websites without requiring a slideshow viewer.
Convert PPTX to ODP for editing in LibreOffice Impress or other open-source tools. ODP is an ISO standard that means your presentations are not locked to Microsoft software.
PPTX files with high-resolution images and embedded media can grow to hundreds of megabytes. Convert to PDF to significantly reduce file size while maintaining visual fidelity for distribution.
Convert PPTX to PDF with speaker notes and handout layouts for printed meeting materials. PDF output means consistent pagination and formatting across all printers.
Convert PPTX documents online, no desktop apps, no plugins. No watermarks added, formatting preserved, and files are deleted from our servers within 1 hour.
About the PPTX Format
PPTX (PowerPoint Open XML Presentation) is the default file format for Microsoft PowerPoint 2007 and later. It replaced the older binary PPT format with a modern ZIP-based XML architecture that produces smaller files, better data recovery, and improved interoperability with other applications. PPTX files store slides, speaker notes, handouts, animations, transitions, and embedded media in a structured package.
PPTX is natively supported by Microsoft PowerPoint, Google Slides, Apple Keynote, LibreOffice Impress, and most modern presentation tools. The format supports SmartArt, charts, embedded video and audio, slide master templates, and real-time co-authoring through Microsoft 365. PPTX is the global standard for business presentations, lectures, training materials, and conference talks.