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Convert PPT to PPTX
Convert PPT to PPTX format — 100% browser-based, no upload required.
2 cores · low tier
This conversion is experimental and may not produce perfect results.
Drop a file here or click to select
Format will be auto-detected
About these formats
Source
PPT
PowerPoint Presentation (Legacy)Microsoft's legacy binary presentation format used before Office 2007. Still encountered in older files and legacy systems.
Best for
Opening old presentationsLegacy compatibilityConverting to PPTX
Advantages
- + Wide compatibility
- + Smaller than PPTX sometimes
- + Universal recognition
Limitations
- − Proprietary binary format
- − No modern features
- − Harder to parse
- − Deprecated
Target
PPTX
Microsoft PowerPoint PresentationStandard presentation format supporting slides, animations, multimedia, and speaker notes.
Best for
PresentationsSlideshowsTraining materialsBusiness pitches
Advantages
- + Rich media support
- + Animations
- + Templates
- + Speaker notes
Limitations
- − Requires Office software
- − Large file sizes
- − Rendering varies