presentation / converter

PPT to PPTX Converter

Convert PPT files to PPTX format using a practical and suitable conversion workflow.

Input: PPT Output: PPTX Local-first processing

PPT to PPTX Converter

Choose one or more files. The conversion runs locally in your browser with the LibreOffice WebAssembly engine. Nothing is uploaded.

Choose files to begin.

How this page works

Use this page to convert PPT into PPTX. The page describes the accepted input, the expected output, and any quality or compatibility issues that matter for this conversion.

Some conversions are mainly for compatibility, while others may change quality, layout, transparency, timing, metadata, or editability.