Free online PPT-to-PPTX converter — upload a PPT file and download a PPTX. Fast, private, no signup.
Drop your PPT file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a PPTX to download. No software to install.
Yes. Convert PPT to PPTX for free right in your browser, with no account needed to get started.
Your file is transferred over an encrypted connection and anonymous uploads are temporary. You can also view and strip metadata (location, device, author) before you download.
Legacy binary PowerPoint presentation. Office Open XML presentation (PowerPoint).
Convert to PPTX from: ODP