How do I convert PPT to PPTX?

Upload your PPT file using the drop zone above, click "Convert to PPTX", and download the result. No account required — free daily conversions are available for all users.

Is the PPT to PPTX converter free?

Yes. Convertica offers 25 free minutes per day for guest users with no account needed. Files up to 1.25 GB are supported. Paid plans offer higher limits.

All uploaded files are automatically deleted from our servers within 24 hours. We do not share or sell your data. No ads are shown on the free tier.

convertica

PPT → PPTX · free · no account needed

PPT to PPTX converter

Convert PPT (Legacy PowerPoint Presentation) files to PPTX (Microsoft PowerPoint Presentation) format. Free guest conversions — no signup required.

deleted after 24h 25 free min/day 1.25 GB max file size

Drag & drop files here

or click to browse from your computer

No account required · View pricing for higher limits

how it works

How to convert PPT to PPTX

Upload your file

Drag and drop or browse to select. Multiple files supported.

Convert instantly

Click convert — your file is processed securely on our servers.

Download the result

Get your converted file immediately. Deleted from servers in 24h.

about these formats

PPT vs PPTX

PPT

What is a PPT file?

PPT is the older PowerPoint format used before 2007. Converting PPT to PDF or PPTX modernizes presentations for current software.

PPTX

What is a PPTX file?

PPTX is the modern PowerPoint format. It supports slides, animations, and embedded media. Converting PPTX to PDF creates a shareable, non-editable presentation.

Why convert PPT to PPTX?

Convert PPT files to PPTX for better compatibility with your devices and software
No software installation required — everything runs in your browser
Free daily conversions with no account, no ads, and no watermarks
Files are automatically deleted from our servers within 24 hours

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