PPT to PPTX
Convert legacy .ppt to modern .pptx.
Click to upload or drag & drop
Select a legacy PowerPoint file (.ppt)
How to use the PPT to PPTX
- 1Upload your legacy PowerPoint file (.ppt)
Drag and drop or click to select the legacy PowerPoint file (.ppt).
- 2Convert to PPTX
Click Convert to PPTX and we process it on our secure server.
- 3Download
Your PPTX downloads automatically.
Convert PPT to PPTX
This tool converts a legacy PowerPoint .ppt presentation into the modern .pptx format using LibreOffice, so old decks open cleanly in current PowerPoint, Keynote and Google Slides.
When to use it
- Modernise an old .ppt deck.
- Open a legacy presentation in current PowerPoint.
- Import old slides into an app that needs .pptx.
Private & secure
Your file is uploaded over an encrypted HTTPS connection, converted on our server and streamed straight back to your device. Each request runs in its own isolated workspace that is deleted the instant the result is returned, so nothing is ever stored or shared.
Frequently Asked Questions
Are my slides and layout kept?
Slides, text, images and layout convert faithfully. Very old or unusual effects may be simplified, but the presentation stays intact.
Are my files uploaded to a server?
Yes. Unlike our browser-based tools, the PPT to PPTX runs on our secure server because it needs professional desktop-grade software to do the job well. Your file is processed in an isolated workspace and deleted automatically the moment the result is sent back — nothing is stored, logged or shared.
Is it free? Is there a watermark or size limit?
It is completely free with no sign-up and no watermark. Files up to 100 MB are supported per conversion.
Related tools
Unit Converter
Convert length, weight, volume, area, speed & data.
Open tool NewTemperature Converter
Convert Celsius, Fahrenheit & Kelvin instantly.
Open tool NewColor Converter
Convert HEX, RGB & HSL with a live preview.
Open tool NewCSV to JSON Converter
Convert CSV to JSON and JSON back to CSV.
Open tool