Change slide aspect ratio

Switch slides between 16:9, 4:3 and other shapes without stretching anything.

Choose powerpoints (pptx)or drop them here · PPTX, PPTM, PPSX, POTX
Nothing is stretched or cut off: the slides get wider or taller and the content stays centred.
  • Runs on your device. Files are never uploaded.
  • Free and unlimited. No sign-up, no watermark.
1

Add your file

Choose or drop it in. It opens right here in your browser.

2

Pick the settings

Or keep the defaults, which suit most files.

3

Download

Your file is made on your own device, then saved like any download.

More presentations tools

Merge PowerPoint filesJoin several PPTX files into one deck; every slide keeps its own design.Split PowerPoint by slideMake a separate PPTX for every slide, or for each range of slides.Extract PowerPoint slidesSave just the slides you pick as a new presentation.Delete PowerPoint slidesRemove slides from a PPTX, along with their notes and unused pictures.Reorder PowerPoint slidesPut the slides of a presentation in a new order, or reverse it.Duplicate PowerPoint slidesCopy slides, with their notes, right after the originals or at the end.Add slide numbersPut a live slide number on every slide, in the corner you choose.Compress PowerPointMake a PPTX much smaller by shrinking its pictures, keeping every slide intact.