I have a PowerPoint .ppt file and I have to create an image for every slide.
I'm trying to use the integrated PowerPoint "export as .png". It works but the images have all a opaque background, I need a transparent one.
Anyone knows if is it possible and how to do it? (If not via standard export, also with a macro is fine)
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It can't be done, either manually or progamatically. This is because the color behind every slide master is white. If you set your background to 100% transparent, it will print as white.
The best you could do is design your slide with all the stuff you want, group everything you want to appear in the transparent image and then right-click/save as picture/.PNG (or you could do that with a macro as well). In this way you would retain transparency.
Here's an example of how to export all slides' shapes to seperate PNG files. Note:
This uses a depreciated function,
namely Shape.Export. This means
that while the function is still
available up to PowerPoint 2010, it
may be removed from PowerPoint VBA later.
Sub PrintShapesToPng()
Dim ap As Presentation: Set ap = ActivePresentation
Dim sl As slide
Dim shGroup As ShapeRange
For Each sl In ap.Slides
ActiveWindow.View.GotoSlide (sl.SlideIndex)
sl.Shapes.SelectAll
Set shGroup = ActiveWindow.Selection.ShapeRange
shGroup.Export ap.Path & "\Slide" & sl.SlideIndex & ".png", _
ppShapeFormatPNG, , , ppRelativeToSlide
Next
End Sub
Import To Google Slides
Select desired slide and set background to solid transparent
the click "File->Download as PNG"
I just tried to make a transparent image with powerpoint after failing miserably with other online systems. I was successful. Amazing.
First I used word art to give me typefaces which convert well to PNG or JPEG. The ordinary text in powerpoint does not convert well. It gets fuzzy. Anyway, I typed in my words in white (my choice of colour as i wanted it against a navy blue background), arranged it how i wanted, then right clicked and selected format shape to remove lines, then shadow to set the transparency.
I took the transparency to 100%. It came out fine. i then right clicked to save as png. Opened the image with MS Picture manager and resized the image to my suiting. It did not come out with the powerpoint white background at all. Once resized, i dropped the image against my navy blue background and it was like magic.
One workaround that I have done is:
Ctrl + a to select everything in the slideCtrl + c to copy itCtrl + v to paste all the vectors/text into the imageIt looks pretty much exactly the same as in Powerpoint, and the vectors/text are very clean with their transparency edges.
Insert a coloured box the full size of the slide, set colour to white with 100% transparency. select all, right-click save as picture, select PNG and save.
copy/paste inserted colour box to each slide and repeat
Here is my preferred quickest and easiest solution. Works well if all slides have the same background color that you want to remove.
Step 1. In Powerpoint, "Save As" (shortcut F12) PNG, "All Slides".
Now you have a folder full of these PNG images of all your slides. The problem is that they still have a background. So now:
Step 2. Batch remove background color of all the PNG images, for example by following the steps in this SE answer.
I found a workaround.
This will get good results for edges and aliasing, whilst retaining a good color for the see-
You can select the shapes within a slide (Word Art also) and right click on the selection and choose "Save As Picture". It will save as a transparent PNG.
I could do it like this
Source: Stackoverflow.com