How to Make an Image Transparent for PowerPoint & Google Slides

A logo, product photo, or cutout dropped onto a coloured or dark slide often arrives with an unwanted rectangle around it — the classic sign that the image has an opaque background instead of a transparent one. Fixing this takes two things: a properly transparent PNG, and knowing exactly where PowerPoint and Google Slides expect you to insert it. Both parts are quick once you know the steps.

Why a white or coloured box appears behind your image

Presentation software does not add background boxes on its own — the box is part of the image file itself. It happens when the inserted picture is a JPG (which cannot store transparency at all) or a PNG that was never actually made transparent in the first place. For the full explanation of the file-format side of this, see PNG vs JPG: why transparent backgrounds turn white.

Method 1: Make the background transparent first, then insert (recommended)

1. 1

   Prepare your image

   Go to Make Background Transparent and drop in your photo, logo, or graphic. Choose "People & portraits" mode for photos of people, or "Any subject" for everything else.

2. 2

   Download the transparent PNG

   Confirm the download is a .png file — this is the default output and the one you want for slides.

3. 3

   PowerPoint: Insert → Pictures → This Device

   Select your transparent PNG file and click Insert. The current slide background shows through immediately.

4. 4

   Google Slides: Insert → Image → Upload from computer

   Select the same PNG file. Slides handles the transparency identically to PowerPoint.

5. 5

   Resize and position as needed

   Drag the corner handles to resize while holding the aspect-ratio lock, and layer it over any background colour, gradient, or photo — the transparent areas stay see-through at any size.

Method 2: Use PowerPoint's or Slides' built-in background removal

PowerPoint (desktop) includes its own Remove Background tool: select the image, open the Picture Format tab, and click Remove Background. PowerPoint automatically guesses what to keep, and you can drag handles or use "Mark Areas to Keep / Remove" brushes to correct it before clicking Keep Changes. This is convenient for a quick single-slide fix without switching apps, though on complex edges — hair, fur, fine detail — it is generally less precise than a dedicated AI-based tool. Google Slides does not currently include an equivalent built-in background remover, so for Slides, Method 1 above is the practical option.

Tips for a clean look on a slide

• Match the subject's original lighting to your slide theme where possible — a harshly lit photo cutout can look pasted-on over a soft-toned slide background.
• For logos with thin strokes or small text, zoom in on the inserted image at full size to check edges before presenting.
• Using several cutouts in one deck? Process them with the same mode and settings for a visually consistent result across slides.
• Keep transparent images as PNG rather than converting to WebP for slide decks — WebP is excellent for websites, but PowerPoint in particular does not reliably support it as an inserted image format.
• If you use PowerPoint's "Compress Pictures" feature, test on one slide first — compression settings can occasionally affect image quality more than expected on cutouts with fine edges.

Troubleshooting

• White or coloured box still appears after inserting: the file was likely re-saved or re-exported as JPG at some point — re-download the transparent PNG from the original tool rather than reusing a copy that has changed hands.
• Image looks pixelated when enlarged on the slide: use the highest-resolution version of the source photo before removing the background — enlarging a low-resolution cutout will always look soft, transparency or not.
• Inserting many transparent images makes the file large: this is normal for PNG at high resolution; consider resizing images to the actual display size needed on the slide rather than relying on PowerPoint to scale down a much larger file.