Google Ads Large Mobile Banner (320x100) Resizer
Google accepts 320x100 pixels for the large mobile banner uploaded Display ad. Resize a static image to this exact 16:5 canvas, then verify the JPG is 150 KB or less.
320x100 Google Ads large mobile banner size
320x100 Google Ads large mobile banner size: 320×100 px, 16:5 aspect ratio.
Google accepts JPG, PNG, and GIF uploaded display ads up to 150 KB. This resizer downloads JPG and does not guarantee a target file weight.
320
width (px)
100
height (px)
16:5
aspect ratio
Need other dimensions? Browse all Google Ads sizes or use the free image resizer for any platform.
Sources
We check platform-specific dimensions against source documentation when available.
- Google Ads Help — Uploaded display ads specifications - Lists the accepted fixed dimensions, JPG/PNG/GIF formats, and 150 KB file limit.
How do I resize an image to 320x100 for Google Ads?
- 1
Step 1: Upload a static image
Choose a JPG, PNG, WebP, or HEIC source. Use artwork with enough detail for the target canvas.
- 2
Step 2: Apply the 320x100 preset
Choose Fit to keep the full image with padding or Fill to crop edge-to-edge. Review logos, text, and calls to action inside the 320×100 preview.
- 3
Step 3: Download and verify
Download the JPG, then confirm it is no larger than Google Ads’ 150 KB uploaded-display limit. Compress it separately if needed.
320x100 means 320 pixels wide by 100 pixels tall, a 16:5 aspect ratio. Google lists it for large mobile banner assets in uploaded Display ads.
All Google Ads Image Sizes
Choose another available Google Ads canvas and review its source notes
File tools
Convert the resized image
Need a different file format or transparent background? Choose a focused converter, then check the preview and encoded size before downloading.
Put Your Google Ads Large Mobile Banner (320x100) Image Into a PDF
Put one image on each page, arrange the order, and create the PDF in your browser.
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