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Resize Image for Web Banner — Free Online

Resize images for standard leaderboard web banner ads. Output: 728×90px. Browser-based — no upload, instant results.

✓ Free⚡ Instant🔒 No Upload
No. All resizing runs entirely in your browser using the Canvas API. Files never leave your device.
Settings
Width (px)
Height (px)
Fit Mode
Output Format
Processing…
0%
smaller
PreviewTap to zoom
ORIGINAL

Original

RESULT

Result here

How to Use

01
Upload your image — JPG, PNG, WebP or HEIC supported.
02
The tool pre-sets 728×90px optimised for standard leaderboard web banner ads.
03
Choose Cover (crop-to-fill) or Contain (fit-with-padding) mode.
04
Download your resized image.
Quick Answer

Resize Image for Web Banner: Resize images for standard leaderboard web banner ads. Output: 728×90px. Browser-based — no upload, instant results. Free, instant, no upload required.

Frequently Asked Questions

The recommended size is 728×90 pixels. This provides the best display quality for standard leaderboard web banner ads.
Downscaling reduces file size with minimal quality loss. For upscaling, use the AI Upscaler for best results.
Yes — works in Chrome, Safari, Firefox on all devices. No app needed.
Enable "Lock aspect ratio" before resizing to prevent stretching. This ensures width and height scale proportionally. For social media presets, Pixaroid automatically crops to fill the exact frame using Cover mode — you can switch to Contain mode to show the full image with letterboxing instead.
For standard web use, aim for images under 150KB and no wider than 1600px. Hero images can be up to 1920px wide. Use WebP format for the best quality-to-size ratio. Images above 1MB significantly slow page load speed and hurt SEO rankings.