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Free digital advertising tool
Display Ad Banner Size Preview
Preview five common ad-creative canvas sizes and understand their aspect ratios before building or resizing a banner.
Preview a size ↓
Choose a popular banner size
Visual is scaled to fit your screen. The label reports the selected pixel dimensions, not the rendered CSS box size. Actual platform specifications and safe areas vary and must be checked before uploading ads.
Popular display ad dimensions
- 728×90 — Leaderboard
- 300×250 — Medium rectangle
- 336×280 — Large rectangle
- 300×600 — Half page
- 320×100 — Large mobile banner
Use Image Resizer or Image Optimizer to prepare a local creative. This preview is informational, not an ad policy validator.