Resize for Poster

Auto-set to 5400×7200px (18×24 in at 300 DPI). Perfect for event posters and promotional prints.

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PNG, JPG, WebP, BMP — any size, mochi handles it all

Resized Image
Result
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Image too small? Sharpen first

If your image is smaller than the target size, use Sharpen for better clarity, then resize.

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Type Dimensions Ratio
Print Size18×24 in
Pixels (300 DPI)5400×7200
Resolution300 DPI (print quality)
Best ForEvent posters and promotional prints

Frequently Asked Questions

What resolution do I need for poster?
For 18×24 in at 300 DPI (print quality), you need 5400×7200 pixels. 300 DPI ensures sharp, professional results.
What DPI should I use for printing?
300 DPI is the standard for high-quality prints. 150 DPI is acceptable for large prints viewed from a distance. Never go below 100 DPI for any print.
Can I print a small image at 18×24 in?
You can, but small images enlarged to 5400×7200 may look blurry or pixelated. For best results, start with an image at least as large as the target resolution.