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RatioGuard
PRINT RATIO CHECKER + CROP PREVIEW

See the crop.
Before buyers do.

Drop in your artwork, choose a common print ratio, and instantly see what gets cut off. Check 300 DPI requirements, move the focal point, and export clean ratio-ready files — locally in your browser.

Check an image
2:34×6 · 8×12 · 24×36
3:46×8 · 12×16 · 18×24
4:58×10 · 16×20
11:1411×14 · 22×28
AA5 · A4 · A3 · A2 · A1
CHECKER

Load artwork and choose a ratio

The yellow box is what survives the crop.

Load an image to inspect its printable ratios.
Nothing loaded yet.
Use the demo if you want to test the crop math first.
Crop removed
Required pixels
Resolution
Max print at DPI
Important: RatioGuard checks geometry and source resolution. It does not guarantee a marketplace, printer, or customer will accept a file. Review each exported crop before selling or printing.
HOW IT HELPS

One source file, fewer “wrong ratio” surprises

1

Load artwork

Everything stays on your device.

2

Pick a ratio

See exactly which edges are lost.

3

Check resolution

Compare remaining crop pixels with your chosen print size and DPI.

4

Export

Download one crop or all five common ratio families as a ZIP.