FotoMedida

CropToSize

True 1:1 Exact Photo Sizer for A4, A3 & US Letter

🟢 True 300+ DPI Print Quality

1. What is the initial target size for your photos?

Select a popular standard frame/passport size below or enter a custom millimeter/inch size. In Step 3 you can also set different sizes for individual photos.

Units:

📏 Define Custom Exact Size (Lockets, Keychains, Non-Standard Frames)

Enter any dimension in inches (in), cm, or mm with decimal point or comma (e.g., 2.5 × 3.5 in or 6.5 × 9.2 cm).

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Complete Guide: How to Print Photos at Exact 1:1 Size on US Letter, A4, or A3 Paper

Prepare crystal-clear 300 DPI photos for frames, lockets, albums, and official ID/Passports directly in your browser.

📐 Exact 4×6" & 5×7" Nesting on Letter / A4

Our smart 2D Bin-Packing engine automatically fits two 4×6 in (10×15 cm) or two 5×7 in (13×18 cm) photos onto a single A4 or US Letter sheet using automatic 90° rotation, corner crop marks, and a 2-inch / 5-cm verification ruler.

🪪 2×2" US Passport, 35×45 mm ID & Polaroid

Includes an ICAO biometric head/eye oval guide for official passport and ID photos (in packs of 4, 6, or 8), plus classic Polaroid frames (3.5×4.2 in / 88×107 mm) with custom captions in 10 commercial-free fonts.

🔒 100% Local Privacy & No-Crop Blur Fill

Your photos never leave your device. For tall 9:16 smartphone photos, choose "Full Photo + Blur Fill" in Step 3 to fit a 4×6" frame without cropping out heads or feet.

Standard Photo Print Sizes & Ideal 300 DPI Pixel Resolution Reference Table

Format / Common Name Size (cm) Size (mm) Inches (in) Aspect Ratio 300 DPI Resolution (px)
10 × 15 cm (Postal / 4R) 10 × 15 cm 100 × 150 mm 4 × 6 in 2:3 1181 × 1772 px
13 × 18 cm (Moldura Média / 5R) 13 × 18 cm 130 × 180 mm 5 × 7 in 13:18 1535 × 2126 px
15 × 20 cm (Moldura Grande / 6R) 15 × 20 cm 150 × 200 mm 6 × 8 in 3:4 1772 × 2362 px
20 × 25 cm (Estúdio / 8R) 20 × 25 cm 200 × 250 mm 8 × 10 in 4:5 2362 × 2953 px
21 × 29,7 cm (A4 Completo) 21 × 29,7 cm 210 × 297 mm 8.3 × 11.7 in 1:√2 2480 × 3508 px
9 × 13 cm (Álbum Compacto) 9 × 13 cm 90 × 130 mm 3.5 × 5 in 9:13 1063 × 1535 px
8,9 × 12,7 cm (L-Size Japonês / 3R) 8,9 × 12,7 cm 89 × 127 mm 3.5 × 5 in 7:10 1051 × 1500 px
6 × 9 cm / Carteira (Wallet) 6,35 × 8,89 cm 63,5 × 88,9 mm 2.5 × 3.5 in 5:7 750 × 1050 px
3,5 × 4,5 cm (Foto Passe UE / ICAO) 3,5 × 4,5 cm 35 × 45 mm 1.38 × 1.77 in 7:9 413 × 531 px
5,1 × 5,1 cm (US Passport Photo) 5,1 × 5,1 cm 51 × 51 mm 2 × 2 in 1:1 600 × 600 px
8,8 × 10,7 cm (Polaroid Clássica) 8,8 × 10,7 cm 88 × 107 mm 3.5 × 4.2 in Foto 79×79 mm 1039 × 1264 px
10 × 10 cm (Quadrado Instagram) 10 × 10 cm 100 × 100 mm 4 × 4 in 1:1 1181 × 1181 px

Frequently Asked Questions about Exact 1:1 Photo Printing (FAQ)

1. How do I print a 4×6 in (10×15 cm) photo on US Letter or A4 without the printer scaling it?

Select 4×6 in (10×15 cm) in Step 1, frame your photo in Step 3, and download the 1:1 Print PDF in Step 4. In your printer dialog, select "Actual Size" or "Scale: 100%" (disable "Fit to Page"). Verify accuracy using the 2-inch / 5-cm ruler printed at the bottom of the sheet.

2. Can two 5×7 in (13×18 cm) or two 4×6 in photos fit on a single A4 or Letter sheet?

Yes! Our 2D Bin-Packing algorithm automatically rotates photos by 90° when needed, fitting two 5×7 in (13×18 cm) or two 4×6 in (10×15 cm) photos onto a single sheet with precision crop marks.

3. How can I print a vertical 9:16 phone photo in 4×6" without cropping people out?

In Step 3, select "Full Photo + Blur Fill (No Cropping)". The tool keeps 100% of your vertical photo centered and fills the side margins with a soft blurred background from the photo itself or classic white bars.

4. Can I combine ID/Passport photos, Polaroids, and standard frame sizes on the same sheet?

Yes. In Step 3 you can assign a different target size to each individual photo (e.g., a 4-pack of ID photos, a captioned Polaroid, and a 4×6" print). Step 4 nests all of them together onto your chosen sheet.

5. Are my personal photos uploaded to any external server?

Never. All image framing, DPI calculation, and 300 DPI PDF generation happen 100% locally inside your browser memory (GDPR compliant). Zero photos are uploaded to any server.

6. How do I create custom photo sizes for lockets, keychains, or non-standard frames?

In Step 1 or Step 3, click "+ Custom Size" and enter the exact width and height in inches (in), centimeters (cm), or millimeters (mm) with decimal precision (e.g., 1.5 × 2 in or 42 × 55 mm).