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Resize Image to Passport Size 35x45mm

Convert any photo into a precise 35x45 mm passport photo — free, private, and matched to the millimeter figure printed on many application forms and photo booths.

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Take photo with camera

Upload a photo to start processing

AI automatically detects your face, crops, and removes background

Watch a quick Demo (under 2-min)

How It Works

Step-by-step guide to resize image to passport size 35x45mm to exact specifications

Upload your photo

Add a JPG, JPEG, PNG, or WEBP photo from your phone or computer. A sharp, front-facing shot with even lighting produces the cleanest 35x45mm crop.

Auto-crop to 35x45mm

Auto mode detects your face, centers it, and resizes the frame to 35x45mm while replacing the background in one pass. Manual mode is available if you want to control each step.

Download and use

Get the print-ready sheet for physical copies or the digital file for an online upload. Both are generated at 35x45mm, 413x531 pixels, 300 DPI.

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Why Choose Imresizer?

Fast, secure, and completely free image resizing

  • Precise 35x45mm output

    The tool targets 35 millimeters by 45 millimeters, which converts to 413x531 pixels at 300 DPI. That's the exact figure needed for forms and photo booth prints labeled in millimeters.

  • Nothing ever leaves your device

    Face detection, background removal, and resizing all run locally in your browser. Your photo is never uploaded to a server before, during, or after processing.

  • One-click background removal

    The original background is detected and swapped for a plain, even white background automatically — no manual erasing, layers, or separate editing app required.

  • Accurate face-centered crop

    Automatic face detection scales and centers the crop within the 35x45mm frame, so head size and positioning line up with the target dimensions instead of guesswork.

  • Free, unlimited use

    Resize as many photos as you need with no account, no watermark, and no usage limit — re-crop and re-download until the 35x45mm photo looks right.

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Frequently Asked Questions

Everything you need to know about image resizing

How many pixels is 35x45mm at 300 DPI?

35 millimeters by 45 millimeters converts to 413x531 pixels at 300 DPI. This tool exports at that exact pixel size so a printed copy measures correctly with a ruler.

How do I resize image to passport size 35x45mm accurately?

Upload a photo and let Auto mode detect your face and crop it to the 35x45mm target. The pixel math is handled for you, so there's no manual conversion between millimeters and pixels.

Why does the exact millimeter size matter for a passport photo?

The 35x45mm figure is the precise millimeter size printed on many forms. Matching it exactly avoids a photo that measures slightly off after printing.

Can I upload the digital file straight to an online application?

Yes. The digital download is sized and compressed to 35x45mm, 413x531 pixels — sized for direct upload to an online portal.

What's a common mistake to avoid when I resize image to passport size 35x45mm?

Cropping too tightly around the face can cut into the margin the 35x45mm frame needs around the head. Automatic face detection sizes the crop to leave that margin intact.

How many printed copies can I get from one upload?

The print-ready download arranges multiple 35x45mm copies on a single 4x6 or A4 sheet at full print DPI, so one upload can produce several physical photos for applications that need more than one.

Will my photo be uploaded to a server?

No. Face detection, background removal, and resizing all happen locally in your browser, so your photo is never transmitted anywhere during the process.

What image formats can I upload?

JPG, JPEG, PNG, and WEBP files are all accepted. The finished 35x45mm photo downloads as a standard file suited to both printing and digital submission.

Is it free to resize image to passport size 35x45mm with this tool?

Yes, the full workflow is free — face detection, background removal, cropping to 35x45mm, and both the print and digital downloads, with no account or watermark.

How does the tool center my face within the 35x45mm frame?

Face detection locates your eyes and head outline, then scales and positions the crop so your face sits proportionally centered inside the 35x45mm frame automatically.

What background does the tool use by default?

A plain, even white background replaces your original one automatically. If your form specifies a particular shade, switch to Manual mode to check and adjust the result before downloading.

How does Manual mode differ from Auto mode for a 35x45mm passport photo?

Auto mode handles face detection, cropping, and background replacement together for a fast result. Manual mode separates the steps, giving you more control when the original photo has uneven lighting or a busy background.
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