Resize Image to 3x4 - JPEG Image Resizer

➕ Select file

Choose maximum 50 images at once.

To retain the original aspect ratio of the resized image, either leave the Height or Width field blank. Alternatively, inputting the same percentage for both fields will also preserve the original aspect ratio.

cm
cm

    Privacy: Files are NEVER sent to the server, and all processing is handled via your own browser. The image or any image related data is never stored.

    How to Resize an Image to 3x4

    1. Upload Your Image Begin by uploading your image to the JPEG Optimizer tool.
    2. Adjust Size By default, the dimensions are set to 3x4 cm—but you can modify them to fit your specific needs.
    3. Click "Resize Image" Your image will be resized in just a few seconds.
    4. Download Once resized, preview and download your perfectly adjusted image.

    Need even more precision? You can also switch to millimeter (mm) resizing, such as 3x4 mm, using the same tool.

    Key Features of JPEG Optimizer

    • Supports All Major Image Formats Works with JPG, JPEG, PNG, WEBP, and more.
    • Batch Resizing Resize multiple images to 3x4 cm or 3x4 inches in one go.
    • Privacy First Your images can be deleted immediately after processing, or will be auto-deleted after 25 minutes.
    • Custom Background Colors Choose from off-white, red, or blue—ideal for passport photos and official documents.
    • Crop Before Resize Focus on the subject or remove unwanted areas with our built-in cropping tool.
    • Live Preview Preview your resized image before downloading to ensure everything looks perfect.
    • No Registration Required Use JPEG Optimizer right away—no sign-up, no login, no hassle.
    • Mobile-Friendly Design Fully accessible on desktop, laptop, tablet, and smartphone—resize images anywhere, anytime.

    Perfect for 3x4 Passport Photos

    Many official portals require 3x4 images with specific background colors. JPEG Optimizer handles this effortlessly—just upload, select 3x4 cm and background color, and download your passport-ready photo.

    Conclusion

    Whether you’re preparing a passport photo, resizing images for job or school applications, or working on a creative project,JPEG Optimizer delivers a fast, secure, and user-friendly experience. With support for all formats, custom sizing, cropping, and background adjustments, it’s the smartest way to resize images to 3x4 cm or inches—without complicated software.

    Try it today and experience hassle-free, high-quality image resizing.

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