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Resize Image to Postcard Size 4x6 Inch

Getting the right dimensions matters a lot for postcard printing — even a small mismatch can result in a blurry or cropped print. This tool resizes your image to standard postcard sizes (4x6, 5x7, 6x4 inch) in seconds, without any loss in quality.

Fast Image Resizer

Drop your images here

Resize JPG, PNG and WEBP images in seconds.

JPG PNG WEBP
Secure Batch Resize High quality

Uploaded Images

Drop more images or click to add
No images yet — add some above

Resize Settings

Configure size, format and quality for your images

Resize Method
Fit Fit within dimensions
Fill / Crop Fill and crop to exact size
Stretch Stretch to exact dimensions
DPI
Dimensions
inch
inch
Output Settings
90%

Advanced Options

Add padding
px

Summary

Images 8
Resize Method Fit
Dimensions 1920 × 1080 px
Units Pixels (px)
Resolution 300 DPI
Format Keep Original
Quality 90%
Recommended

Recent Setting

Apply your last resize setup

Size No recent setting
--
Save current setup first

Quick Presets

Web (1920px) 1920 × 1080 px
Full HD 1920 × 1080 px
Instagram Post 1080 × 1080 px
Instagram Story 1080 × 1920 px
Print 2480 × 3508 px
Facebook Post 1200 × 630 px
HD 720p 1280 × 720 px
Standard (4:3) 800 × 600 px

Standard Postcard Sizes

Choose the right postcard size for your printing needs. Below are the most common postcard dimensions used for both personal and business printing.

Size (inches) Size (pixels 300 DPI) Common Use
4 x 6 1200 x 1800 Standard US postcard
5 x 7 1500 x 2100 Large postcard
6 x 4 1800 x 1200 Landscape postcard
Easy Resizing Guide

How to Resize Image to Postcard Size 4x6 Inches

Upload your image, confirm the 4 x 6 inches preset, select 300 DPI and download the finished image.

01

Upload Your Image

Select an image from your device or drag and drop it into the upload area.

02

Confirm the Preset Size

The dimensions are already set to 4 × 6 inches. At 300 DPI, the output will be approximately 1200 × 1800 pixels.

03

Choose a Resize Method

Choose Fit, Crop or Stretch depending on how you want the image to appear inside the final dimensions.

04

Resize and Download

Adjust the format or quality if needed, resize the image and download the completed file.

Preserve full image

Fit

Fit keeps the complete image visible while preserving its original proportions. Background space may appear when the source image has a different aspect ratio.

Best for logos, artwork and product photos
Fill complete area

Crop

Crop fills the complete output area without distortion. Some content may be removed from the sides or from the top and bottom.

Best for profile pictures and thumbnails
Force exact dimensions

Stretch

Stretch changes the image directly to the selected width and height. It does not crop content, but it may distort the original proportions.

Best for social media posts and banners
Why Convert?

Why Use This Tool

Built for speed, quality, and simplicity — resize your images without any technical hassle.

01

Print-Ready Quality

300 DPI High-Resolution Output Every resized image is optimized at 300 DPI, the industry-standard resolution for professional printing. Your postcards will look sharp and clear, not blurry or pixelated.

02

Completely Free

No Signup, No Hidden Charges Use the tool as many times as you want without creating an account or entering payment details. Resize images at zero cost.

03

Instant Processing

Fast, Browser-Based Resizing No software download required. Your image is processed directly in the browser, giving you a resized, print-ready file in just a few seconds.

04

All Standard Sizes

Supports Every Common Postcard Size Whether you need 4x6, 5x7, or 6x4 inch, this tool covers all standard postcard dimensions so you don't have to manually calculate pixel sizes.

Frequently Asked Questions

Frequently Asked Questions

Common questions about resizing images to postcard size, print quality, and supported formats.

The most common postcard size in the USA is 4x6 inches. This is the standard size accepted by USPS and used by most printing services for personal and business postcards.