Image Resizer

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Upload any image and resize it to exact pixel dimensions. Lock aspect ratio, choose output format (PNG, JPEG, WebP), and download instantly.

Drop an image or click to upload

PNG, JPEG, WebP, GIF supported

Dimensions

Width (px)

Height (px)

Output Format

Quality85%

SmallerBetter quality

PNG is lossless. Quality slider has no effect.

48×48

64×40

40×56

56×32

Upload an image to resize it

Works great for

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Web Image Optimization

Web developers can resize images to exact pixel dimensions needed for page layouts, reducing file size and improving page load speed. Properly sized images are one of the easiest wins for Core Web Vitals and Lighthouse scores.

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Multi-Resolution Asset Prep

Designers can resize a single high-res source image to multiple target resolutions (1x, 2x, and 3x) for responsive design systems. Exporting design assets at the right dimensions keeps UI sharp across all screen densities.

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Batch E-commerce Photo Resizing

Online store owners can resize product photos to the exact canvas size required by Shopify, WooCommerce, or Etsy in one step. Consistent image dimensions across all listings create a cleaner, more professional storefront.

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Thumbnail Generation

Content creators can downscale high-resolution originals to thumbnail dimensions for article grids, video covers, or app icons. Generating thumbnails from large photos prevents blurry scaling artifacts in feeds and galleries.

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Platform-Specific Sizing

Social media managers can resize images to the exact recommended dimensions for each platform: 1200×628 for Open Graph, 1080×1080 for Instagram, 1500×500 for Twitter headers. No guessing, no cropping surprises.

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Documentation Screenshots

Developers and technical writers can resize screenshots to a consistent width before embedding them in docs, READMEs, or wikis. Uniform screenshot dimensions keep documentation layouts clean and readable on any screen size.

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Frequently asked questions

How do I resize an image to exact pixel dimensions?

Upload your image, enter the width and height you need in pixels, and lock the aspect ratio if you want proportions preserved automatically. Choose PNG, JPEG, or WebP as the output and download instantly.

Can I resize a PNG and save it as a JPEG or WebP instead?

Yes, the resizer lets you change the output format independently of the input, so you can upload a PNG and download the resized result as JPEG or WebP, or any other supported combination.

Is there a limit on image size or how many times I can resize for free?

No, the resizer is free with no limit on how many images you resize, and it works with typical photo and graphic sizes without requiring a sign-up or subscription.

What size image do I need for an Open Graph social preview?

Open Graph images are commonly 1200x630 pixels. Enter those exact dimensions in the resizer, lock or unlock the aspect ratio as needed, and export as PNG, JPEG, or WebP for your site's meta tags.

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