Online Image Resizer
Quickly resize images with proportional scaling or custom dimensions.
Drop images here
Supports JPG, PNG, WebP and other formats
Why Use the Image Resizer
Precise Control
Set exact width and height values, with support for proportional scaling or custom dimensions.
Keep Proportions
Automatically maintain aspect ratio to prevent image distortion.
Fast Processing
Leveraging Canvas technology for millisecond-fast processing.
Batch Processing
Resize multiple images simultaneously to improve your workflow.
How to Resize Images Online Free
Drop Your Images
Click the upload area or drag images into the browser. This image resizer works with JPG, PNG, WebP, and other common formats. Upload multiple files for batch processing. A single photo or an entire collection — no problem. Everything stays local in your browser, private and secure. No file size limits either, so high-res camera shots are fine.
Set Dimensions and Preserve Proportions
Enter width and height values, or pick from presets like 1920x1080 (Full HD), 1280x720 (HD), 800x600, or 400x400 (square). The aspect ratio lock keeps images from distorting — enter one dimension and the other adjusts automatically. You can also change the output format at the same time, converting to JPG, PNG, or WebP while resizing. One tool, two jobs.
Download Resized Images
Each resized image shows its new dimensions and file size. Download individually or batch-save everything. High-quality resampling keeps images sharp and detailed. Ready for websites, social media, email campaigns — anywhere specific dimensions are required.
Image Resizing Tips
Sizing Images for Social Media
Each platform has its sweet spot. Instagram feed posts: 1080x1080 (square) or 1080x1350 (portrait). Twitter/X in-feed images: 1200x675. Facebook posts: 1200x630. LinkedIn shared links: 1200x627. Pinterest pins: 1000x1500 (2:3 ratio). Matching these exact dimensions means your content never gets awkwardly cropped or stretched. Better visuals, better engagement.
Resizing vs Cropping
They serve different purposes. Resizing scales the whole image up or down — you keep everything, just smaller or bigger. Cropping removes parts of the image to change composition or aspect ratio. Use resizing when you need to fit a layout without losing content. Use cropping when you want to reframe the shot or remove edge elements. For best results, crop first in a dedicated editor, then resize to your target dimensions.
Right Dimensions for Every Use Case
Website hero banners: 1920x1080. E-commerce product thumbnails: 800x800 to 1200x1200. Full product shots: 800x1200. Email newsletter images: 600px max width. YouTube thumbnails: 1280x720. Blog featured images: 1200x630. Using the right dimensions improves visual quality, cuts bandwidth waste, and makes your content look professional everywhere.
Frequently Asked Questions
Does resizing an image affect its quality?
Downscaling (making the image smaller) typically preserves perceived quality well because excess pixels are merged. Upscaling (making it larger) causes quality loss because the software has to invent pixels. For best results, always start with the largest source image available when you need to upscale.
What dimensions can I resize my image to?
You can enter any width and height in pixels. The tool supports custom dimensions and maintains aspect ratio by default. Common presets include 1080×1080 (Instagram square), 1920×1080 (HD wallpaper), 800×800 (product photos), and 1200×630 (social share images).
Will metadata be preserved after resizing?
Basic image metadata may be stripped during resizing as the tool regenerates the image. For most web and social media use, this is fine. If you need to preserve EXIF data like camera settings or GPS coordinates, save a copy of the original before resizing.
How many images can I resize at once?
There is no limit. Upload multiple images and resize them all to the same dimensions in one batch operation. Each image is processed independently, and you can download them individually or use the 'Download All' button for efficient bulk processing.