Resize images by pixels, percentage, or preset
Resize an image to exact dimensions, scale it by percentage, or choose a social preset. Crop and preview the result, then export as JPG, PNG, WebP, or AVIF without uploading the file.
How to Resize Images Online
1. Select Image
Choose or drag a JPG, PNG, or WebP image into the local resizer.
2. Set Dimensions or Preset
Type exact pixel dimensions, choose a social preset, or adjust the crop area.
3. Preview and Download
Preview your changes with the live zoom viewer and download your finished image.

Local-First Processing With Zero Uploads
All image scaling and encoding happen in your browser using the HTML5 Canvas API. Your pictures never touch an external server.
Fast, confidential, and safe for personal photos, internal corporate graphics, and sensitive client assets.

Exact Dimensions and Aspect Presets
Specify width and height in pixels, points, inches, centimeters, or millimeters. Lock aspect ratio to prevent distorted stretching.
Select social media presets for Instagram, Facebook, YouTube, LinkedIn, X (Twitter), and Pinterest in one click.

Integrated Visual Crop and Format Export
Fine-tune composition using interactive drag handles and zoom control before finalizing your dimensions.
Export clean outputs in JPG, PNG, WebP, or AVIF with adjustable quality settings to balance clarity and file weight.
Frequently Asked Questions
Common questions about resizing images locally with ResizeImage.dev
Is this image resizer free to use?
Are my images uploaded to any server?
Which image formats can I resize?
Can I resize to exact pixel dimensions?
Does resizing reduce image quality?
Can I resize multiple images at once?
Related image tools
Explore more local, privacy-safe browser image utilities
Resize multiple images
Batch resize, compress, and convert up to 50 photos in one click.
Compress an image
Reduce JPG, PNG, and WebP file sizes with live size and quality previews.
Compress image to KB
Target exact file thresholds like 20KB, 50KB, 100KB, or custom sizes.
Crop an image
Crop to exact dimensions, fixed aspect ratios, or circle masks with transparency.