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.

Exact pixelsPercentage scalingSocial presetsCrop and zoomLocal processing
Free to use with no account needed
Instant processing
No sign-up or installation
Adjust quality and format
Works directly in your browser
Client-side private processing

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.

Bulk resize images online

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.

Resize image dimensions online

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.

Resize image dimensions online

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?

Yes. The tool is free with no account, subscription, or watermark required.

Are my images uploaded to any server?

No. All resizing, cropping, and encoding occur locally in your web browser. No image data is transmitted to our servers.

Which image formats can I resize?

You can import JPG, PNG, WebP, AVIF, SVG, and GIF files, and export to JPG, PNG, WebP, or AVIF.

Can I resize to exact pixel dimensions?

Yes. Switch to Custom mode to enter exact pixel width and height, or scale by percentage with aspect ratio locked.

Does resizing reduce image quality?

Downscaling reduces pixel count but keeps visual quality crisp. For JPG, WebP, and AVIF outputs, you can adjust the quality slider to control visual fidelity.

Can I resize multiple images at once?

Yes. For batches of up to 50 images, use our Bulk Resize tool to resize, compress, and download everything as a ZIP archive.
Resize Image Online by Pixels or Preset | Free and Private