Image Resizer

Resize images to any dimension. Maintain aspect ratio while resizing.

Drag & drop an image here

or click to browse

or import from

How to Use Image Resizer

Upload your image

Drag and drop or click to upload any JPEG, PNG, or WebP image you want to resize.

Set dimensions

Enter your desired width and height in pixels. Enable aspect ratio lock to resize proportionally without distortion.

Preview and download

Preview the resized image to verify it meets your requirements, then click download to save the result.

About Image Resizer

Resize images online for free with our Image Resizer. Change image dimensions to exact pixel sizes or scale by percentage while maintaining aspect ratio. Perfect for resizing photos for social media profiles, website thumbnails, email signatures, print materials, and passport photos. Supports JPEG, PNG, and WebP formats with high-quality output. Preview the resized result before downloading. No Photoshop or software installation needed — everything runs privately in your browser.

Key Features

Resize images to exact pixel dimensions or by percentage for precise control
Maintain aspect ratio to prevent stretching or distortion when resizing
Support for PNG, JPG, and WebP formats with high-quality output
Preview resized image before downloading to verify dimensions and quality
Resize images for social media, web, email, and print with preset sizes
100% private — all resizing happens in your browser, images are never uploaded to any server

Frequently Asked Questions

How to resize an image online for free?▾

Upload your image to our free Image Resizer, enter your desired dimensions, and download the resized result. No signup, no watermarks, no limits — completely free.

How to resize image without losing quality?▾

Use our Image Resizer with aspect ratio lock enabled to prevent distortion. Shrinking images preserves quality well. For enlarging, moderate increases (up to 2x) maintain acceptable quality.

What is the best free image resizer?▾

Anykast Image Resizer offers precise dimension control, aspect ratio preservation, and format support for JPEG, PNG, and WebP — all free, private, and without software installation.

Can I resize images without Photoshop?▾

Yes! Our online Image Resizer is a free alternative to Photoshop for resizing. No software needed — just upload, set dimensions, and download directly in your browser.

How to resize image for social media?▾

Upload your image and enter the recommended dimensions for your platform (e.g., 1080x1080 for Instagram, 1200x630 for Facebook). Our tool resizes with high quality.

Is this image resizer safe and private?▾

Yes. All resizing happens in your browser. Your images are never uploaded to any server, ensuring complete privacy for personal and sensitive photos.

Can I resize images without stretching?▾

Yes. Enable the aspect ratio lock to resize proportionally. Set either width or height, and the other dimension adjusts automatically to prevent stretching.

How to change image dimensions in pixels?▾

Upload your image, enter the exact width and height in pixels, and click resize. You can set precise dimensions for any requirement.