100% Client-Side (In-Browser)

Image Resizer Online

Resize image dimensions by pixels or percentage.

↑

Select or Drop Image Resizer File

Files are processed 100% locally in your web browser. Zero server uploads.

What is the Image Resizer?

Change image width and height with aspect ratio locking and high-fidelity interpolation.

Why Use This Tool: Images having the wrong pixel dimensions or aspect ratios for web banners, social media, or official portals.

Designed For: Photographers, graphic designers, social media managers, ecommerce sellers, and job applicants.

Key Features of Image Resizer

✓Resize by exact pixel dimensions or percentage scaling
✓Lock aspect ratio to prevent image stretching
✓Preset dimensions for social media and passport standards
✓High-quality bicubic canvas interpolation

How to Use the Image Resizer Online

  1. Upload the image to resize.
  2. Enter target width and height in pixels or scale percentage.
  3. Click Resize Image and download your resized picture.

Privacy & Technical Specifications

High-quality bicubic canvas resampling on your machine.

Output Format: .jpg / .png

Processing Engine: 100% Client-Side (In-Browser)

Maximum File Size: 50 MB

Server Storage: None (Zero file upload, processed in local memory)

Frequently Asked Questions about Image Resizer

How do I process images with the Image Resizer?

Select or drag your image into the workspace, adjust your parameters (such as dimensions, quality, or crop area), and download the processed .jpg / .png image.

Are my files or data uploaded to a remote server?

No. Toolketly operates 100% client-side in your web browser using modern WebAssembly, JavaScript, and HTML5 Canvas engines. Your private documents, images, and data never leave your computer or phone.

Is the Image Resizer completely free to use?

Yes, this tool is 100% free with no registration, no email signup, no subscriptions, and no hidden watermarks added to your files.

What file formats and sizes are supported?

This tool supports .jpg, .jpeg, .png, .webp, .bmp input files and exports in .jpg / .png format. Processing runs locally in your device memory up to 50 MB.

Can I use this Image Resizer on mobile devices?

Yes! Toolketly is fully responsive and functions seamlessly across all modern browsers on iOS, Android, macOS, Windows, and Linux without requiring any app or software installation.