Image • Resize • Crop

Image Resizer & Cropper

Resize and crop images to exact pixel sizes or social presets. Runs fully in your browser — files never leave your device.

Upload image

About Image Resizer & Cropper

Resize photos to exact pixel sizes for social media, websites, and uploads. Crop with live preview, lock aspect ratio, and export PNG, JPG, or WebP — all in your browser.

When to Use This Tool

Image Resizer & Cropper is designed for everyday tasks where speed and simplicity matter. Whether you are handling a single file or working through a batch, ConvertMastery keeps the workflow straightforward with clear settings and instant downloads.

Create Instagram square posts and stories. Prepare Open Graph images at 1200×630. Resize product photos to consistent dimensions. Make favicon-ready 32×32 icons. These are among the most common reasons users choose this tool on ConvertMastery.

Tips for Best Results

For the best outcome, start with a high-quality source file when possible. If you are preparing images for the web, consider converting to WebP or compressing after conversion. For documents, review the output before deleting originals. When privacy matters, prefer settings that strip metadata and use browser-based processing when available.

ConvertMastery is updated regularly to support modern formats and browsers. If you need help, visit our documentation guide or browse related tools linked below. Processing is private and on-the-fly — results are not saved to our servers.

How to Use

  1. Upload an image.
  2. Choose a preset or enter custom width and height.
  3. Adjust crop and zoom.
  4. Download the resized image.

Supported Formats

Input: JPG, PNG, WebP, GIF. Output: PNG, JPG, WebP.

Privacy & Security

ConvertMastery processes files locally in your browser whenever possible. Your images, documents, and media are not uploaded to our servers for conversion or compression. This privacy-first approach keeps your data on your device and reduces exposure to third parties.

Common Use Cases

  • Create Instagram square posts and stories.
  • Prepare Open Graph images at 1200×630.
  • Resize product photos to consistent dimensions.
  • Make favicon-ready 32×32 icons.

Related Tools

Frequently Asked Questions

Are my images uploaded?

No. Cropping and resizing run entirely in your browser.

Can I keep aspect ratio?

Yes. Enable lock aspect ratio based on your target width and height.