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Image Resizer

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Resize JPEG, PNG, WebP, and GIF images to exact pixel dimensions with aspect-ratio lock.

Privacy & Data Handling: Browser Mode resizes your image 100% locally on your device without uploading. Server Mode uploads the image ephemerally for GD processing and deletes the temporary file immediately.
HYBRID MODE
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Browser Mode processes 100% locally on your device. Server Mode uploads ephemerally and deletes the temporary file immediately.
Download Resized Image
Resized preview

How to Use Image Resizer

  1. Select or drag and drop a JPEG, PNG, WebP, or GIF image (up to 5 MB).
  2. Enter your target width and height in pixels, keeping Lock Aspect Ratio enabled to prevent stretching.
  3. Preview the resized dimensions and download the optimized file.

About This Utility

Resize raster images rapidly in your browser using HTML5 Canvas or via our server-side GD processor. Preserves alpha transparency for PNG and WebP files and enforces strict MIME validation.

Frequently Asked Questions

Yes. Both the browser Canvas processor and the server GD engine preserve full alpha channel transparency for PNG and WebP images.
Privacy & Analytics Preferences: ToolsFire processes tool inputs ephemerally without logging. With your consent, we use Google Analytics 4 (with IP anonymization) to measure aggregate traffic. See our Privacy Policy.