Free Online Tools · No Upload · 100% Private

Image Resizer

Resize your images to exact pixel dimensions or percentage scales without uploading them to the cloud. Perfect for social media posts, passport photos, or website optimization.

🔒 No Server Upload ⚡ WebAssembly Speed 🆓 100% Free Forever

How to Use Image Resizer

  1. Step 1: Upload your image (JPG, PNG, WebP).
  2. Step 2: Enter the desired Width and Height.
  3. Step 3: Or use the percentage slider to scale down.
  4. Step 4: Download the resized image.

Key Features

  • Maintain Aspect Ratio lock.
  • High-quality bicubic resampling.
  • Supports batch resizing (coming soon).
  • Privacy-guaranteed local processing.

Frequently Asked Questions

Will I lose image quality?

Scaling down maintains quality. Scaling up (upscaling) may cause some pixelation.

What formats are supported?

We support all modern web formats including JPEG, PNG, and WebP.

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🔒 Privacy & Security by Design

Dumkera is built for the security-conscious professional. By using WebAssembly (WASM) and ONNX Runtime, we move the processing from our servers to your machine. Traditional online tools require you to upload your sensitive PDFs, private photos, and videos to their cloud.

On Dumkera, your files never leave your device. Open your browser's Developer Tools (Network Tab) and verify it for yourself. We are GDPR compliant, CCPA compliant, and enterprise-ready.