📦 Bulk Image Resizer

Resize images in bulk by dimension or percentage - Export as .ZIP

📁 Click to select or drag and drop multiple images (Recommend: Up to 100 files for best performance)

No files selected

🔒 Browser-Based Privacy

Enterprise-Grade Privacy: Your data stays strictly within your secure session. We employ zero-knowledge architecture to ensure that your files remain completely inaccessible to anyone—including us.

🚀 Batch Processing

Efficiency at scale: Resize dozens of images simultaneously using local hardware acceleration for lightning-fast results.

✅ High Compatibility

Support for major web formats including JPEG, PNG, and WebP, ensuring your resized images are ready for any platform.

How to resize images in bulk?

  1. Click the upload section to select multiple images or drag and drop them directly.
  2. Choose your preferred resize mode: by specific width, height, or by a percentage scale.
  3. Set the desired value and output format for your images.
  4. Click "Start Batch Resizing" and monitor the progress bar.
  5. Download your optimized images as a single ZIP file or individually.

Supported Formats & FAQ

Our tool supports JPG, PNG, and WebP as both input and output. Because all processing occurs directly in your browser using the HTML5 Canvas API, your original high-resolution photos are never sent to a remote server, keeping your data safe and private.