Bulk Image Resizer - Resize Multiple Images at Once
Resize multiple images at once online. Change dimensions, maintain aspect ratios, and optimize your images in bulk with our free batch image resizer. Supports JPEG, PNG, WebP, and more formats.
Allowed Filetypes: All image formats (JPG, PNG, TIFF, RAW, etc.)
Max size: 100MB • Max files: 100
How to Use the Bulk Image Resizer
- Upload your image files by clicking the upload area or dragging and dropping files
- Choose your desired resize dimensions (by width, height, or custom dimensions)
- Select optional settings like format conversion, quality, or processing options
- Download your resized images individually or as a ZIP file
Frequently Asked Questions
What image formats can I resize?
The Bulk Image Resizer supports resizing AVIF, Animated PNG (APNG), BMP, GIF, HEIC/HEIF, ICO (Icon), JPE, JPG, JPG (JPEG), PBM, PGM, PNG, PNG 24-bit, PNG 32-bit, PNG 8-bit, PNM, PPM, PSD, RAW formats (CR2, CR3, NEF, ARW, DNG, ORF, RAF, etc.), SVG, TGA (Targa), TIFF, WebP, XCF. You can also convert between these formats during the resize process: AVIF, BMP, GIF, JPG (JPEG), PNG, SVG, TIFF, WebP.
How many images can I resize at once?
You can upload and resize up to 100 images simultaneously. The tool will process them efficiently and provide options to download individually or as a batch ZIP file.
Will the aspect ratio be maintained when resizing?
Yes, by default the aspect ratio is maintained. You can choose to resize by width or height, and the other dimension will be automatically calculated. You can also force exact dimensions if needed.
Are my images safe and private?
Absolutely! All image resizing is performed locally in your browser. Your images are never uploaded to our servers or shared with third parties.
Can I convert formats while resizing?
Yes, you can convert image formats during the resize process. This allows you to resize and optimize your images in one step for maximum efficiency.
What's the maximum file size I can resize?
You can resize images up to 100MB in size, and upload up to 100 files at once. These limits are optimized for WebAssembly ImageMagick processing in your browser. For best performance, consider processing very large batches in smaller groups.