The free bulk image resizer lets you resize multiple images simultaneously in your browser using the Canvas API. Choose from four resize modes: exact dimensions, percentage scale, fixed width with auto height, or fixed height with auto width. Output as JPEG, PNG, or WebP with adjustable quality.
Common Use Cases
Resizing product images for e-commerce
Batch resizing photos for social media
Reducing image file sizes for web upload
Creating thumbnail versions of photos
Standardizing image dimensions for CMS uploads
Frequently Asked Questions
There is no fixed limit. Performance depends on image size and your device memory.
Usually yes. Smaller dimensions produce smaller file sizes, especially combined with JPEG quality settings of 80-90%.
The Width only and Height only modes calculate the other dimension to preserve aspect ratio. Exact dimensions mode allows stretching.