Bulk Resize Images Online, Free — Same Dimensions, Every File
File Tools Online · July 2026 · 5 min read
Marketplace and storefront platforms — Shopify, Etsy, Amazon — are strict about product image dimensions, and resizing 50 product photos to the exact same size one at a time is exactly the kind of task that should be automated. This tool batch-resizes an entire folder of images to identical dimensions in one pass.
Consistent Dimensions Across a Whole Catalog
Upload a ZIP of images — or a single image — and every file comes back resized to the same target width, with aspect ratio maintained, so your entire product catalog or photo set ends up visually consistent rather than a mismatched grid of different-sized thumbnails.
Built for E-Commerce Workflows
Marketplace platforms enforce specific image dimensions (Amazon and Etsy both commonly require product images sized around 1000×1000 or larger), and inconsistent image sizes across a storefront look unprofessional and can even trigger listing rejections. Batch resizing an entire product shoot to spec before upload solves this in one step instead of one image at a time.
How to Bulk Resize Images Online
- Create a free account — no credit card required.
- Go to Tools → Image Tools → Bulk Image Resizer.
- Upload a ZIP of images or a single image.
- Set your target width — aspect ratio is preserved automatically.
- Download all resized images as a ZIP file.
Try it free — no credit card required
10 jobs per day. No credit card required. All 140+ tools available from day one.
Use Bulk Image Resizer Now →Related Reading
See also: converting and resizing hundreds of images at once.
Frequently Asked Questions
How do I resize many images to the same dimensions?
Upload them together as a ZIP and set one target width — every image is resized consistently in a single pass.
How many images can I resize at once?
There's no fixed file-count cap beyond your plan's size allowance.
Will it maintain aspect ratio?
Yes, aspect ratio is preserved by default when resizing to the target width.
Can I resize product photos for Amazon, Etsy, or Shopify?
Yes — set the width to match your marketplace's required image dimensions (commonly 1000×1000 or larger for Amazon and Etsy).
Are my images uploaded and stored anywhere?
No — files are processed privately and deleted within 30 minutes.