Click to choose or drag and drop images here
Photos keep their proportions. Leave a box empty to set no limit on that side.
Quick Method to Resize Images
How to resize images in bulk: choose up to 20 photos, set a width, height or percentage, and click Resize images. Then download each photo or all of them as a ZIP.
Why Use This Tool?
Many Photos, One Setting
Apply the same width, height or percentage to up to 20 photos in one go.
ZIP Download
Download every resized photo together as a single ZIP file.
Keeps Proportions
Photos keep their shape, so nothing looks squashed or stretched.
No Login Required
Use it without creating an account or wasting time.
How to Use Bulk Image Resizer Tool
- 1
Choose up to 20 photos, or drag them into the upload area.
- 2
Pick how to resize: fit within a width and height, or scale by a percentage.
- 3
Set your limits. In pixel mode you can leave one box empty to set no limit on that side.
- 4
Choose an output format, or keep each photo's own format.
- 5
Click Resize images and wait for the progress line to finish.
- 6
Download each image on its own, or click Download all as ZIP.
Step-by-Step Pictorial Guide — Easy to Use
Step 1 Three photos added to the Bulk Image Resizer with the resize settings shown 
Step 2 Resized photos listed with their new sizes and a Download all as ZIP button
Common Uses
- Prepare a batch of product photos for an online store.
- Shrink holiday photos before emailing them.
- Make matching thumbnails for a website or blog.
- Resize event photos for social media.
- Reduce photo sizes before uploading a whole folder.
- Get images ready for a presentation or document.
Tips
- Keep the 'Don't Enlarge' option ticked to avoid enlarging small images.
- Photos always keep their proportions, so nothing looks squashed.
- Keep your original images; the tool creates new files.
Resize a batch of photos Without Complicated Software
You do not always need a desktop photo editor just to resize a batch of photos. FastestImageTools keeps it simple so you can make the change you need and get back to your work without unnecessary editing tools.
Frequently asked questions
How many photos can I resize at once?
Up to 20 photos at a time, each up to 30 MB.
What happens if one photo fails?
The others still finish. The failed photo shows an error message in its row.
What is inside the ZIP file?
Every photo that was resized successfully. If two files have the same name, the second one gets a number added.
What does Same as original mean?
JPG, PNG and WebP files keep their format. Other types, such as GIF and BMP, are saved as JPG.
Are my photos uploaded?
No. Everything runs in your browser, so your photos are not sent to our servers.