No image is uploaded to AWS.
Private image resizer
Resize images to the exact dimensions you need
Change image width by pixels or percentage, preserve the aspect ratio and export JPG, PNG or WebP — all on your device.
Private by design — images never leave this browser
or drop JPG, PNG or WebP hereUp to 20 images · 25 MB each · 100 MB per batch
Conversion, compression and transparency.
Individual or ZIP download.
AdamTools Image Studio
Resize product photos, website assets, profile pictures and documents without sending them to a remote server. High-quality interpolation keeps the result clean.
Exact pixel width
Enter the required width and let AdamTools calculate a proportional height automatically.
Percentage resize
Reduce every image in a batch to 75%, 50% or any percentage between 1 and 100.
Convert while resizing
Keep the source format or export the resized result as JPG, PNG or modern WebP.
Mobile-safe processing
Two images are processed at once to control memory use on phones and tablets.
FAQ
Frequently asked questions
How do I resize an image without stretching it?
Keep the aspect-ratio option enabled and enter a width. The matching height is calculated automatically.
Can I resize several images together?
Yes. The same dimensions or percentage can be applied to up to 20 images.
Does resizing happen online?
The page is online, but image processing remains inside your browser.
Which format keeps transparency?
PNG and WebP preserve transparent areas. JPG replaces them with your selected background color.