Resize Images Online
Resize your images by pixels or percentage and keep their proportions.
Start with your images
Drop files here, or choose them from your device.
JPEG, PNG or WebP · Up to 100 files · 50 MB per file · 500 MB combinedYour images 0
Your resized images.
For stability, ZIP downloads are split into parts of up to 20 images or 64 MB. Click repeatedly to download each part; particularly large images remain available individually.
The right size for your next task.
Keep the proportions.
Leave aspect ratio locked to avoid stretching. Width determines the size of each image; its height is calculated from its original proportions.
Pixels or percentage.
Enter exact dimensions, or choose a percentage of the original. Enlarging an image adds pixels but does not recover missing detail.
Your files stay with you.
Processing happens in your browser. No image is uploaded to an application server. Clear the list to remove the selected files and generated results from this page.
About Image Resizer
Change image dimensions for websites, documents or sharing. Set a target width in pixels or scale each image by a percentage, with an option to preserve proportions.
How to use Image Resizer
- Choose your JPEG, PNG or WebP images.
- Select pixels or percentage, set the dimensions and decide whether to lock the aspect ratio.
- Choose the output format, resize the files and download individual images or the ZIP.
Features and output
Select up to 100 images for a desktop batch (50 MB per input, 500 MB combined), processed sequentially with cancellation and smaller ZIP parts. Percentage scaling supports 1–400%, with optional aspect-ratio locking. The 256 MB in-page output cap and available device memory may require smaller jobs. Images to PDF keeps its separate, lower input limits.
When this tool is useful
Standardize product-image dimensions, prepare photos for a presentation or scale a group of screenshots. If exact dimensions matter, check the resulting width and height before using the files.
Frequently asked questions
Will resizing crop my picture?
No. This tool scales the whole image. With aspect ratio unlocked, exact dimensions can stretch the picture; it does not crop or add padding.
Does enlargement improve image detail?
No. Increasing dimensions creates more pixels but cannot restore detail missing from the source. Use the original high-resolution image where possible.
Which formats can I download?
Choose the original supported format, JPEG, PNG or WebP. JPEG and WebP exports use 90% quality; JPEG flattens transparency onto white.
Privacy, compatibility and limits
Up to 100 selected images, 50 MB per input and 500 MB combined; actual completion depends on device memory. Max input is 32 megapixels; output is capped at 8192 pixels per side and 24 megapixels. Retained output is limited to 256 MB per run and ZIP parts to 20 images or 64 MB. Animated inputs are flattened; supported export formats depend on the browser.