Image Resizer & Converter
Resize an uploaded image and export it without sending the file anywhere.
Resize and convert images locally
The browser canvas resizes PNG, JPEG and WebP images and can export to those same formats. Images never leave your device.
Repeated lossy conversion can reduce quality, so keep an original copy.
How to use the Image Resizer & Converter
- Select an image from your device and choose the target dimensions.
- Select PNG, JPEG or WebP and adjust quality when supported.
- Export the result and inspect visual quality and file size before publishing.
Practical example
A large camera image can be resized to the maximum display width and exported as WebP for a substantially smaller web asset.
What this tool cannot guarantee
Upscaling cannot restore missing detail, and format conversion may remove metadata or unsupported features.
After resizing an image, encode small assets with the Image to Base64 Converter or verify accessible colors with the Contrast Ratio Checker
Frequently asked questions
Is the Image Resizer & Converter free to use?
Yes. It is available without an account or paid subscription.
Is my input uploaded or stored?
The core operation runs in your browser. Avoid pasting secrets into any web page unless the individual tool explicitly explains how the data is handled.
Should I review the result before using it?
Yes. Check the output for your project and test it in the intended environment before production use.