Convert Images to WebP
Convert JPG and PNG images to WebP. Multiple images can be converted at once.
Your images are not uploaded to a server. All conversion is performed locally in your browser.
Drop images here
or
Files are converted automatically when added.
Conversion results
Converted images will appear here.
About WebP conversion
Convert JPG and PNG images to WebP, an image format well suited to websites. WebP often reduces file size and can preserve transparency from PNG images. This tool performs every conversion locally without sending images to a server.
How to use
- Add one or more JPG or PNG images.
- Choose a quality level.
- Download each WebP image or all results in a ZIP file.
You can select or drop multiple images and process them together.
Quality settings
High Quality 90
Prioritizes image quality when you want to preserve a look close to the source.
Standard 80
The recommended default, balancing image quality and file size.
Smaller 65
Uses stronger compression when reducing file size is more important.
Smallest 50
Prioritizes the smallest output; quality loss may be noticeable in some images.
Benefits of WebP
WebP can keep web images compact, works for photographic content like JPG, and supports transparency like PNG. It is widely used in current major browsers and is useful for reducing website image weight.
Your images are not uploaded
Your browser reads and converts each image locally. nicolet.jp does not receive or store your image files.
FAQ
Can I convert multiple images at once?
Yes. Add multiple JPG or PNG images together.
Is PNG transparency preserved?
Standard transparent PNG images are converted to WebP with their transparent areas preserved.
Can I choose the quality?
Yes. Choose High Quality, Standard, Smaller, or Smallest. Standard is selected initially.
Are the original images changed?
No. Converted WebP images are downloaded as new files.
Are images uploaded to a server?
No. Conversion takes place entirely in your browser.
Which input formats are supported?
JPG, JPEG, and PNG.
Can I convert to formats other than WebP?
No. This tool outputs WebP only.