JPG and PNG to WebP Converter

Convert JPG and PNG images to smaller WebP files.

  • Free, no sign-up
  • Files stay on your device
  • Works on phones

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About JPG, PNG to WebP

This tool converts JPG and PNG images to the WebP format. WebP files are usually noticeably smaller than the originals at similar quality, which helps websites load faster and saves storage.

Choose a quality, drop in as many images as you like, and download them one by one or all together as a ZIP file.

How to use JPG, PNG to WebP

  1. Select JPG or PNG images, or drag them onto the upload area. Each file can be up to 25 MB.
  2. Set the WebP quality with the slider. Around 80% suits most pictures.
  3. Wait for each image to convert. The original and new sizes are shown beside each file.
  4. Press Download WebP next to an image, or Download all (ZIP) when you converted more than one.
  5. Upload the WebP images to your website or share them where WebP is supported.

Key features and benefits

Smaller files

WebP often saves a large share of the original size, especially for photos.

Transparency kept

PNG images with transparent areas keep that transparency in WebP.

Batch conversion

Convert several images and download them together in a ZIP file.

Clear messages

Files that are not JPG or PNG, or are larger than 25 MB, are reported instead of being skipped silently.

Supported formats and limits

InputJPG, JPEG and PNG images, up to 25 MB each
OutputWebP images (.webp)
Quality10% to 100%, default 80%
Browser requirementYour browser must be able to export WebP. Current Chrome, Edge and Firefox can.

Practical ways to use it

Faster websites

Replace large JPG and PNG images with WebP to cut page weight.

Store more photos

Save disk or cloud space by converting a folder of images.

Online shops

Serve smaller product pictures, especially on mobile connections.

Blog posts

Use WebP for featured images to improve loading speed.

Tips for better results

  • Quality 75% to 85% is a sensible starting point for photos.
  • Keep your original JPG or PNG files. Some older programs cannot open WebP.
  • Screenshots and graphics with sharp edges may need a higher quality setting.
  • Check the converted image at full size before replacing images on a live website.

Privacy and file handling

Images are converted in your browser. They are read and re-encoded on your own device and are not uploaded to UsePDF.online. Results exist only in your browser until you download them.

The page itself and the processing libraries are loaded from the internet when you open the tool. Your files are not part of those requests. See our Privacy Policy for the full details.

Troubleshooting

It says the file is not a JPG or PNG

Only .jpg, .jpeg and .png files are accepted on this page. Use the other image tools for different formats.

It says the conversion failed

Your browser may not support WebP export. Try a current version of Chrome, Edge or Firefox.

The WebP is not smaller

The original was already well compressed. Try a lower quality value.

Frequently asked questions

Does WebP work everywhere?

Current versions of all major browsers display WebP. Some older programs and email clients may not.

Does it keep transparent backgrounds?

Yes. PNG transparency is kept when converting to WebP.

Is there a file size limit?

Each image can be up to 25 MB.

Are my images uploaded?

No. They are converted in your browser.