JPG to WebP

Convert JPG and PNG to WebP for free in bulk: smaller files at the same quality for faster websites.

  • Runs locally
  • Free

Your files are processed in your browser and are not uploaded to a server.

About this tool

WebP output is already selected. WebP is typically 25–35% smaller than JPG at similar quality, making it ideal for website and store images, page speed and SEO.

Convert images between JPG, PNG and WebP, up to 50 at a time. Conversion runs in your browser without uploading, and you can compare each original with its result before downloading.

How to use

  1. Choose PNG, JPG or WebP images and select the output format.

  2. Process, page through original/result previews, and download selected files or the batch ZIP. Stopping keeps completed items; continue or retry failures.

Example

For example, convert a transparent PNG product image to JPG for a platform that only accepts JPG. Its transparent areas become white. Choose PNG or transparency-capable WebP when transparency must remain.

Good to know

Transparent areas become white in JPG; WebP export depends on browser support. Each batch is limited to 50 images and 100 MB.

Animated GIF and HEIC are not converted. Re-encoding can change quality and file size; inspect a few results before using a batch.

Frequently asked questions

Do all browsers support WebP?

All major modern browsers do. If yours cannot export WebP, the tool tells you.

Should I keep the originals?

Yes, keep the JPGs for places that do not accept WebP.

What happens to transparency when converting PNG to JPG?

JPG has no transparency, so transparent areas become white. Choose PNG or WebP output to keep transparency.