READY FOR ANY UPLOAD.

PNG to WebP Converter

A WebP version of your PNG, with transparency intact. Choose, convert and download.

Prepare My Image

100% on your device

Choose an image or drag it here

Convert to WebP, then download.

PNG · up to 30 MBStill images: up to 24 MP; supported tiled HEIC/HEIF up to 50 MP

Processed on your deviceNo signupNo watermark

Your image never leaves your device. No uploads, no waiting in a queue.

Convert PNG to WebP in three steps

Choose a PNG, select Convert to WebP, then download the result. High quality is the default. Compare the preview and actual file sizes before using the WebP on your website or uploading it to a supported service.

Keep a transparent background

WebP supports transparency, so transparent and partly transparent PNG areas remain supported. Conversion does not remove a background. For opaque photographs, JPG is also an option; for destinations that reject WebP, keep PNG.

Choose quality to suit the image

The quality control balances WebP detail and file size. This browser encoder uses lossy colour compression, even at its highest setting; it is not a guaranteed lossless WebP mode. Inspect small text and sharp edges. A WebP is not always smaller than the original PNG.

Your image stays with you

UploadMint processes supported images in your browser. Your image is not uploaded to a processing server, and no account is needed. Closing the page clears the working image.

Good to know

Does converting PNG to WebP keep transparency?

Yes, supported fully transparent and partly transparent pixels remain transparent. JPG output is different: it places those areas on white.

Can I set an exact upload limit?

Open Advanced options and set a maximum file size. UploadMint then uses its existing automatic quality search, and reduces dimensions only if you allow it. Successful output is checked against the requested byte limit.

What if my browser cannot create WebP?

UploadMint verifies the encoded format and shows an error if WebP export is unavailable. It will not offer a PNG disguised with a .webp filename. Try a current browser or choose PNG/JPG instead.