WebP converter · runs locally

Convert Images to WebP

Convert JPG, PNG, HEIC, GIF, and AVIF images to lightweight WebP files locally in your browser.

Free Batch processing No upload
Drop images hereor paste from your clipboard
JPG, PNG, WebP, AVIF, HEIC & GIF · up to 60 MB each
Three simple steps

From heavy to ready in seconds

1

Add supported source images

2

Keep WebP selected and choose quality

3

Download converted files or a ZIP

Designed for this job

Why this preset works

WebP is a reliable modern format for photos and transparent graphics. Convert entire batches and resize oversized sources in one pass.

Best for Website migration CMS uploads Transparent web graphics
Built for private work

Your images never visit our server.

Compression happens in this browser tab. There is no upload queue, cloud copy, image history, or account required.

Useful answers

Questions about webp converter

Does WebP support transparency?+

Yes. Transparent PNG and compatible sources can retain alpha in WebP output.

Can HEIC be converted to WebP?+

Yes, on supported browsers and devices. The HEIC decoder runs locally.

Are conversions uploaded?+

Yes. CompressMint processes images locally in your browser. Your photos are not uploaded to our servers, and refreshing the page clears the working session.