How to convert JPG to WebP
Choose your JPG file. WebP is already selected, with original dimensions and no file-size cap. Select Prepare Image, inspect the preview, then download. You can also set a maximum size before processing.
Convert JPG to WebP
A WebP file, ready for your next upload. Convert locally, with optional resizing and a file-size limit.
Prepare My Image
100% on your deviceChoose an image or drag it here
Resize, convert or compress it in your browser.
JPG, PNG, WebP, HEIC or AVIF · up to 30 MBStill images: up to 24 MP; supported tiled HEIC/HEIF up to 50 MPProcessed on your deviceNo signupNo watermark
Your image never leaves your device. No uploads, no waiting in a queue.
What conversion can preserve
Saving a JPG as WebP cannot restore lost detail or remove its existing compression artefacts. WebP can offer a useful smaller alternative, but check that the destination accepts it.
When to choose WebP
WebP supports transparency and is useful for modern websites. Some forms and older software still require JPG or PNG, so check the accepted formats before downloading.
Check the source before converting
The tool shows the detected original format, so you can confirm it is JPG. It also accepts other supported still-image formats. Renaming a file extension alone is not a conversion; UploadMint decodes and re-encodes the image.
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.