JPG to WebP
Turn JPG photos into WebP at a quality level you choose, with the size saving shown before you download.
Convert iPhone HEIC photos straight to WebP at a quality level you choose, without going through JPG first.
Drop HEIC or HEIF photos to convert them to WebP for the web.
uploaded over TLS · deleted within one hour
Drop them straight from your iPhone or Photos export. Your files are read off your disk and stay there.
80 suits photographs. Lower it for thumbnails, raise it for images that will be printed or zoomed.
Take one file, or the whole batch as a ZIP.
| Input | Output | Typical saving | Best for |
|---|---|---|---|
| heic / heif | webp | 20–40% | iPhone photos going onto a website |
| heic / heif | webp | 40–60% | Large camera photos at quality 80 or below |
We ran the same files through the popular alternatives first. These are the gaps we found, and what this tool does instead.
This goes straight from HEIC to WebP in one pass, so the image is only re-encoded once.
test: compare against a heic→jpg→webp round tripNo file-count limit — your machine does the work, so there is nothing to meter.
test: drop forty photos at onceEach file lists its original and converted size side by side before you save.
test: drop one photo and read the two numbersNo. The conversion happens inside your browser and the photo is never sent anywhere. One caveat specific to HEIC: browsers cannot decode Apple's format on their own, so a small decoder library downloads the first time you drop a file. Your image is not part of that request.
iPhones save in HEIC, Apple's high-efficiency format. It stores excellent quality at half the size, but support outside Apple devices is patchy, which is why most people convert before sharing.
WebP if the image is going on a website — smaller files at the same quality, plus transparency. JPG if it is going to a client, a printer, or anyone whose software you cannot predict.
WebP compression discards some data, but at 80 the difference is normally invisible at ordinary viewing size. The before and after sizes are shown for every file.
Yes, with no file-count limit. Download them individually or as a single ZIP.
Turn JPG photos into WebP at a quality level you choose, with the size saving shown before you download.
Shrink images by quality level or to a target file size, and compare before and after at full zoom before you download.