JPG to WebP

No upload · runs in your browser

Runs entirely in your browser, nothing is uploaded.

How it works

JPG to WebP: Convert with a Live Size Estimate

Convert JPEG photos to WebP without uploading them. Drag the quality slider and the before-and-after readout updates live, so you can see exactly what you are trading before you convert the whole batch.

What this does
  • Quality slider from 40% to 100%, starting at 80%
  • The first photo re-encodes while you drag, with the new size shown against the old
  • Original and WebP sit side by side, so smearing shows up before you commit to a batch
  • Every photo reports its own percentage saved, and a zip appears once more than one is done
FAQ

For photographs headed to a web page, 75 to 85 holds up: WebP at 80 tends to look like a JPEG at 90 while weighing about a third less. Push past 90 for screenshots or anything with fine text in it. Below 60 the smearing shows first in gradients, skies and studio backdrops. The panel re-encodes at whatever the slider says, so read the number there rather than guessing.

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