JPG → WebP

Convert JPG to WebP

Cut photo file size by 25–35% at the same visual quality. Convert one image or an entire folder locally.

Free · No limits 25–35% smaller Batch + folders Quality control Nothing uploaded

Drop images here

Drag & drop, click to browse, add a whole folder, or just press Ctrl+V to paste from the clipboard.

JPG PNG WebP AVIF BMP GIF ICO HEIC Batch supported

/ Before After

Output settings

Target format

"Auto" re-encodes in the original format; BMP, GIF and ICO have no modern counterpart and are normalized to PNG.

Quality

Applies to JPG, WebP and AVIF output. Around 80% is the sweet spot between size and fidelity.

PNG is lossless and ignores the quality slider — the resulting file size is determined by the image content itself.

New settings apply to the whole batch only after you click here.

Every conversion happens inside your browser. Images are never uploaded to any server.

Input formats: JPG PNG WebP AVIF BMP GIF ICO HEIC
Output formats: JPG PNG WebP AVIF
Engines: MozJPEG · libwebp · libavif
Privacy: 100% local

Free · Online · No file-count limit · No sign-up

The standard photo conversion for faster pages

JPEG has served the web for thirty years, but it encodes every 8×8 block independently and has no idea what the human eye ignores. WebP uses a newer predictive model, so at the same perceived quality a photo is typically 25–35% smaller — enough to matter on a product grid or a gallery page.

Quality 80 is a good starting point for photos. If your originals came from a camera, you can also cap the long edge at 1600–1920 px; most layouts never display more than that, and the savings compound.

The conversion is done by a bundled libwebp encoder inside your browser. Your photos are never uploaded, which matters if they are client work, IDs or unreleased products.

How to convert JPG to WebP

Add JPEG files

Drag photos or a folder in, or paste from the clipboard. The output format is already WebP.

Pick quality and size

Quality 80 keeps photos clean on screens. Add a max width if you also want to downscale; a target file size in KB/MB is available on the compressor page.

Download the WebP files

Save individually or as a ZIP. Use the comparison dialog to check gradients and skin tones before publishing.

Questions about this task

Will converting JPG to WebP lose quality?

Some data is discarded because WebP is lossy at this quality — but at 80 or above the difference is normally invisible on screen. The source JPEG is itself lossy, so you are re-encoding an already compressed image and should keep the original.

Do I still need the JPEG files?

Yes, keep the originals as the master copy. Use WebP only as the delivery format for the web; if a redesign needs a bigger image later, re-converting from the JPEG avoids stacking compression artifacts.

Is WebP smaller than JPEG at every quality?

Almost always for photographs, typically 25–35% at equal quality. For tiny images or flat graphics the advantage shrinks and PNG or JPEG may be comparable — the tool marks "Kept original" if re-encoding would grow the file.

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All formats in one workspace — batch compression, conversion, resizing and before/after comparison.