JPG to WebP

The usual reason to do this is page weight. WebP at quality 0.9 typically lands 25 to 35 percent below the same photo as JPG, with no visible difference at normal viewing size.

Runs in your browser // nothing is uploaded

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What survives the conversion

Derived from what each format is able to store, not from what the conversion promises.

Kept

JPG carries nothing that WebP can also hold.
Transparency, which JPG could not store
Animation, which JPG could not store

Lost

EXIF metadata

Settings used

Encoded as WebP at quality 0.9. Lower it if you are optimising for bandwidth.

When not to convert

Not for a file you are emailing to someone on old software. JPG opens everywhere; WebP still trips up older desktop apps.

About these formats

Image

What is a JPG file?

JPG is a lossy image format published in 1992 and still the most widely supported photo format in existence. It discards detail the eye is least likely to notice to reach small file sizes, which makes it ideal for photographs and a poor choice for text, line art or anything needing transparency.

Read the format guide

Image

What is a WebP file?

WebP is an image format released by Google in 2010 that supports both lossy and lossless compression, plus transparency and animation in a single format. It typically produces noticeably smaller files than JPG at comparable visual quality, and is supported by every current major browser.

Read the format guide

Common questions

Does converting JPG to WebP lose anything?

Yes. EXIF metadata cannot be carried into WebP and is dropped. The usual reason to do this is page weight. WebP at quality 0.9 typically lands 25 to 35 percent below the same photo as JPG, with no visible difference at normal viewing size.

Are my files uploaded when I convert JPG to WebP?

No. The conversion runs in your browser tab, so the file is never transmitted and the page works offline once loaded.

What settings does Filoven use for JPG to WebP?

Encoded as WebP at quality 0.9. Lower it if you are optimising for bandwidth.

When should I not convert JPG to WebP?

Not for a file you are emailing to someone on old software. JPG opens everywhere; WebP still trips up older desktop apps.