Question 1

What is WebP?

Accepted Answer

A Google image format that is usually smaller than a similar JPG or PNG at the same look.

Question 2

Are images uploaded?

Accepted Answer

No. Conversion runs in the browser.

Question 3

What can I convert?

Accepted Answer

JPG, PNG, and BMP.

Question 4

What does the quality slider do?

Accepted Answer

It sets WebP compression. 70 to 85 percent is the usual web range.

Question 5

Can I convert a batch?

Accepted Answer

Yes. Download each file or all of them.

Question 6

Which browsers support WebP?

Accepted Answer

Current Chrome, Firefox, Edge, and Safari 14+. Older software may not.

Question 7

Will PNG transparency survive?

Accepted Answer

WebP can hold alpha. Lossy quality can still change how the edges look.

Question 8

Are originals overwritten?

Accepted Answer

No. You download new files.

Question 9

Should I use JPG instead?

Accepted Answer

Yes, when the destination cannot open WebP.

Question 10

Can I convert HEIC here?

Accepted Answer

No. Convert to JPG first.

Question 11

Is this the same as Compress Image?

Accepted Answer

No. This changes the format to WebP. Compress Image shrinks JPG, PNG, or WebP in place.

Image to WebP - Smaller Stills for the Web