Will every browser encode WebP?

Chrome, Firefox, Edge, and recent Safari can. If toBlob('image/webp') returns empty, you will get an error instead of a broken file.

Does this strip metadata?

Yes. Canvas re-encoding drops EXIF. That is usually what you want for web assets. There is no Keep EXIF path for WebP on this page.

Not on this URL. This page is JPEG in, WebP out — one query, one page. Start from a JPEG, or convert PNG to JPG first.

Files never leave your computer. Conversion runs in this browser. Nothing is uploaded.

WebP is often 25–35% smaller than JPEG at a similar look. Encoding uses the browser’s canvas encoder — no cloud compressor.

Drop JPEG photos here

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Will every browser encode WebP?: Chrome, Firefox, Edge, and recent Safari can. If toBlob('image/webp') returns empty, you will get an error instead of a broken file.
Does this strip metadata?: Yes. Canvas re-encoding drops EXIF. That is usually what you want for web assets. There is no Keep EXIF path for WebP on this page.
Can I convert PNG to WebP here?: Not on this URL. This page is JPEG in, WebP out — one query, one page. Start from a JPEG, or convert PNG to JPG first.