Convert WEBP to JPG
Converting WEBP to JPG decodes a WebP image and re-encodes its pixels as a JPEG file that opens in virtually any app, camera roll, or upload form. This tool does the conversion entirely in your browser: the image is decoded and re-encoded on your device and never uploaded to a server. Transparent areas, which JPEG cannot represent, are filled with white.
How it works
WebP is a container built on the RIFF file format, holding image data compressed with either VP8 (lossy) or VP8L (lossless) coding. Every modern browser ships a decoder for it, because WebP has been a mainstream web delivery format since Chrome added it in 2010 and Safari followed in version 14. This tool leans on that built-in decoder: when you pick a .webp file, the browser parses the RIFF chunks, decompresses the VP8 or VP8L bitstream, and produces an uncompressed grid of RGBA pixels in memory.
Those pixels are then drawn onto an HTML canvas element sized to the image's exact dimensions — no scaling, so no resampling blur. Because JPEG has no alpha channel, the canvas is first painted solid white, and the WebP is composited on top; any partially transparent pixel blends with white exactly the way it would look on a white web page. Finally the canvas is asked to export itself as image/jpeg at quality 0.92, which runs the standard JPEG pipeline: the RGB data is converted to YCbCr color space, split into 8×8 blocks, transformed with the discrete cosine transform, quantized, and entropy-coded.
Two properties follow from this design. First, the conversion is a full decode-and-re-encode, not a container swap, so the output is a genuine baseline JPEG that any software from 1995 onward can open. Second, it is lossy: quantization discards high-frequency detail the eye rarely notices at quality 0.92, but repeated round-trips (WEBP to JPG to WEBP…) will accumulate visible artifacts, so convert once and keep your original.
Metadata is not carried across. EXIF blocks, ICC color profiles, and XMP data stored in the WebP's metadata chunks are not copied into the JPEG — the output contains only pixel data. That is often desirable for privacy (no GPS coordinates travel with the photo) but matters if you rely on embedded color profiles for print work.
Worked example: a product photo for a marketplace upload
A seller has chair-listing.webp, a 1600×1200 photo exported by an image CDN at 178 KB. The marketplace's upload form only accepts JPG and PNG. Dropping the file on this page produces chair-listing.jpg at the same 1600×1200 pixels, weighing 246 KB — about 38% larger, which is expected because WebP's prediction-based coding is more efficient than JPEG's at equal visual quality. Zoomed to 200%, the wood grain and fabric texture are indistinguishable from the original; a pixel-difference comparison shows deviations only in flat shadow regions, all below the threshold of visibility. Conversion time on a 2021 laptop: roughly 90 milliseconds, because nothing left the machine.
Frequently asked questions
Does converting WEBP to JPG lose quality?
Some, yes: JPEG is a lossy format, so the re-encode discards a small amount of detail even at high quality settings. At quality 0.92 the difference is invisible for photos. Avoid converting the same image repeatedly, because each pass loses a little more.
What happens to transparent areas in the WEBP?
JPEG has no alpha channel, so transparent pixels cannot survive the conversion. This tool fills them with solid white before encoding. If you need transparency kept, convert to PNG instead.
Are my images uploaded to a server?
No. The file is opened with your browser's own WebP decoder, redrawn on a local canvas, and re-encoded to JPEG on your device. You can load this page, disconnect from the internet, and the conversion still works.
Can I convert an animated WEBP to JPG?
Only the first frame. JPEG is a still-image format, and the canvas drawing step captures a single frame of an animated WebP. To keep the animation you would need GIF, APNG, or a video format instead.
Why is the JPG bigger than the original WEBP?
WebP's compression is typically 25 to 35 percent more efficient than JPEG at similar visual quality, so a size increase is normal. A 180 KB WEBP photo commonly becomes a 230 to 280 KB JPG. The trade is compatibility, not size.
Which browsers can run this WEBP to JPG conversion?
Any current version of Chrome, Edge, Firefox, or Safari 14 and later. All of them ship a built-in WebP decoder and support canvas JPEG export, which are the only two capabilities the tool needs.