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webp → jpg

Convert WEBP to JPG Online

Convert WEBP to JPG with a quality slider that actually does something useful.

  • No uploads, ever
  • Converts in milliseconds
  • Works offline
  • Batch support

Converting WEBP to JPG is a matter of picking the right quality and dealing with transparency. This tool handles both: the quality slider runs from 0.6 to 1.0 so you can trade file size against fidelity deliberately, and transparent pixels are composited onto a clean background rather than turning black, which is the most common bug in browser-based converters.

100% client-side — your files never leave your device

Conversion runs locally in your browser using Canvas and WebAssembly. There is no upload step, no server processing and no file storage. Disconnect from the internet and this page still works.

Drop your file here, or click to browse

Accepts .webp · select many to convert in a batch

Output settings
90%

Near-lossless — Lower values make a smaller file, higher values keep more detail.

Background

Step by step

How to convert WEBP to JPG online

  1. Add your .webp file

    Drag and drop your file into the box above, or click it to browse your device. Add several at once and they convert together as a batch.

  2. Choose your output settings

    Drag the jpg quality slider to trade file size against fidelity. Around 90% is visually indistinguishable from the original; lower values shrink the file further.

  3. Download the .jpg

    Click Download to save the result straight to your device. The whole process took a fraction of a second because nothing was uploaded or downloaded.

Side by side

WEBP vs JPG

Here is how the two formats differ. Use it to decide whether converting is worth it, and which one to pick if you have a choice.

Comparison of WEBP (Google WebP) and JPG (Joint Photographic Experts Group)
AttributeWEBP.webpJPG.jpg
Full nameWEBP (Google WebP)JPG (Joint Photographic Experts Group)
CompressionLossy or LosslessLossy
TransparencyYesNo
Browser supportModernUniversal
Typical file size148 KB92 KB
Best forWeb performance and fast loadingPhotos where file size matters

The guide

A practical guide to converting WEBP to JPG

How the quality slider affects the result

JPG quality is a percentage of how much source detail the encoder keeps. At 0.9 you get a file that looks identical to the original at 100% zoom while cutting file size by 60–80% — the sensible default. At 0.75 the file gets smaller still and the difference is only visible on close inspection. Below 0.6, blocking and mosquito-noise artefacts appear around high-contrast edges and the file shrinks by over 90%. The encoder discards detail permanently, so once artefacts are in, converting again cannot recover them.

What happens to transparent areas

JPG has no alpha channel, so transparent pixels must be flattened onto an opaque colour. Browsers default to black, which is why so many converted logos come out looking like they are floating in a void. This converter fills the canvas with white first, so transparent regions become clean white — correct for documents and screenshots. For a logo destined for a dark page, convert to PNG instead so the transparency survives.

When PNG is the better target

Choose PNG over JPG whenever the image contains transparency, line art, screenshots of text, or flat-colour graphics. JPG’s DCT compression is designed for photographic content; on sharp edges and large flat areas it creates ringing artefacts along every boundary. For a photograph, JPG is still the right answer because nothing beats its compression ratio for that content.

Common questions

Frequently asked questions

Everything about how this converter handles your files, and how to get the best result.

What happens to transparency when converting to JPG?
JPG cannot store transparency, so transparent pixels are filled with white. This avoids the black backgrounds that many online converters produce. If you need to keep transparency, use WEBP to PNG instead.
Which quality setting should I use?
The default 0.9 is a good balance and is visually lossless at normal viewing sizes. Lower it to 0.75–0.8 for web uploads where size matters, and keep it at 0.95 or above for photos you plan to print.
Can I convert several WEBP files at once?
Yes. Drop in as many files as you like, convert them in one pass, then download all the results together as a single ZIP archive.
Is there a file size limit?
Each file can be up to 150 MB, which is far larger than any realistic photograph. There is no limit on the number of files you convert in a session.