Wemute

Convert PNG to JPG

To convert PNG to JPG, drop the PNG files below. Wemute re-encodes them as JPG in your browser, which typically makes photos 70–90% smaller. Transparent areas are filled with white because JPG has no transparency.

  • No upload
  • No sign-up
  • Many files download as one ZIP

Convert to

How it works

Three steps

  1. Drop your PNG files, or click to choose them.

  2. JPG is already selected — adjust quality or size only if you want to.

  3. Convert, then download each file or everything as a ZIP.

Good for

  • Make large PNG photos small enough to email
  • Meet upload rules that only accept JPG
  • Reduce the size of screenshots of photos

Questions

About PNG to JPG

What happens to transparent backgrounds?

JPG cannot store transparency, so transparent pixels become white. If you need to keep transparency, convert to WebP instead — it is also small and supports alpha.

Is JPG always smaller than PNG?

For photos, almost always. For flat graphics, logos or text screenshots, PNG can be smaller and sharper — JPG may add blurry artifacts around edges.

Can I convert many images at once?

Yes. Drop a whole folder's worth of images, set one output for the whole batch, and convert them in one go. Several results download together as a single ZIP.

Are my files uploaded?

No. Wemute converts files inside your browser tab with your device's own processor. The file contents and names never reach our servers, and nothing is kept after you close the page.

Format comparison

How PNG and JPG differ

PNGJPG
CompressionLosslessLossy
TransparencyYesNo
Best forScreenshots, logos, graphics with textPhotos you need to share or upload anywhere
CompatibilityUniversalUniversal

PNG: Keeps every pixel and transparency, so photos become much larger than JPG. JPG: The safest choice for compatibility. Transparent areas become white.

Wemute for Mac

Word, Excel, PDF, e-books and 100 more conversions, OCR, background removal and subtitles — all on your Mac. Free and open source.

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