PNG to JPG converter
Turn PNG screenshots and photos into smaller JPGs, several at once.
Runs in your browser. Nothing is uploaded.
Drop images
HEIC, WebP, PNG, JPG or any image your browser opens, several at once. They stay on your computer.
Convert to
JPG quality
Transparent areas turn white, since JPG has no transparency.
HEIC photos are read with libheif (LGPL-3.0).
More about this tool
- 1
Add PNG images
Drop one or several. They're converted as soon as they're in.
- 2
Pick the quality
Watch the sizes in the list: Smaller file shrinks them further, Best keeps text crispest.
- 3
Download
Save a single JPG, or all of them in one ZIP.
PNG keeps every pixel exactly, which makes photos and full-screen screenshots large. JPG drops detail the eye barely notices, so a photo usually shrinks to a fraction of its PNG size. The list shows each file's size before and after, so you can see what you saved.
Screenshots with large flat areas and text shrink less, and at low quality JPG leaves soft halos around letters. Keep High or Best for those.
JPG has no transparency: transparent areas are filled with white. Keep PNG for logos, stickers and anything you'll lay over another picture.
Keep PNG too for an image you'll edit and save many times. Each JPG save compresses again, while PNG never loses anything.
macOS comes with sips, which converts from Terminal. formatOptions sets the JPG quality in percent.
- sips -s format jpeg -s formatOptions 90 image.png --out image.jpg
Sources
Questions
No. Each PNG is decoded and written as JPG in your browser. Nothing is sent anywhere.
JPG can't store transparency, so transparent areas are filled with white. Keep the PNG if you need them transparent.
High (90%) for photos. Best (95%) for screenshots with small text. Smaller file (75%) when you need the smallest size and can accept softer detail.
No. The JPG has the same width and height in pixels as the PNG; only the compression changes.
Yes. Drop them together, and the download button saves every JPG in one ZIP.
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