Question 1

Why convert JPG to PNG?

Accepted Answer

PNG is lossless and can hold transparency later. Use it for logos, screenshots, and stills you will edit.

Question 2

Will the PNG be larger?

Accepted Answer

Usually yes. PNG keeps every pixel. JPG threw some away to stay small.

Question 3

Are images uploaded?

Accepted Answer

No. Conversion runs in the browser.

Question 4

Does this add a transparent background?

Accepted Answer

No. It copies the JPG. Cut the background out in an image editor.

Question 5

Can I convert a batch?

Accepted Answer

Yes. Download each file or all of them.

Question 6

What is the difference between JPG and PNG?

Accepted Answer

JPG is lossy and has no alpha. PNG is lossless and can hold alpha.

Question 7

Are originals overwritten?

Accepted Answer

No. You download new PNGs.

Question 8

Should I compress after?

Accepted Answer

Compress Image can take PNG, but big savings usually mean switching back to JPG or WebP.

Question 9

Can I convert HEIC here?

Accepted Answer

No. Convert HEIC to JPG first.

Question 10

Is this the same as PNG to JPG?

Accepted Answer

No. That page drops alpha and shrinks. This page goes the other way.

Question 11

Will JPG artifacts disappear?

Accepted Answer

No. Existing blocks stay. PNG just stops new ones.

JPG to PNG - Lossless Still, No Invented Holes