Every device has a way to convert JPG to PNG. Mac uses Preview, Windows uses Paint, phones use an online tool. Here is the step-by-step for each platform.
Works on every device — no install needed.
Open Online Converter| Platform | Built-In Method | Online Tool | Best For |
|---|---|---|---|
| Mac | Preview (File > Export > PNG) | Our converter in Safari | Preview for single, online for batch |
| Windows | Paint (Save As > PNG) | Our converter in Chrome | Paint for single, IrfanView for batch |
| iPhone | Shortcuts app (workaround) | Our converter in Safari | Online tool (simpler) |
| iPad | Shortcuts app | Our converter in Safari | Online tool |
| Android | No built-in method | Our converter in Chrome | Online tool (only practical option) |
| Chromebook | No built-in method | Our converter in Chrome | Online tool |
| Linux | ImageMagick / GIMP | Our converter in Firefox | ImageMagick for batch, online for quick |
The PNG is saved alongside your original. For batch: select multiple JPGs in Finder > right-click > Open with Preview > Edit > Select All > File > Export Selected Images > choose PNG format.
For batch: download IrfanView (free) > File > Batch Conversion > add files > set output to PNG > Start.
Method 1 — Online tool (easiest):
Method 2 — Shortcuts app:
Android has no built-in image format converter. The online tool is the simplest method without installing apps.
Single file: convert image.jpg image.png (requires ImageMagick)
All JPGs in folder: for f in *.jpg; do convert "$f" "${f%.jpg}.png"; done
Install: sudo apt install imagemagick
Convert JPG to PNG on any device — free, instant.
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