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Convert JPG to PNG Online For Free
JPG to PNG Converter by Lab51i – User Guide
How to Use It (Takes 10 Seconds!)
- Open the file in any browser (Chrome, Firefox, Edge, Safari – even on your phone!)
- Drag your JPG photos into the big box OR click “Select Images”
- Wait a few seconds – it automatically converts them one by one
- When you see “Completed” (green badge), your PNG is ready!
- Download one by one (click the ↓ arrow) or click the big green button to get all PNGs in one ZIP
That’s literally it! No install, no signup.
Step-by-Step with Pictures in Mind
- You drop 1 or 100 JPGs → each gets its own card
- Left side = your original JPG
- Right side = the new PNG (appears automatically)
- Progress bar at the bottom shows how many are done
- When finished → Download All as ZIP lights up in green
What Happens to Your Files
- Your photos never leave your device (100% private )
- JPG → high-quality PNG with transparency support
- File names in the ZIP become clean: Lab51i_001.png, Lab51i_002.png, etc. (perfect for clients!)
Quick Tips
- Want original names? → download images one by one (click the ↓ icon)
- Want all at once with pro naming? → use the ZIP button
- Works great for logos, product photos, screenshots – anything that needs transparency
You’re done! Enjoy your perfect PNGs! ✨
FAQ
Frequently Asked Questions
Yes, completely free forever – no limits, no watermarks.
Never. Everything happens inside your browser. Total privacy.
PNG supports transparency (no white background) and has sharper edges – perfect for logos, icons, product images, and web design.
No! PNG is lossless, so your image stays exactly as sharp as the original JPG.
Yes! Drop as many as you want – we’ve tested over 300 with no issues.
Normal! JPG is already compressed. PNG keeps full quality + transparency, so it’s often larger – but worth it for clean backgrounds.
Yes – download images one by one. The ZIP uses clean Lab51i_001.png naming for professional delivery.
Perfectly! Works on iPhone, iPad, Android – just open the HTML file in your browser.
It will show an error and skip it. Only JPG/JPEG files are accepted.
Absolutely – go for it! No attribution needed.
Wait until at least one image shows “Completed” (green). Then it turns bright green and works.