How to Convert PNG to JPG Free Online (and When Not To)

PNG vs JPG — what's the actual difference?

They're both image formats, but they were built for different jobs. Understanding the difference helps you decide whether converting is even the right move.

PNG

Lossless — no quality loss

Supports transparency

Larger file sizes

Best for graphics, logos, screenshots

JPG

Lossy — compresses aggressively

No transparency support

Much smaller file sizes

Best for photos and complex images

When should you convert PNG to JPG?

Converting makes sense when file size matters more than lossless quality and you don't need transparency. Common scenarios:

You have a high-resolution photo saved as PNG and need a smaller version to share or upload.
A form or platform only accepts JPG and won't take PNG.
You're optimising images for a website where load speed matters.
You're emailing photos and the PNG files are too large to attach.

When NOT to convert

If your PNG has a transparent background — like a logo or icon — don't convert it to JPG. JPG doesn't support transparency, and the transparent areas will be filled with white (or black, depending on the app). You'll lose the transparency permanently. Keep those as PNG, or consider WEBP which supports both transparency and good compression.

Will converting lose quality?

Yes — but usually not in a way you'll notice. JPG compression is lossy, meaning it permanently discards some image data to reduce file size. At higher quality settings (85–95%), the visual difference compared to the original PNG is essentially invisible to the human eye.

The key thing to understand: once you convert to JPG, you can't get the original quality back. If you think you might need the lossless original again later, keep the PNG file too — don't overwrite it.

Tip

Consider converting to WEBP instead of JPG. WEBP gives you smaller files than JPG at the same quality, supports transparency like PNG, and works in all modern browsers. It's the best of both worlds for most uses.

How to convert PNG to JPG using Filesmith

Go to filesmith.io — you're on the Images tab by default.

Drop your PNG file (or multiple PNGs at once) onto the page.

Select JPG from the format options.

Adjust quality if needed — 85% is a good default. Use the comparison slider to see the before/after difference.

Hit Convert, then Download. For multiple files, use Convert All.

Everything runs in your browser — no uploads, no account, no waiting. Your PNG files stay on your device the entire time.

How to Convert PNG to JPG (and When Not To)

PNG vs JPG — what's the actual difference?

When should you convert PNG to JPG?

Will converting lose quality?

How to convert PNG to JPG using Filesmith