PNG to JPG Converter Online Free (Shrink Photos Without Extra Software)

PNG and JPG solve different problems, and converting between them is usually about file size. PNG stores every pixel exactly as it was - lossless, with support for transparency - which is ideal for logos, screenshots and anything with sharp text or flat colour. Photographs are the opposite case: they are full of subtle gradients the eye cannot track precisely, so JPG's lossy compression can discard a great deal of data and still look identical. The practical result is that a photo saved as PNG is often five to ten times larger than the same photo as JPG, with no visible benefit. This converter runs entirely in your browser: your images are decoded to a canvas and re-encoded as JPG on your own device, so nothing is uploaded, and there is no queue, no account and no watermark.

Key benefits

• Photographs typically drop to a fraction of their PNG size, which is the whole reason to convert.
• Runs on your device, so personal photos and unreleased work never leave it.
• Batch conversion, so a folder of screenshots or camera exports is one operation.
• No account, no upload limit per file count, and no watermark added to the output.
• Your original PNG files are left untouched - new JPG files are produced alongside them.

How to use it, step by step

1. Add your PNG files. Drag them onto the drop zone or browse to select. You can convert several at once rather than repeating the process per file.
2. Set the quality level. The default suits most photos. Higher keeps more detail at a larger size; lower shrinks the file further. The preview updates so you can judge it directly.
3. Convert. Each image is decoded and re-encoded as JPG in your browser. Nothing is sent to a server at any point.
4. Download. Save individual files, or download everything at once when you have converted a batch.

Common use cases

• Shrinking camera or phone photos before emailing them or attaching them to a form.
• Preparing images for a website, where PNG photos would slow the page down noticeably.
• Meeting an upload size limit on a job portal, visa application or government form.
• Converting design exports that were saved as PNG by default but are really photographs.
• Reducing the size of a photo library for backup or sharing without re-shooting anything.

Pro tips

• Convert photographs, not graphics. A logo, screenshot or diagram with text will look worse as JPG and often gets no smaller.
• If the image has transparency you want to keep, do not convert it - JPG cannot store transparency at all.
• Quality around 80 is the usual sweet spot: most of the size saving, with no difference visible at normal viewing size.
• Convert from your original PNG rather than an already-compressed JPG. Re-encoding a JPG repeatedly degrades it each time.
• If you need a specific file size, convert first and then use the Resize Image to KB tool to hit an exact target.

Common mistakes to avoid

• Converting screenshots and UI mockups. Sharp edges and text develop visible fringing under JPG compression; keep those as PNG.
• Expecting transparency to survive. Transparent areas are filled with a solid background, which is often a surprise on logos.
• Pushing quality to the minimum to save space. Blocking artefacts appear well before the file gets meaningfully smaller.
• Converting the same image back and forth between formats. Each JPG save loses a little more detail permanently.

Frequently asked questions

How do I convert PNG to JPG?

Add your PNG files above, choose a quality level, and click convert. Each file is re-encoded as JPG on your own device and downloads immediately. No sign-up and no upload are involved.

Is this PNG to JPG converter free?

Yes, completely. There is no account, no trial, no per-day conversion limit and no watermark on the output.

Are my images uploaded to a server?

No. The conversion uses your browser's own canvas and image decoder, so the files never leave your device. You can disconnect from the internet after the page loads and it will still work.

Why is my PNG so much bigger than the JPG?

PNG is lossless: it records every pixel exactly, which is expensive for photographs because they contain millions of slightly different colours. JPG discards detail the human eye is poor at noticing, so photographic images compress dramatically better.

Which is better, PNG or JPG?

Neither is better overall - they suit different content. Use JPG for photographs, where the size saving is large and the quality loss is invisible. Use PNG for logos, screenshots, diagrams, text and anything needing a transparent background.

What happens to transparent areas in my PNG?

JPG has no transparency channel, so transparent pixels are filled with a solid background colour, normally white. If the transparency matters, keep the file as PNG or convert to WebP instead, which supports both compression and transparency.

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Ready to get started? Open the PNG to JPG and try it now - completely free.