Convert PNG to JPG

How to convert PNG to JPG

1. Drop your PNG files into the box above, or click to browse. You can also paste with Ctrl+V.
2. Adjust quality or resizing under Conversion settings if you need to. The defaults suit most photos.
3. Conversion starts automatically and runs on your device — watch the progress bar for each file.
4. Download files individually, or grab everything as a ZIP.

What changes when you convert PNG to JPG

This is the conversion where people most often get an unpleasant surprise, and it has one cause: JPEG has no alpha channel. Not a limited one — none at all. Every pixel in a JPEG is fully opaque by definition.

So when a PNG with transparency becomes a JPG, something must go behind the transparent pixels. Many converters silently use black, which is why logos exported this way so often arrive as white artwork on an ugly black rectangle. This tool defaults to white and lets you pick the colour in the settings above, because the right answer depends entirely on where the image is going.

The second change is the compression model. PNG is lossless: it encodes every pixel exactly, which is why a photographic PNG is enormous — it stores sensor noise with the same fidelity as the subject. JPEG analyses the image and discards detail the eye is unlikely to notice. For a photograph that trade is overwhelmingly worth it; an 11 MB PNG becomes a 0.9 MB JPG that looks identical.

For flat graphics the trade goes the other way. PNG was designed for exactly the content JPEG handles worst: sharp edges, text, large areas of one colour. Converting a screenshot to JPG makes it both blurrier and, quite often, larger. If you are looking at your output and wondering why the text looks smeared, this is why — JPEG stores colour at half resolution, and hard colour edges are the one thing that cannot survive that.

The third change is that quality is now a one-way door. PNG can be edited and resaved indefinitely with no degradation. Every JPEG save re-compresses already-compressed data, and the damage accumulates.

What is preserved

• Pixel dimensions, exactly
• Colour appearance for photographic content — the difference is invisible at quality 85 and above
• Embedded ICC colour profiles, where present

What is lost

• The alpha channel entirely — JPG has no way to store transparency
• Lossless fidelity: every pixel is now an approximation, and it degrades further on each resave
• Bit depths above 8 per channel, reduced to 8
• PNG text chunks (tEXt/iTXt) holding titles, authors or software names
• Sharpness of text and hard edges, which is where JPEG artefacts are most visible

What is altered

• Transparent pixels are composited onto the matte colour — white by default, changeable in the settings above
• Colour is stored at half resolution (chroma subsampling), which softens saturated edges

JPG support in browsers and operating systems

Checked on 2026-08-10. We re-verify this table every quarter.

When not to convert PNG to JPG

Do not convert if the image needs transparency. There is no workaround — pick WebP, which is smaller than both and supports alpha, or keep the PNG.

Do not convert screenshots, UI mockups, diagrams, charts or anything containing text. These are the exact cases PNG exists for. JPEG will blur the edges and may well produce a larger file.

Do not convert if the PNG is a working file you will keep editing. Export a JPG at the end of the process, not in the middle.

If the goal is purely a smaller file and the destination is a web page, WebP beats JPG by roughly 25–30% at the same quality and keeps transparency. Convert to that instead unless you specifically need JPG's universal compatibility.

Frequently asked questions