Convert PNG images to JPG right in your browser. Upload a picture, pick the quality, and download the JPG — nothing is uploaded to any server.
1. Choose a PNG or any image file. 2. Set the JPG quality (92% is a good balance). 3. Click Convert to JPG, then download your JPG file.
PNG and JPG are the two most common image formats on the internet, but they are built for different jobs. PNG keeps every pixel perfect and supports transparency, which makes it great for logos, screenshots and graphics — but PNG files are often very large. JPG is made for photographs: it squeezes the file much smaller by throwing away a little detail that the eye hardly notices. This free PNG to JPG converter turns your PNG images into JPG files right in your browser, so they are smaller, faster to upload and easier to share — and your pictures never leave your device, because the conversion happens on your own computer.
Converting to JPG is useful in many everyday situations. A PNG screenshot of 2 or 3 megabytes is too big to email or upload to a website, but the same picture as a JPG is often only a few hundred kilobytes. Bloggers convert PNG images to JPG so their pages load faster, which also helps them rank better on Google. Online forms and job applications often ask for a JPG photo and reject PNG files. Social media apps, messaging apps and printing services also prefer JPG. In all of these cases, this converter does the job in seconds, with no software to install and no file uploaded to a server.
The quality slider lets you choose the balance between file size and picture quality. At 92 percent, a photo looks almost exactly like the original, but the file is much smaller. At 70 percent, the file gets smaller still, and most people still cannot see any difference on a phone screen. Below 50 percent, you may start to see blocky patches and fuzzy edges, especially in areas of flat colour like a blue sky. The best habit is to start at 92 percent and only lower it if you really need a smaller file — for example, if a website has a strict file-size limit.
Take a PNG screenshot that is 1,920 by 1,080 pixels and 2.1 megabytes in size. Upload it to the converter above, leave the quality at 92 percent, and click Convert to JPG. The result is a JPG of the same 1,920 by 1,080 pixels, but the file is now roughly 300 to 500 kilobytes — about five times smaller than the PNG. The picture looks the same on screen, because a photograph-style screenshot does not need PNG's perfect pixels. If you lower the quality to 70 percent, the file gets smaller again, often to around 150 to 250 kilobytes, and the difference is still hard to see. That is the power of JPG compression: the same picture, a fraction of the size.
Now take a different picture: a logo with a transparent background, saved as a PNG. JPG does not support transparency, so the converter fills the transparent parts with white before saving. The logo itself keeps its shape and colours, but the see-through background becomes white. That is fine if you are putting the logo on a white page, but it is not what you want if the logo goes on a coloured background. The lesson is simple: convert photographs, screenshots and pictures with solid backgrounds to JPG, but keep logos and graphics that need transparency as PNG. The converter tells you the size of the new JPG, so you can compare it with the original and see exactly how much space you saved.
The converter reads your image file in the browser, draws it onto a hidden canvas, and then saves that canvas as a JPG. Before drawing, it fills the canvas with white, because JPG has no transparency and any see-through pixel would otherwise turn black. The quality number you choose controls how much the JPG compression squeezes the picture: 100 percent keeps the most detail and the biggest file, while 10 percent makes the smallest file with the most visible damage. The converter uses your browser's built-in image tools, which is why it works on phones, tablets and computers without installing anything.
JPG compression works by grouping the picture into small blocks of 8 by 8 pixels and simplifying the colour inside each block. The human eye is very sensitive to changes in brightness but much less sensitive to small changes in colour, so JPG keeps the brightness detail and throws away some colour detail. That is why a JPG photograph looks almost the same as the original at high quality, but a screenshot full of sharp text and flat colours can look fuzzy at low quality. PNG, by contrast, stores every pixel exactly and never throws anything away, which is why it is bigger. Choosing between them is always a trade-off between perfect quality and small size.
Use 92 percent quality for photos. It looks the same as the original and saves a lot of space. Use 70 to 80 percent for the web. Blog and website images load faster and still look good. Keep logos as PNG. JPG cannot do transparency, so a logo with a clear background will get a white box around it. Check the result size. The converter shows the new file size, so compare it with the original to see what you saved. Convert one file at a time. This tool converts a single image per click, so repeat the steps for each picture.
Converting a transparent logo to JPG. The transparency becomes white, which can look wrong on a coloured background — keep logos as PNG. Using very low quality. Below 50 percent, photos start to show blocky patches, especially in skies and skin. Converting a JPG to JPG again. Every JPG save throws away a little more detail, so always convert from the original PNG if you have it. Expecting the same size for every picture. A busy photograph compresses less than a simple screenshot, so the size saving varies. Forgetting to download. The converted file is only on the result screen — click Download JPG to save it, because it is not stored anywhere.
Pro Tip: If a website limits uploads to 1 megabyte, try 80 percent quality first. A photo that is 3 megabytes as a PNG often drops under 1 megabyte as a JPG at 80 percent, and it still looks great on screen.
Note: Your images are converted entirely in your browser. They are never uploaded to any server, so your photos stay private. JPG does not support transparency — transparent parts of a PNG become white.
Is this PNG to JPG converter free? Yes, it is completely free, with no sign-up, no download and no limit on how many images you convert.
Are my images uploaded anywhere? No. The conversion happens in your browser on your own device. Your pictures are never sent to a server or stored.
What quality should I choose? 92 percent is a good default for photos — it looks the same as the original with a much smaller file. Use 70 to 80 percent for website images, and avoid going below 50 percent.
Why does my transparent logo get a white background? JPG does not support transparency, so see-through parts become white. Keep logos with transparent backgrounds as PNG files.
Can I convert a JPG to a PNG here? This tool makes JPG files. To turn a JPG into a PNG, use the WEBP Converter on this site, which can save images as PNG.
Does converting reduce the picture size in pixels? No. The width and height in pixels stay exactly the same — only the file size in kilobytes gets smaller.
Can I convert more than one image at a time? This tool converts one image per click. For more images, repeat the steps for each file.
Does it work on my phone? Yes. It works in any modern browser on a phone, tablet or computer, with no app to install.