PNG to JPG converter
Turn PNG images into smaller JPG files right in your browser. Choose a quality level to balance size against fidelity, then download a lightweight JPG — with your image never leaving your device.
How to use PNG to JPG
- 1
Add your PNG
Drag a PNG image into the drop area, or click to browse for one.
- 2
Set the quality
Use the quality slider to balance file size against fidelity.
- 3
Convert
Click convert and the image is re-encoded as a JPG in your browser.
- 4
Download
Download the smaller JPG, and compare it against the original size.
Smaller files for photos and sharing
PNG is excellent for graphics, screenshots and anything with sharp edges or transparency, but it is a poor choice for photographs, where it produces files far larger than they need to be. JPG is the format built for photographic images: it compresses them dramatically while keeping them looking good, which is why it is the default for cameras, photo sharing and the web. Converting a PNG photo to JPG can cut the file size by a large margin, making it faster to upload, easier to email, and lighter on storage. This tool does that conversion in your browser, taking a PNG and re-encoding it as a JPG at a quality you choose. If you have a heavy PNG photo that is slow to send or that exceeds an upload limit, turning it into a JPG is usually the quickest way to bring it down to a sensible size without any visible loss in quality, and you can do it here in a couple of clicks.
Control quality with a single slider
JPG compression is a trade-off between file size and visual fidelity, and the right balance depends on what the image is for, so this converter puts that choice in your hands with a quality slider. Set it high and the JPG is nearly indistinguishable from the original while still being much smaller than the PNG; set it lower and the file shrinks further, which is perfect for thumbnails, previews or situations where a tiny file matters more than pixel-perfect detail. Because you can see the resulting file size after converting, you can find the sweet spot for your particular image rather than accepting whatever a one-size-fits-all converter decides. For most photos a high-to-mid setting removes the bulk of the weight with no perceptible difference, and the slider lets you push further when you need to. This control is what makes the tool genuinely useful rather than a blunt instrument: you decide how aggressively to compress, image by image.
How transparency is handled
There is one important difference between PNG and JPG to be aware of: JPG does not support transparency. PNG images often have transparent areas — a logo with no background, an icon, a cut-out graphic — and since JPG cannot store transparency, those areas have to be filled with a solid color when you convert. This tool fills transparent regions with white, which is the most common and sensible default and works well for the vast majority of cases. It means a transparent PNG becomes a JPG with a clean white background rather than a strange or unexpected one. For photographs, which have no transparency to begin with, this makes no difference at all. It is worth knowing about mainly for graphics: if preserving transparency is essential, PNG or WebP is the format to keep, but if you are converting a photo or are happy with a white background, JPG gives you a much smaller file. The tool handles the fill automatically so you do not have to think about it.
Private by design — converted in your browser
Whether you are converting personal photos, work images or screenshots, there is no reason to upload them to a server just to change the format and size. In1 performs the entire PNG-to-JPG conversion locally in your browser, decoding the PNG and re-encoding it as a JPG entirely on your own device. Nothing is uploaded, nothing is stored, and there is no account or sign-up. Because there is no upload step, the conversion is fast and works exactly the same offline as online — there is no waiting for a file to travel to a server and back. This local-only approach is especially reassuring for photos, which are often personal, and for work images that may be confidential. You get the convenience of an instant online converter with the privacy of doing the conversion on your own computer, so the image you are shrinking never leaves your device. For a tool that handles your pictures, that is exactly the standard it should meet.
Who converts PNG to JPG?
The use case is everywhere photos meet size limits. People convert heavy PNG photos to JPG to email them, upload them to sites with file-size caps, or attach them to forms that reject large files. Online sellers shrink product images so listings load quickly and stay within marketplace limits. Bloggers and site owners convert PNG photos to JPG to speed up their pages and improve load times. Students and office workers reduce screenshots and images so documents and submissions slip under attachment limits. Social media users convert images so they upload faster. Anyone who has tried to send or upload a PNG photo and been told it is too large has a use for a quick converter that brings the size down. Because JPG is the right format for photographic content and is supported everywhere, converting to it — with control over the quality — is the standard way to make a bulky image manageable, and this tool does it instantly and privately in the browser.
Higher limits, batch processing and an API are on the way. Want early access?