PNG to JPG converter
Turn PNG images into smaller JPG files — right in your browser, no upload.
Convert PNG to JPG without uploading
PNG is a lossless format that keeps perfect quality and transparency, which makes it ideal for logos, screenshots and graphics with sharp edges. The trade-off is file size: a photographic PNG can be several times larger than the same image saved as JPG. Converting to JPG dramatically reduces the file size, which means faster page loads, smaller email attachments and easier sharing — at a quality level you control.
Because this converter runs entirely in your browser, your images are never uploaded to a server. There is no queue, no size cap imposed by an upload limit, and no risk of a private photo sitting on someone else’s machine. Everything happens locally and instantly — the moment you press convert, the work is already done on your device.
Keep transparency where it matters by exporting to WebP instead, which combines small files with an alpha channel. For graphics that must stay pixel-perfect, leave the format as PNG and simply use the compressor.
Frequently asked questions
Yes — every tool on imagenimble is free with no sign-up. Because the conversion runs in your browser there are no server costs, so there is nothing to pay and no usage limit.
No. The file is read and converted locally by your browser. Nothing is sent to a server, which you can verify by disconnecting from the internet after the page loads — the converter still works.
JPG uses lossy compression, but at 85–90% quality the result is visually identical to the original for most photos. You control the quality slider to balance sharpness against file size.
JPG does not support transparency, so transparent areas are filled with a solid colour (white by default). If you need to keep transparency, convert to WebP or PNG instead.