What Is JPG to PNG Converter?
A JPG to PNG Converter changes a picture from the JPEG format to the PNG format. The picture itself looks the same, but the way its pixels are stored changes: PNG is lossless, so it preserves every pixel exactly, while JPG uses lossy compression that discards some detail.
People convert JPG to PNG when they need a lossless file for editing, when an app or printer accepts only PNG, or when they want to work with the image in software that handles PNG better. This converter reads your JPG with the browser's own image decoder, draws it on a canvas and exports it as a PNG. The output keeps the same width and height as the original.
Converting JPG to PNG does not restore detail that JPEG compression already removed. It only changes how the image is stored, so the PNG is a faithful copy of the JPG you started with, not an improved version of it.
How to Use JPG to PNG Converter
- Drop one or more JPG images onto the upload area, or click it to browse your files.
- PNG is already selected as the target format, so there is nothing to change unless you want a different output.
- Check the preview, the new file name and the size comparison shown for each image.
- Download each converted image, or use Download all to save them in one go.
Key Features of Our JPG to PNG Converter
- Converts JPG and JPEG images to PNG, one at a time or up to 20 in a batch
- Lossless PNG output that preserves every pixel of the original
- Live previews with original and converted file sizes
- Correct .png file extensions on every download
- Runs entirely offline in the browser, with no upload and no sign-up
Benefits of Using an Online JPG to PNG Converter
The main reason to convert JPG to PNG is editing. PNG files survive repeated saves without any further quality loss, so they are a safer working format when a picture will be edited, cropped or re-exported several times. Some apps, printers and design tools also accept only PNG.
A browser-based JPG to PNG Converter also avoids installing software or sending private pictures to a stranger's server. You get the result in seconds on any device that has a modern browser.
Your privacy comes first. The JPG to PNG Converter runs entirely in your web browser. Nothing you enter is sent to our servers, which keeps your data private and makes results appear instantly. See our Privacy Policy for details.
Common Use Cases for JPG to PNG Converter
- Converting JPG photos to PNG for lossless editing
- Meeting upload requirements that accept only PNG
- Preparing images for apps and printers that need PNG files
- Standardizing a folder of mixed images into one format
- Creating PNG versions of photos for design software
Tips for Getting the Best Results
- Remember that a PNG made from a JPG will not look better than the JPG. It only stops further quality loss.
- PNG files are usually larger than JPG files for photos. Use PNG for editing and archiving, JPG for sharing.
- If you need a smaller file, convert to WebP instead, or use the Image Compressor after converting.
- Converting between lossy formats repeatedly lowers quality each time. Convert from your original file whenever possible.
JPG to PNG Converter FAQ
Will converting JPG to PNG improve the quality?
No. JPEG compression already removed some detail, and converting to PNG cannot bring it back. The PNG is a lossless copy of the JPG, so it preserves what is there without adding anything.
Why is the PNG file larger than the JPG?
PNG is lossless and stores every pixel exactly, while JPG compresses aggressively. For photos, the PNG version is usually several times larger than the JPG.
Can PNG store transparency?
Yes. PNG supports transparent backgrounds, which is one reason designers prefer it for logos and graphics. A JPG converted to PNG starts opaque, but you can edit transparency into the PNG afterwards.
Does converting change the image dimensions?
No. The output keeps the same width and height as the original. Only the file type changes.
Are my images uploaded anywhere?
No. The conversion happens inside your browser using the canvas API. Your pictures never leave your device and nothing is saved by MamaTool.
Does converting change the image dimensions?
No. The output keeps the same width and height as the original. Only the file type, and for lossy formats the compression level, are changed.