Secure Image Conversion
Unlike many online converters, PureConvert never uploads your photos to a server. The entire JPG to PNG or PNG to JPG conversion runs locally in your browser, so your images stay private and secure end-to-end.
Lightning-Fast Speed
Powered by WebAssembly and the Canvas API, format changes happen instantly. There is no upload or download delay, and the converter stays fast even with large, high-resolution images.
How to convert JPG to PNG in your browser?
- Pick your files: Drag your images into the workspace or click to select them from disk.
- Automatic conversion: The tool instantly converts JPG files to PNG (or the other way around).
- Download the results: Tap “Download” next to each image to save it to your device.
Frequently asked questions (FAQ)
What’s the difference between JPG and PNG?
JPG (JPEG) uses lossy compression for smaller file sizes—perfect for photos.PNG keeps lossless quality and supports transparency, making it ideal for logos, UI elements, and screenshots.
Does the converter work on mobile?
Yes. PureConvert is fully responsive and works on phones (Android, iOS), tablets, and desktops (Windows, macOS, Linux).
Is there a file limit?
There are no strict limits. Convert as many images as you want, completely free.