JPG to PNG Converter — Free Online Tool
Convert JPG images to PNG with transparency support
Convert JPG/JPEG images to PNG format. PNG supports transparency and lossless compression.
About JPG to PNG Converter
JPEG is the dominant format for photographs on the web, but its lossy compression introduces subtle artefacts each time the file is saved. Converting a JPG to PNG locks in the current pixel state using lossless compression, preventing any further degradation when the image is edited and re-saved.
PNG supports full alpha-channel transparency, making it the preferred format for logos, interface elements, stickers, and any graphic that must sit on a coloured or variable background. Designers frequently request PNG exports from clients when they need assets that can be placed on any background without a white box around them.
Common use cases include preparing images for further editing in design tools, creating assets for app development where transparency is required, exporting screenshots for documentation that may overlay coloured backgrounds, and archiving photographs in a lossless format.
Keep in mind that a JPG converted to PNG will not recover lost detail — the conversion is lossless from this point forward, not backwards. If you need a higher-quality version of an image, you must go back to the original uncompressed source. Conversion is handled by a professional server-side image engine for consistent, high-quality results across every device — your file is processed in memory and permanently deleted immediately after.
Frequently Asked Questions
Why convert JPG to PNG?
PNG uses lossless compression, making it ideal when you need to re-edit an image without introducing further quality loss. PNG also supports transparency, which JPG does not.
Does converting JPG to PNG improve quality?
No. Converting from a lossy format (JPG) to a lossless format (PNG) does not recover any detail that was lost during the original JPEG compression. It simply prevents further quality loss on subsequent saves.
Will the PNG file be larger than the JPG?
Yes, typically 2–5× larger. PNG lossless compression preserves every pixel, so file sizes are naturally higher than JPEG for photographic content.
Can I add transparency after converting to PNG?
This converter produces a standard opaque PNG. To add transparency you would need a separate image editor such as GIMP, Photoshop, or a background remover tool.