// ABOUT JPEG
JPEG uses lossy compression optimised for photographic content. It discards visual information the human eye is unlikely to notice, achieving compression ratios of 10:1 or higher with minimal perceptible quality loss. JPEG does not support transparency — any alpha channel is flattened against a white background.
// ABOUT PNG
PNG uses lossless compression with full alpha-channel transparency support. It preserves every pixel exactly, making it the standard choice for screenshots, logos, web graphics, and any image where precision matters. PNG files tend to be larger than lossy alternatives but guarantee no quality degradation.
// WHY CONVERT
Converting JPEG to PNG is useful when you need your image in a format suited for web graphics, screenshots, logos, icons, digital art, and images requiring transparency. Note that converting from a lossy source (JPEG) to a lossless target (PNG) preserves the existing quality but cannot recover detail already lost during the original compression. Image Toolz runs the entire conversion directly in your browser. Nothing is uploaded to any server — your files remain completely private on your device. The tool handles images up to 200 MB and most conversions complete in under a second.
// FAQ
What is JPEG?
JPEG is a lossy format optimised for photographic images. It achieves high compression by discarding fine detail, making it the standard format for photos on the web and from digital cameras.
What is PNG?
PNG is a lossless format that preserves every pixel exactly. It supports full alpha-channel transparency and is the standard for graphics and screenshots.
Will converting JPEG to PNG lose quality?
No additional quality is lost. The PNG output is a lossless copy of the JPEG — but detail already removed by JPEG compression is not recovered. The PNG will be larger than the JPEG but visually identical.
Is it safe to convert my files here?
Yes. All conversion runs entirely in your browser. Your images are never uploaded to any server and nothing leaves your device.