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PNG File Format Explained

PNG (Portable Network Graphics) is a lossless image format that supports transparency. It's the go-to format for logos, icons, UI screenshots, and any image that needs a sharp edge or transparent background.

PNG Quick Facts

Full namePortable Network Graphics
Extension.png
CompressionLossless (no quality loss)
TransparencyYes — Alpha channel (0–255)
Color depthUp to 48-bit (16M+ colors)
AnimationNo (use APNG for animated PNGs)
Browser supportAll major browsers
Best use caseLogos, icons, screenshots, UI design

PNG vs JPG vs WebP

FeaturePNGJPGWebP
CompressionLosslessLossyBoth
Transparency Yes No Yes
File sizeLargeSmallSmallest
QualityPerfectGoodExcellent
Browser supportAllAllAll modern
Best forLogos, UIPhotosWeb images

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PNG to JPG Converter

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PNG to WebP

Convert PNG to smaller WebP

PNG Compressor

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Frequently Asked Questions

PNG stands for Portable Network Graphics. Created in 1995 as a free replacement for GIF.
Yes. PNG supports full alpha channel transparency — each pixel can have its own transparency value from 0 (transparent) to 255 (opaque).
Yes. PNG uses lossless compression, meaning no image quality is lost when you save a PNG file, no matter how many times you save it.
Use JPG for photographs. PNG files of photos are 5–10x larger than JPG. Only use PNG when you need transparency or sharp text/logo edges.
Yes — use our free WebP Converter. WebP images are ~30% smaller than PNG at similar or better quality.

Related Guides

JPG FormatWebP FormatPNG to JPG GuideJPG to PNG Guide