What is PNG used for?

PNG is commonly used for: UI assets, logos, icons, graphics with transparency.

How do I optimize PNG files?

Run "npx optimo image.png" in your terminal. Optimo applies format-specific compression to reduce PNG file size while preserving quality.

What is PNG?

Portable Network Graphics (.png). Lossless image format with sharp edges and great support for transparency.

Last updated: 2026-03-18

PNG (Portable Network Graphics, .png) is a image format that uses lossless compression. Lossless image format with sharp edges and great support for transparency. It supports transparency. Common uses include ui assets, logos, icons, graphics with transparency.

Quick facts

Extension

.png

Type

Image format

Compression

lossless

Transparency

Yes

Animation

MIME type

image/png

Common uses

UI assets
logos
icons
graphics with transparency

Delivery notes

Great for crisp edges and transparency.
Consider WebP/AVIF for photos to reduce size.

What to do with optimo

Optimize PNG Compress PNG Resize PNG Convert between formats

npx optimo image.png

Related conversions

Convert PNG to WebP Convert PNG to AVIF Convert PNG to JPEG Convert PNG to JPEG XL Convert PNG to HEIC Convert PNG to GIF Convert JPEG to PNG Convert WebP to PNG Convert AVIF to PNG Convert HEIC to PNG

More image formats

JPEG WebP AVIF HEIC JPEG XL GIF SVG

Frequently asked questions

What is PNG?: Portable Network Graphics (.png) is a image format. Lossless image format with sharp edges and great support for transparency. It uses lossless compression, supports transparency.
What is PNG used for?: PNG is commonly used for: UI assets, logos, icons, graphics with transparency.
How do I optimize PNG files?: Run "npx optimo image.png" in your terminal. Optimo applies format-specific compression to reduce PNG file size while preserving quality.