Compare Portable Network Graphics and Adobe Photoshop Document formats — understand the key differences and when to use each
Portable Network Graphics
PNG (Portable Network Graphics) is a lossless image format created in 1996 as a patent-free alternative to GIF. PNG uses DEFLATE lossless compression, meaning images retain 100% of their original quality regardless of how many times they're saved. The format supports 8-bit (256 colors) and 24-bit (16.7M colors) color modes, plus a full 8-bit alpha channel for smooth transparency and semi-transparency effects. PNG is the preferred format for screenshots, logos, icons, UI elements, diagrams, and any image requiring sharp edges or transparency. PNG files are typically larger than JPG for photographs but significantly better for graphics with text, solid colors, or transparency. PNG also supports interlacing for progressive loading, gamma correction for cross-platform color consistency, and embedded text metadata. Modern alternatives like WebP and AVIF offer better compression, but PNG remains the gold standard for lossless quality.
Adobe Photoshop Document
PSD (Photoshop Document) is Adobe Photoshop's native file format. PSD preserves layers, masks, blend modes, adjustment layers, smart objects, text layers, paths, and all editing capabilities. It supports RGB, CMYK, LAB, and other color modes at up to 32-bit depth. PSD is the standard working format for graphic designers, photographers, and digital artists. For sharing, PSD files should be converted to PNG, JPG, or PDF.
| Feature | PNG | PSD |
|---|---|---|
| Full Name | Portable Network Graphics | Adobe Photoshop Document |
| File Extension | .png | .psd |
| Category | image | image |
| Free to Convert | ✓ Yes | ✓ Yes |
| Browser Support | ✓ All Browsers | ✓ All Browsers |
| Convert to Each Other | ✓ Yes | ✓ Yes |
或将文件拖放到此处
最大文件大小：2GB