Format reference

PNG Format Hub

PNG (.png) is a lossless raster image format supporting truecolor, palette, interlacing, and alpha transparency. Use sample .png files to test decoder compliance, color profile handling, and transparency rendering.

Open Sample Page Open Manifest JSON
9 Files
604 Downloads (30d)
image/png
Related Formats in Image

PNG Related Formats

TIFF (9) BMP (7) GIF (7) SVG (7) JPEG (6) AVIF (4) HEIC (4) WEBP (4)
Related Comparisons

PNG Format Comparisons

PNG vs WebP

Choose between lossless PNG and modern WebP for graphics and web delivery.

Open Comparison

BMP vs PNG

Compare raw bitmap simplicity against compressed lossless PNG portability.

Open Comparison

TIFF vs PNG

Contrast TIFF archival fidelity with PNG web/UI practicality.

Open Comparison
Format Strategy Links

PNG Format Guides

Open PNG FAQ

Best Format Guides

Best Image Format for Web Performance Best Image Format for Print Workflows

Best Format for Use Cases

Best Format for Transparent UI Assets

Conversion Guides

How to Convert BMP to PNG How to Convert PNG to BMP How to Convert PNG to TIFF How to Convert PNG to WEBP How to Convert TIFF to PNG How to Convert WEBP to PNG
Implementation Notes

PNG Implementation Notes

Use the manifest endpoint for deterministic fixture selection in CI, then validate MIME/type detection against actual parser output.

If this format appears in multiple categories, prefer category-specific hub pages to keep test assumptions aligned with real usage.