Test files › Images › png-interlaced.png
Sample PNG file
PNG with the Adam7 interlace flag set in IHDR. Note: pixel data is stored non-interlaced, so strict decoders will reject it - that is intentional.
↓ Download png-interlaced.png| Filename | png-interlaced.png |
| Format | PNG |
| Size | 426 bytes (426 bytes) |
| MIME type | image/png |
| SHA-256 | 575ae26f4ac35073b117c5c03101ef1debdc8b1e1b34e58c5d856bc1e90e89a0 |
What this file catchesDecoders that trust the IHDR interlace byte without validating the IDAT layout, and pipelines that assume every PNG they receive is progressive-safe.
Download & verify
curl -fsSL -o "png-interlaced.png" "https://files.hexaqa.com/image/png-interlaced.png"
curl -fsSL "https://files.hexaqa.com/image/png-interlaced.png" | sha256sum
# expect: 575ae26f4ac35073b117c5c03101ef1debdc8b1e1b34e58c5d856bc1e90e89a0