11 lines
341 B
Markdown
11 lines
341 B
Markdown
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# Good to know
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## 🌌 Magic numbers (5.2 PNG Signature)
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Identifying file formats in binary can be a bit tricky. In fact, they are magic numbers when reading the first bytes:
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- `PNG`: 0x89 0x50 0x4E 0x47 0x0D 0x0A 0x1A 0x0A
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- `GIF`: 0x47 0x49 0x46 0x38 0x39 0x61
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- `JPEG`: 0xFF 0xD8
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- `ERRONEOUS_JPEG`: 0xff, 0xd9, 0xff, 0xd8, 0xff, 0xd8
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