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Magic Bytes
Identify file types using header bytes
Enable JavaScript to use the interactive controls. Your guide and examples are available below.
Features
- Identify file types using header bytes
About Magic Bytes
Identify file types using header bytes
How to use it
- Paste a small source or data sample into the editor.
- Select the operation, language and formatting options offered by this tool.
- Review validation messages and inspect the output before copying or exporting it.
Try Magic Bytes
Hexadecimal file prefix: 89 50 4e 47 0d 0a 1a 0a
Processing and limitations
Browser data
Signature match is not complete file validation; local signature set is limited.
Questions and answers
What can I do with Magic Bytes?
Identify candidate formats from header-byte signatures and offsets.
Where is my input processed?
The main operations run in your browser. Device models may require a first-use download; browser storage and resource limits apply.
What should I check before using the result?
Signature match is not complete file validation; local signature set is limited.
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