Privacy and files · Local processing · Available
Inspect File Type and Signature
Compare file extension, declared MIME type, and first bytes to understand the type of file received.
Processed in your browser · No registration required
WHAT YOU CAN DO
Inspect File Type and Signature: what you need to know
Compare file extension, declared MIME type, and first bytes to understand the type of file received.
Select the file, run the inspection, and review signature, size, and basic data. Recognizes a limited set of signatures. DOCX, XLSX, and PPTX share a ZIP structure, so the signature alone cannot distinguish them.
STEP BY STEP
How to use this tool
- Open the File Type Inspector in Prisma Space.
- Select the file, run the inspection, and review signature, size, and basic data.
- Review the result before copying, downloading, or using it.
FREQUENTLY ASKED QUESTIONS
Common questions
Does it detect malicious files?
No. Displays basic information without antivirus analysis.
What should I review before using the result?
Recognizes a limited set of signatures. DOCX, XLSX, and PPTX share a ZIP structure, so the signature alone cannot distinguish them.