CheckFileType
CheckFileType identifies unknown files without extensions by analyzing their contents.
About CheckFileType
CheckFileType is a free web-based tool that identifies a file's true type by analyzing its contents, rather than relying on the file extension. It is intended for users who have files with missing or incorrect extensions. The tool can inspect the contents of ZIP archives to report the file type of each file contained within. It does not require user registration or an email address to use, and uploaded files are stored temporarily, permanently deleted after one hour, with transfers secured via encryption.
Key features
- Identifies unknown file types by analyzing file contents
- Reports internal file types for ZIP archive contents
- No email or registration required to use
- Encrypts file transfers for uploaded content
- Automatically deletes uploaded files after one hour
Best for: Users who need to identify files with missing or incorrect extensions.
Good for
- No registration or email address required to access the tool
- File uploads are secured with up-to-date encryption
- Uploaded files are automatically deleted after one hour
CheckFileType at a glance
- Website
- checkfiletype.com
- Category
- Privacy & Security › Security Tools
- Type
- Website
- Pricing
- Free
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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CheckFileType FAQ
Does CheckFileType require user registration or an email?
No, it does not require an email or registration.
How long are uploaded files stored on CheckFileType's servers?
Files are stored temporarily and permanently removed after one hour.
How does CheckFileType determine a file's true type?
It analyzes the file's contents rather than relying on its extension.
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