File Type Checker
Identify file types and formats instantly. Check file extensions, MIME types, and file signatures with our comprehensive file type detection tool.
Upload File to Check
Select a file to identify its type and format
Drop your file here or click to browse
Any file type supported • No file size limit
About File Type Checker
Our File Type Checker is a powerful tool that helps you identify file formats, extensions, and MIME types instantly. Whether you're dealing with unknown files or need to verify file types, our tool provides comprehensive information about any file format.
File Signature Detection
Analyze file headers and magic numbers to identify true file types
MIME Type Information
Get detailed MIME type information for web development and server configuration
Extension Analysis
Verify file extensions and check for potential mismatches
Security Check
Identify potentially dangerous file types and extensions
How to Use File Type Checker
Follow these simple steps to identify any file type
Upload Your File
Drag and drop your file into the upload zone or click to browse and select a file from your device.
Automatic Analysis
Our tool automatically analyzes the file signature, extension, and other properties to determine the file type.
View Results
Get comprehensive information including file type, MIME type, extension, and security assessment.
File Type Examples
Common file types and their characteristics
Image Files
Document Files
Executable Files
Use Cases
When to use our File Type Checker
Security Analysis
- Verify file authenticity
- Detect malicious files
- Check for file spoofing
- Validate downloads
Web Development
- Set correct MIME types
- Configure server responses
- Validate file uploads
- Handle different formats
File Management
- Organize file collections
- Identify unknown files
- Sort by file types
- Clean up directories
System Administration
- Monitor file uploads
- Enforce file policies
- Audit file systems
- Troubleshoot issues
Frequently Asked Questions
Common questions about file type checking
How accurate is the file type detection?
Our tool uses multiple detection methods including file signatures, magic numbers, and extension analysis to provide highly accurate results. It can detect file type spoofing and mismatched extensions.
Can I check file types without uploading files?
Yes, you can check file types by entering just the file extension. This provides information about the file format, MIME type, and common uses without uploading any files.
Is it safe to upload files for checking?
Yes, all file analysis is performed locally in your browser. Your files are never uploaded to our servers, ensuring complete privacy and security of your data.
What file types are supported?
Our tool supports all common file types including documents, images, videos, audio files, archives, executables, and many specialized formats. The database includes over 1000 file types.
Can I detect potentially dangerous files?
Yes, our tool includes security assessment features that can identify potentially dangerous file types like executables, scripts, and files commonly used for malware distribution.