File Type Detection
Identify file types through content analysis. Paste text or upload files to determine their true type, even when extensions are missing or misleading.
Loading detection model...
- Detects 100+ content types: programming languages, documents, images, archives, media files
- Analyzes text snippets and uploaded files
- Shows confidence scores for all identified types
- Runs in your browser; nothing is sent to any server
- Files and text never leave your device
The tool analyzes content patterns to determine file types:
- Examines byte sequences and file structure
- Analyzes formatting and statistical patterns
- Considers multiple indicators beyond extensions
Results include confidence scores for each file type, showing the most likely match and alternatives.
- Verify uploaded files match their claimed extensions
- Detect files disguised with misleading extensions
- Screen for malicious content
- Identify files with missing or incorrect extensions
- Categorize and organize files by actual type
- Ensure files match expected formats
- Test file type detection in applications
- Validate content type handling
- Debug file processing issues
Detects 100+ file types, such as:
- Programming: JavaScript, Python, Java, C++, Rust, Go, TypeScript
- Documents: PDF, Word, Excel, PowerPoint, plain text
- Images: JPEG, PNG, GIF, WebP, SVG, BMP, TIFF
- Archives: ZIP, TAR, GZIP, RAR, 7z
- Media: MP3, MP4, AVI, WebM, WAV
- Web: HTML, CSS, JSON, XML, YAML