Online File Analyzer
Identifies file types, checks for threats, and suggests which apps to use
File Upload
Drag files here
or click to select files
Maximum 10 files
Up to 100MB per file
No files selected
Upload files to start analysis
Online Analyzer Features
Detects file type, suggests apps to open with, and checks security
Security Analysis
Check files for potential threats and type mismatches
- • Detect hidden extensions
- • Analyze potential threats
Archive Support
View and extract files from ZIP archives
- • ZIP archive support
- • View contents
- • Extract individual files
Detailed Information
Metadata and structured file analysis
- • Image EXIF data
- • Document metadata
- • File structure analysis
Office Documents
Analysis and preview of Microsoft Office documents
- • DOC, DOCX, XLS, XLSX, PPT, PPTX
- • Text extraction
- • Metadata viewing
PDF Analysis
Deep analysis of PDF documents with data extraction
- • Text and image extraction
- • Form and field analysis
- • Digital signature verification
100% Privacy
All operations run locally in your browser
- • No server upload
- • Works offline
- • Complete confidentiality
How to use the Online File Analyzer
Visual guides for main usage scenarios
Checking suspicious files
How to safely check a file before opening
Extracting files from archive
How to work with archives without installing programs
Deep PDF analysis
Extracting all information from PDF document
Checking image metadata
How to find out all information about a photo
100% Privacy
All operations in the Online File Analyzer are performed locally in your browser. Files are not uploaded to a server, not saved, and not transmitted to third parties. You can safely analyze any confidential documents - they remain only on your computer.
Try with Examples
Test files to demonstrate the capabilities of the Online File Analyzer
sample-document.pdf
PDF document with text and metadata for structure analysis
photo-with-exif.jpg
Photo with full EXIF data and camera information
test-archive.zip
ZIP archive with various file types for content analysis
spreadsheet.xlsx
Excel spreadsheet for demonstrating Office document analysis
masked-executable.pdf
Demonstration of real file type detection
Educational file for detection demonstration
website-code.html
HTML file with JavaScript for web content analysis
Safe Testing
All test files are specially prepared to demonstrate the capabilities of the Online File Analyzer. The "masked-executable.pdf" file contains only demonstration data and is completely safe. You can also use any of your own files - they are analyzed locally and are not sent anywhere.
Everything About the Online File Analyzer
Answers to popular questions about file analysis capabilities
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