Metadata Viewer - Inspect File & EXIF Properties

Detect file signatures, extract EXIF camera tags, view PDF and Office document properties, inspect audio ID3 and video container specs, calculate cryptographic hashes (MD5, SHA256), and audit privacy risks 100% locally.

🔒 100% Browser-Only Privacy ⚡ Instant Magic Byte Detection 📸 EXIF & GPS Coordinates 🔑 Cryptographic Hash Suite
📁
Drag & Drop Any File to View Metadata
Supports PDF, DOCX, XLSX, PPTX, JPG, PNG, WEBP, MP3, WAV, MP4, MOV, JSON, XML, CSV & more
Try Sample Files:
-
Detected Format
0
Extracted Fields
100%
Privacy Score
0 KB
File Size

📊 Metadata Property Breakdown

🛡️ Privacy Risk & Exposure Assessment

🛡️ Privacy & Security Audit
  • No privacy risks detected in file headers.
Category Property Name Extracted Value Copy
No file loaded yet. Drop a file above to inspect metadata.
💾 Export Extracted Metadata

What is a Metadata Viewer?

A Metadata Viewer is a digital inspection utility that reads, extracts, and analyzes hidden background parameters embedded inside digital files. Every computer file—whether a PDF report, digital photograph, spreadsheet, audio track, or video recording—contains two types of data: the primary user content (text, image pixels, audio waveforms) and the metadata ("data about data") created automatically by software applications, cameras, operating systems, and recording devices.

This browser-based Metadata Inspector parses raw binary signatures, document headers, EXIF tags, ID3 audio attributes, and container data structures to reveal exact creation dates, author names, camera settings, GPS coordinates, software versions, and cryptographic hashes without sending a single byte to external servers.

Supported File Types & Extraction Capabilities

Our client-side extraction engine supports every major document, multimedia, and structured data format:

  • Document Files (PDF, DOCX, XLSX, PPTX, ODT, ODS, EPUB): Title, author, organization name, creation/modification timestamps, page count, word count, total editing time, revision number, application name, PDF version, encryption status, and font attachments.
  • Image Files (JPEG, PNG, WebP, GIF, TIFF, HEIC, AVIF, SVG, ICO): EXIF camera manufacturer, lens model, aperture ($f$-stop), ISO speed, shutter speed, focal length, flash status, color space, dimensions, DPI resolution, and embedded GPS location coordinates.
  • Audio Files (MP3, WAV, FLAC, AAC, OGG, M4A): Artist, album title, track number, genre, release year, duration, audio bitrate, sample rate, channel count, and ID3 tag versions.
  • Video Files (MP4, MOV, AVI, MKV, WebM): Video resolution (1080p, 4K), aspect ratio, frame rate (FPS), video codec, audio channels, container type, and creation timestamps.
  • Structured Data (JSON, XML, YAML, CSV): Root type, element count, schema structure, CSV row/column metrics, and delimiter detection.

Understanding File Metadata Categories

Extracted metadata fields are organized into structured, searchable categories:

  1. General Information: File name, file size in bytes/MB, MIME type, file extension, last modified date, and magic byte signature confidence.
  2. Document Properties: Authorship, revision histories, application templates, section counts, and document summary metadata.
  3. EXIF & Camera Metadata: Physical hardware details, camera settings, exposure settings, software tags, and geolocational GPS coordinates.
  4. Audio & Video Parameters: Codec specifications, sampling rates, bitrates, channel layout, and media duration.
  5. Security & Cryptographic Hashes: Encryption flags, digital signature presence, and browser-calculated MD5, SHA-1, and SHA-256 integrity hashes.

Privacy Considerations & Security Audit

While metadata provides valuable forensic and organizational context, exposed metadata can introduce severe privacy and security risks:

  • GPS Location Leakage: Digital photos captured on modern smartphones frequently embed precise GPS latitude and longitude coordinates, exposing exact physical home or office addresses when shared online.
  • Identity Exposure: Office documents (DOCX, PDF) often store internal employee names, internal network paths, user IDs, and company names.
  • Software Vulnerability Fingerprinting: Leaked software names and version numbers can inform attackers of unpatched application vulnerabilities.

Our built-in security analysis engine automatically audits every uploaded file for privacy exposure, generating an instant Privacy Score and actionable safety recommendations.

Frequently Asked Questions

What is file metadata?
File metadata is hidden background information embedded inside files, including creation dates, author names, GPS location coordinates, camera settings (EXIF), software version info, page counts, and audio/video codecs.
Is my file uploaded to any server or cloud service?
No. All file reading, magic byte detection, EXIF extraction, document property parsing, hash generation, and report building occur 100% locally inside your browser. No data ever leaves your device.
Which file formats are supported by this Metadata Viewer?
This tool supports Documents (PDF, DOCX, XLSX, PPTX, ODT, ODS, EPUB), Images (JPEG, PNG, GIF, WebP, HEIC, TIFF, SVG, ICO), Audio (MP3, WAV, FLAC, AAC, OGG, M4A), Video (MP4, MOV, AVI, MKV, WebM), and Structured Datasets (JSON, XML, YAML, CSV).
Can this tool extract EXIF GPS location coordinates from photos?
Yes. If your digital camera or smartphone embedded GPS coordinates when taking a photo, this tool extracts the latitude, longitude, and altitude, while highlighting any associated privacy risks.
How does privacy risk scoring work?
The security analysis engine audits extracted metadata for sensitive information such as physical GPS location, author real names, organization details, device serial numbers, and software versions, generating a privacy score and security recommendation.
Can I export the extracted file metadata?
Yes. You can export complete metadata reports in HTML, PDF, JSON, CSV, Excel, and Markdown formats, or copy summary tables to your clipboard.

Conclusion

The Metadata Viewer gives developers, privacy advocates, digital forensicians, and casual users complete transparency into the hidden properties of their files. By performing all processing 100% locally inside your browser, you can inspect document properties, camera EXIF tags, and security risks with total privacy peace of mind.