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IPED includes powerful built-in viewers for previewing and analyzing evidence without requiring external applications. All viewers support hit highlighting for search terms and provide quick access to file metadata.

Viewer Overview

IPED’s viewer architecture provides specialized viewers for different file types:

Text Viewer

Plain text, extracted content, hit highlighting

Hex Viewer

Raw binary data, hex editor functionality

Metadata Viewer

Technical properties, EXIF data, file attributes

MultiViewer

Format-specific viewers: images, videos, documents, HTML

Viewer Panel Layout

Viewers are organized in dockable panels:
Viewer Panels

Viewer Controls

Each viewer panel includes toolbar buttons:
Enable Pin Viewer to compare multiple files by switching between them without automatic updates.

Text Viewer

The primary viewer for text content extracted from all file types.

Features

  • Displays extracted text from any file format
  • Syntax highlighting for source code
  • Word wrap and formatting options
  • Unicode support for multiple languages
  • Automatic highlighting of search terms
  • Color-coded matches
  • Jump between hits with toolbar buttons
  • Context display around matches
  • Select and copy text
  • Search selected text
  • Context menu actions
  • Efficient loading of multi-megabyte text files
  • Pagination for very large documents
  • Quick navigation to specific hits

Hits Table

The Hits tab shows all search term matches in the current file:
ColumnDescription
#Hit number
ContextText excerpt around the match
Usage:
  • Click any row to jump to that hit in the text
  • Hits are ordered by position in file
  • Useful for quickly scanning match locations
Use the hits table to quickly assess if a file contains relevant information before detailed review.

Hex Viewer

Low-level binary file viewer for examining raw data.

Interface Layout

Offset    00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F

00000000  4D 5A 90 00 03 00 00 00 04 00 00 00 FF FF 00 00  MZ..............
00000010  B8 00 00 00 00 00 00 00 40 00 00 00 00 00 00 00  ........@.......
00000020  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  • Offset: Byte position in file
  • Hex Values: 16 bytes per row
  • ASCII: Printable character representation

Use Cases

File Signature Analysis

Verify file headers and magic bytes

Binary Data Examination

Analyze unknown or corrupted files

Data Recovery

Extract embedded data or examine carved files

Malware Analysis

Examine executable headers and structure
The hex viewer loads files into memory. Very large files (>100MB) may take time to load.

Metadata Viewer

Displays comprehensive file properties and metadata.

Metadata Categories

  • File name and path
  • Size (bytes, KB, MB)
  • Timestamps (created, modified, accessed)
  • Hash values (MD5, SHA-1, SHA-256)
  • File type and MIME type

Interactive Features

  • Click Metadata Values: Filter results by that value
  • Copy Properties: Right-click to copy specific fields
  • Export Metadata: Save to CSV or JSON
The metadata viewer is automatically updated when selecting different items.

Image Viewer

Specialized viewer for image files with zoom and enhancement features.

Capabilities

  • Support for hundreds of image formats
  • Automatic sizing to fit panel
  • High-quality rendering
  • Rotation and flip controls
  • Zoom in/out with buttons or mouse wheel
  • Fit to window
  • Actual size (100%)
  • Pan with click-and-drag
  • Grayscale (Ctrl+W): Convert to black and white
  • Blur Filter (Ctrl+Q): Obscure sensitive content
  • Filters apply in viewer without modifying original
  • Camera make and model
  • GPS coordinates (if available)
  • Capture date and settings
  • Overlay on image or separate panel

Supported Formats

  • Common: JPEG, PNG, GIF, BMP, TIFF, WebP
  • RAW: CR2, NEF, ARW, DNG, RAF, ORF
  • Advanced: PSD, SVG, ICO, HEIC
Use the image viewer’s blur filter when reviewing potentially sensitive content in group settings.
Grid-based thumbnail view for browsing multiple images:
  • Adjustable thumbnail size (± buttons)
  • Multi-column grid layout
  • Video frame thumbnails
  • Lazy loading for performance
Toggle between Table and Gallery views using tabs at the top of the results panel.

Video Viewer

Built-in video playback with frame extraction:

Video Controls

  • Play/Pause: Standard playback controls
  • Seek: Jump to specific timestamp
  • Frame-by-Frame: Step through video frame by frame
  • Speed Control: Adjust playback speed
  • Volume: Audio level control

Frame Extraction

  • Automatic thumbnail generation
  • Multiple frames extracted per video
  • View frames in gallery mode
  • Export specific frames

Supported Formats

  • MP4, AVI, MOV, MKV, WMV, FLV
  • MPEG-1, MPEG-2, MPEG-4
  • H.264, H.265 codecs
Video frames are extracted during processing and cached for quick access.

HTML Viewer

Web content viewer with link extraction:

Features

  • Display HTML emails
  • Render web pages
  • JavaScript execution (sandboxed)
  • CSS styling support
  • Display embedded images
  • List attached files
  • Preview attachments
  • Extract attachments
  • Headers (From, To, Subject, Date)
  • Body with formatting
  • Inline images
  • Attachment list

Security

  • External content blocked by default
  • Sandboxed execution environment
  • No automatic script execution
  • Safe preview of potentially malicious emails

Document Viewers

PDF Viewer

Integrated PDF rendering:
  • Multi-page Navigation: Previous/next page, jump to page
  • Zoom Controls: Fit width, fit page, custom zoom
  • Search: Find text within PDF
  • Annotations: View PDF annotations and comments
  • Text Selection: Copy text from PDF

Office Document Viewer

View Microsoft Office and LibreOffice files: Supported Formats:
  • Word (DOC, DOCX)
  • Excel (XLS, XLSX)
  • PowerPoint (PPT, PPTX)
  • LibreOffice (ODT, ODS, ODP)
Features:
  • Native rendering with LibreOffice
  • Preserve formatting and layout
  • Multi-page/sheet support
  • Extract embedded objects
Office viewer requires LibreOffice installation. See the Installation guide for requirements.

Audio Viewer

Audio file playback with transcription support:

Audio Controls

  • Play/pause/stop controls
  • Seek bar with timestamp
  • Volume control
  • Waveform visualization (if available)

Transcription Display

If audio transcription was enabled during processing:
  • View text transcript
  • Timestamp synchronization
  • Click transcript to jump to audio position
  • Search within transcript
  • Export transcript text

Supported Formats

  • MP3, WAV, OGG, FLAC, AAC
  • M4A, WMA, AIFF

Referenced File Viewer

Special viewer for handling file references and links:
  • Display shortcuts and symbolic links
  • Show reference metadata
  • Link to referenced item in case
  • Navigate to referenced file

Viewer Tips and Shortcuts

  • Ctrl+F: Search in viewer
  • Ctrl+↑/↓: Previous/next hit
  • Ctrl+Q: Toggle blur filter
  • Ctrl+W: Toggle grayscale
  • Space: Check/uncheck item
  • Arrow Keys: Navigate items

Multi-Viewer Tab

The MultiViewer automatically selects the best viewer:

Automatic Viewer Selection

IPED detects file type and chooses appropriate viewer:
Image file → Image Viewer
PDF file → PDF Viewer
Video file → Video Viewer
HTML file → HTML Viewer
Office doc → LibreOffice Viewer
Unknown → Hex Viewer

Manual Viewer Selection

Force a specific viewer:
  1. Right-click the file
  2. View As → Choose viewer
  3. Override automatic detection
Additional viewers for related evidence:

Subitems Table

View items extracted from the selected file:
  • Attachments from emails
  • Archived files from ZIP/RAR
  • Embedded objects from documents
  • Carved files from containers

Parent Table

View container files:
  • ZIP archive containing file
  • Email containing attachment
  • Disk image containing file
  • Folder hierarchy

Duplicates Table

All files with identical hash:
  • Same content, different paths
  • Useful for tracking file copies
  • Data exfiltration analysis

References Tables

Referenced Items:
  • Files that this item references (links, shortcuts)
Referenced By:
  • Items that reference this file (backlinks)

Next Steps

Bookmarks

Tag important evidence found during viewing

Bookmarks

Tag and organize evidence

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