Digital Evidence Toolkit
January 28, 2026 ยท View on GitHub
A curated collection of freely available tools and guides to assist individuals in gathering, preserving, and authenticating digital evidence.
Last Updated: January 28, 2025
Disclaimer: This repository is for informational purposes only and does not constitute legal advice. Adapt these methods to your own needs and consult legal counsel regarding evidence admissibility in your jurisdiction.
AI Disclosure: This documentation was developed with the assistance of Claude Code, an AI coding assistant by Anthropic. All content has been reviewed for accuracy, but users should verify information independently for their specific use cases.
Note on Tool Listings: The tools documented here represent a curated selection, not an exhaustive catalogue. Many categories (cloud storage, blockchain timestamping, metadata tools, etc.) have numerous additional providers and alternatives beyond those listed. We focus on well-established, accessible options to illustrate workflows rather than provide comprehensive market coverage.
How It All Connects
The diagram below shows how different components of digital evidence management work together:
flowchart TB
subgraph CAPTURE["๐ท Evidence Capture"]
direction TB
A1[Audio Recording]
A2[Photo/Video]
A3[Web Pages]
A4[Email]
A5[Messaging]
A6[Social Media]
end
subgraph VERIFY["๐ Verification & Integrity"]
direction TB
V1[Checksums/Hashes]
V2[Metadata Inspection]
V3[Timestamps]
V4[Blockchain Anchoring]
end
subgraph STORE["๐พ Secure Storage"]
direction TB
S1[WORM Media]
S2[Cloud Storage]
S3[IPFS/Decentralised]
S4[Evidence Bundling]
S5[DEM Platforms]
end
subgraph PROTECT["๐ Security & Privacy"]
direction TB
P1[Device Security]
P2[Secure Comms]
P3[OPSEC/VPN/Tor]
P4[Redaction Tools]
end
subgraph ANALYSE["๐ฌ Analysis & Investigation"]
direction TB
I1[OSINT Tools]
I2[Digital Forensics]
I3[AI/ML Tools]
end
subgraph LEGAL["โ๏ธ Legal Framework"]
direction TB
L1[Chain of Custody]
L2[Legal Considerations]
L3[Best Practices]
end
CAPTURE --> VERIFY
VERIFY --> STORE
STORE --> ANALYSE
PROTECT -.-> CAPTURE
PROTECT -.-> STORE
PROTECT -.-> ANALYSE
LEGAL -.-> CAPTURE
LEGAL -.-> VERIFY
LEGAL -.-> STORE
Quick Reference Index
| Category | Description | Key Tools |
|---|---|---|
| Guides | Foundation documents | Chain of custody, legal, best practices |
| Evidence Capture | Recording & collection | ProofMode, ASR, SingleFile, eEvid |
| Evidence Storage | Preservation & integrity | S3 Object Lock, OpenTimestamps, BagIt |
| Verification | Integrity & authenticity | ExifTool, MediaInfo, checksums |
| Investigations | OSINT & forensics | Maltego, Hunchly, Timesketch |
| Redaction | Privacy & PII removal | Video/audio/document redaction |
| OPSEC | Investigator protection | VPNs, Tor, secure comms |
| Apps | Platform-specific | Android, iOS, desktop |
Important Reading
Start here to understand the foundational concepts:
- Chain of Custody - Understanding evidence integrity and the capture-to-storage workflow
- Legal Considerations - Consent laws and legal requirements before capturing evidence
- Best Practices - Suggested workflows for evidence management
Evidence Capture
Tools and methods for capturing different types of digital evidence.
Audio
- ASR (Android Smart Recorder) - Android audio capture app
- Sony ICD Series - Physical digital voice recorders
- PR200 Bluetooth Recorder - Discrete Bluetooth recording device
- eEvid - Certified email delivery with proof
Photo & Video
- Content Authenticity Initiative - Hardware-level image certification (Leica, Pixel, etc.)
Web Pages
- Browser Extensions - SingleFile and other extensions for saving web pages
Messaging
Extracting and preserving chat/messaging evidence.
Social Media
Preserving posts, profiles, and social media content.
Evidence Storage
Secure storage and preservation methods.
WORM Media - Write Once, Read Many
- AWS S3 Object Lock - Cloud-based immutable storage
- Physical WORM Media - Optical discs, tape
Timestamps & Blockchain
- OpenTimestamps - Blockchain-anchored timestamps
- Blockchain-Based Evidence - Timestamping, notarisation, and immutable records
Decentralised Storage
- IPFS - Content-addressed peer-to-peer storage with built-in integrity verification
Checksums
- Checksum Utilities - File integrity verification
Cloud Storage
- Tresorit - End-to-end encrypted cloud storage
- Prodatix - Immutable cloud storage with retention
- Rclone - Sync tool for 70+ cloud providers (with GUI option)
Note: Many cloud providers offer immutable storage options (Azure Blob Immutable Storage, Google Cloud Storage retention policies, Backblaze B2, Wasabi, etc.). The tools listed above are representative examples.
Specialist Hardware
- Object First Ootbi - Immutable backup appliance
Evidence Bundling
- BagIt & Packaging Tools - Tools for packaging evidence with integrity verification
Digital Evidence Management
- Enterprise DEM platforms (Axon Evidence, FileOnQ) - Note: Many are law enforcement only
Metadata Inspection
Tools for examining file metadata and detecting manipulation.
- ExifTool - Industry-standard metadata reader/writer
- MediaInfo - Video/audio technical metadata
- Additional Tools - Metadata Extractor, Diffusion Toolkit, Dataset Tools (including AI image metadata)
Redaction & Anonymisation
Tools for removing PII and anonymising evidence before sharing.
- Overview - Principles and best practices
- Image Redaction - Photo/image anonymisation tools
- Video Redaction - Video anonymisation and face blurring
- Document Redaction - PDF and document redaction
- Audio Redaction - Audio censoring and anonymisation
- PII Detection Tools - Automated PII scanning and masking
- Anonymisation Tools - Database and dataset anonymisation
Investigations
OSINT and data gathering tools for research and investigations.
Digital Forensics
- Forensics Tools & Guides - Timesketch, Kuiper, and forensic artifact resources
Operational Security (OPSEC)
Protecting yourself during evidence gathering and investigations.
- Operational Security Guide - OPSEC principles and checklist
- VPNs - Privacy-focused VPN recommendations
- Tor Browser - Anonymous browsing for sensitive research
Information Security (InfoSec)
Securing your devices and communications.
- Device Security - Securing devices that handle evidence
- Secure Communications - Encrypted messaging and file sharing
AI Tools
AI and machine learning tools for evidence-related tasks.
- AI Tools Overview - LLM tools and considerations for evidence work
Apps by Platform
Quick reference for apps organized by operating system.
| Platform | Apps Available |
|---|---|
| Android | ProofMode, Capture Cam, ASR, FolderSync Pro |
| iOS | Capture Cam (limited options) |
| Windows | Desktop tools |
| macOS | Desktop tools |
| Linux | Desktop tools |
Related Projects
Other repositories that may assist with evidence handling:
- Proofmode-Unpacker - Tool for processing and extracting ProofMode evidence exports
- Claude-Evidence-Assistant - AI-assisted evidence analysis and documentation
- WhatsApp-Export-Unpacker - Extract and organize WhatsApp chat exports
Contributing
Contributions welcome. Please submit issues or pull requests for:
- New tools or resources
- Corrections or updates
- Platform-specific guides
- Regional legal considerations