CSAM Solutions
CSAM Solutions
S21 VisionX
Advanced AI solution for categorisation, prioritisation and victim-first investigations.
S21 Discovery
A frontline triage tool for rapid identification and review, built for lab or field use.
S21 Investigator Wellbeing
The only platform built to monitor and manage exposure risks during sensitive content review.
Investigative apps
S21 School Badge Lookup
Accurate identification of schools from visible badge details in images and video.
S21 Deepfake Detector
Accurate detection of manipulated and synthetic imagery to support authenticity assessment.
S21 AI Describe
Automated, detailed descriptions of imagery generated to support investigative understanding.
S21 Global Alliance Database
The world’s largest CSAM intelligence database
Learn more
Watch overview
Digital Forensics Tools
Digital Forensics Tools
S21 CCTV
AI-enhanced CCTV review, enhancement and reporting, designed for frontline teams and forensic labs alike.
S21 Transcriber
Turn interviews, calls and recordings into accurate offline transcripts for secure review.
S21 AutomateX
Save time, money and resources with easy automation for multi-disk imaging, data carving, analysis and media review.
Investigative apps
S21 School Badge Lookup
Accurate identification of schools from visible badge details in images and video.
S21 Deepfake Detector
Accurate detection of manipulated and synthetic imagery to support authenticity assessment.
S21 AI Describe
Automated, detailed descriptions of imagery generated to support investigative understanding.
S21 Global Alliance Database
The world’s largest CSAM intelligence database
Learn more
Watch overview
Training
Discover S21
Company
About Us
AI-enhanced CCTV review, enhancement and reporting, designed for frontline teams and forensic labs alike.
Partners
We are proudly supported by partners across the world, to help deliver our solutions globally.
Vacancies
We’re going places, are you?
Resources
S21 Spotlight Sessions
Discover S21 Spotlight Sessions – a fresh, no-pressure way to explore digital forensic tools.
Case Studies
Explore realistic investigative scenarios that show how S21 supports teams in high-pressure environments.
Webinars
We know you are busy. Therefore, for your convenience, our webinars are available on demand.
Contact Us
My S21
S21 Support Portal
Download the latest S21 software, request quotes, and submit support tickets.
S21 Passport and Spotlight Training Portal
Access your S21 Passport and Spotlight training content and see how Semantics 21 enhances your digital investigations.
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Start a Free Trial
Book a Demo
Free Trial
Support
Whether you are new to S21 or already a user, we would love to hear from you
How-To Guides
Download how-to guides
Help & Contact
Get help
When every second matters, make sure your tools never let you down.
Power your investigations with technology designed for the toughest cases.
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CSAM Solutions
S21 VisionX
S21 Discovery
S21 Investigator Wellbeing
Forensics Tools
S21 CCTV
S21 Transcriber
S21 AutomateX
Additional Products
S21 Global Alliance Database
S21 School Badge Lookup
S21 Deepfake Detector
S21 AI Describe
Discover
S21 Spotlight Sessions
Case Studies
Partners
Webinars
About S21
About Semantics 21
Vacancies
Support & Contact
Get In Touch
S21 Support Portal
S21 Training Passport
