We don't sell. We support. You decide.

S21 Spotlight Sessions

Discover S21 Spotlight Sessions – a fresh, no-pressure way to explore digital forensic tools. No demos. No sales calls. Just a guided experience that lets the software speak for itself.

This month’s Spotlight is on: S21 VisionX

What if the tool that solves your case – or rescues your victim – is the one you haven’t tried yet?

We’re excited to introduce S21 Spotlight Sessions – a new way to explore digital forensic tools, hands-on and at your own pace. Each month, we shine the spotlight on a different S21 product – sharing real features, real case insights, and bite-sized walkthroughs via social and email.

No demos. No sales calls. Just a guided experience that lets the software speak for itself.

Even if this isn’t for you – do you know someone who investigates digital evidence? Share this site with them to help them to help them explore the tools and earn free certification – no pressure, just support. It could help them close their next case – or rescue a victim faster.

Free Licence

Step-by-Step Walkthroughs

Real World Case Examples​

Certificate on Completion

All for free, with no commitment

You may think you know us already – but did you know about our whole toolset?

You may already know us as the creators of S21 VisionX, the gold standard in CSAM and ICAC investigations. But our complete toolkit goes far beyond that and Spotlight Sessions are your chance to explore them, one at a time.

Upcoming Spotlights will feature:

S21 VisionX – CSAM Categorisation and Victim Identification

Industry-leading AI for CSAM and victim ID. Includes facial matching, CSAM detection, OCR/QR detection, tagging & labelling, and victim-focused workflows – all completely offline.

S21 CCTV – Rapid, intelligent CCTV and Bodycam review

Rapid, offline video review built for frontline and lab use. Includes motion/audio/faces/vehicle detection, redaction, enhancement, OCR/ANPR, and instant reporting – all without cloud or servers.

S21 Transcriber – Transcribe interview/phone messages with ease

Automatically transcribe interviews, calls and voice evidence across multiple languages with speaker separation, timestamps, and exportable text.

S21 Global Alliance Database – The world’s biggest database

The world’s largest CSAM intelligence database with AI-driven image classification, known file detection, and cross-agency collaboration tools.

S21 Discovery – A new era in risk management triage

Risk-based AI triage built for speed. Prioritise high-risk content, uncover hidden threats, and streamline case load – ideal for fast-turnaround environments.

S21 Investigator Wellbeing – The only investigator wellbeing exposure tracker

The only exposure tracking tool for investigators, with green visual mode, case-level tracking, and digital wellbeing monitoring designed to protect your team and organisation.

S21 AutomateX – The worlds biggest database

Automate your entire forensic intake. Run multi‑disk imaging, data carving/extraction, X-Ways processing, AND AI-powered analysis in S21 VisionX — all in one click, fully configurable and completely offline. Save time and costs, ensure ISO‑17025 compliance, and eliminate manual bottlenecks.

Global victim identification intelligence at unprecedented scale.

The S21 Global Alliance Database contains over 3.5 billion law-enforcement-contributed intelligence records from trusted partners worldwide, helping investigators support victim-identification workflows, uncover cross-case links and surface critical investigative intelligence at global scale.

The DNA of Semantics 21

Fully Offline & Secure

Protect sensitive evidence and avoid the risks of cloud-based AI. All Semantics 21 applications run completely offline, ensuring no data leaves your environment and eliminating exposure to third-party access or breaches.

Built for Law Enforcement

Not only are all of our applications much more affortable than other products, they are built specifically with the tools, features and usability you’d expect – to do your job with ease, accuracy and effectiveness.

No Servers or Specialist Hardware

Deploy instantly without complex infrastructure. Semantics 21 applications run efficiently on standard workstations or existing networked machines — no dedicated servers or high-end hardware required.

"The difference between good and great often comes down to knowing what’s possible – and having the right tools to act."

Dr. Liam Owens
CEO

Real world impact

Explore our latest case studies, direct from our users

Switch with ease, free trials, guided migration and rapid onboarding

Get started in minutes. S21’s intuitive design means most users need no formal training – just a few hours to full operational confidence.