Public-web discovery
Designed to surface pages that are already visible on the open web, not gated or private content.
Public-web identity verification
AI Reverse Image & Face Search
Upload a photo to discover publicly available matches across the web. 221B is built for identity checks, catfish detection, OSINT research, and finding where a face appears online.
Human-reviewed matches
Confidence helps you prioritise. The actual decision still comes from source context and manual review.
Modern verification workflows
Useful for catfish checks, OSINT research, dating safety, and finding where a face appears online.
Start a search
Upload a face photo
Public web only
Drag and drop an image
Use one clear face photo with good lighting. If you are signed in, we will take you straight into the search flow.
Choose a photo
Best input
One face, front-facing, well lit.
Avoid
Group shots, blur, masks, and heavy filters.
Review style
Always verify the original page before acting.
InstagramLinkedInXTikTokYouTubePinterestNews sitesPublic blogs
Public-web face search explained
What 221B is designed to do, and how to use it well.
221B is a reverse image and face search tool for discovering publicly available matches across the web. The core job is identity verification: upload one face photo, surface candidate source pages, and manually confirm the context.
A strong reverse face search workflow needs more than a glossy upload box. It needs clear explanations of what the product searches, what it does not search, and how people should interpret the results before acting on them.
Best fit
Best for catfish checks, online dating safety, OSINT research, and confirming where a face appears on the public web.
Read the full workflow guideWhat 221B searches
A public-web reverse face search workflow, not a private-records product.
If someone is trying to find a person by photo, the right expectation is public-web discovery: candidate source pages, public profiles, and visible pages that still need manual verification.
Likely source types
- Public social profiles and creator pages
- News stories, interviews, and public articles
- Blogs, forums, and other crawlable websites
- Open-web profile pages where the same face may appear in different photos
Important limits
- Private accounts, hidden databases, and gated content
- Identity conclusions without source review
- Blurred, group, masked, or heavily filtered photos as reliable input
How to review a result
- 01
Upload one clear face photo
Use one visible face with good lighting and minimal obstruction. Stronger input usually means stronger candidate quality.
- 02
Scan public-web candidates
221B compares facial similarity across public profiles, articles, blogs, and other crawlable sources.
- 03
Verify the source manually
Review the original page, timestamps, identity clues, and surrounding context before treating anything as confirmed.
Result quality checklist
- Open the original page and read the surrounding context
- Compare names, usernames, bios, timestamps, and location clues
- Treat the face score as a prioritisation signal, not proof
Why this is different
Reverse face search is a different job from reverse image search.
A lot of people start with Google Images. That is useful for duplicate pictures, but it often misses the same person appearing in different photos. This is where facial similarity search becomes the better fit.
Public-web only
221B is built to surface public pages that are already online. It is not a private-records product.
Confidence is not proof
Similarity narrows the field, but names, dates, bios, and source credibility still matter.
Built for legitimate use
Best suited for identity verification, safer online interactions, open-source research, and photo misuse checks.
Comparison board
Google Images vs 221B
Google is excellent at duplicate-image tracing. 221B is built for public identity verification across different face photos.
| Signal | Google reverse image search | 221B reverse face search |
|---|---|---|
| What it matches | Usually the same image or a very similar picture | The same person across different photos and pages |
| Best use case | Tracing an original image or duplicate image source | Identity verification and public profile discovery |
| Different angles and lighting | Limited | Much stronger |
| Manual verification workflow | Secondary | Primary |
Use cases
Real jobs to be done, not just a face-search demo.
Catfish checks
See whether the same face appears elsewhere under different names, stories, or profile contexts.
Dating safety
Check public traces before trusting identity claims or moving a conversation into the real world.
Photo misuse
Search your own face to spot public pages that are using your image without your knowledge.
OSINT research
Locate public profiles, source pages, and candidate identity trails for manual investigation.
Trust and methodology
Clear scope, explicit limits, and a review workflow that users can defend.
For SEO, this matters because the homepage should explain the product in plain terms: what 221B searches, what it does not search, and how users should interpret candidate matches.
People-first result review
The intended workflow is not “upload and believe.” It is upload, inspect source pages, compare public clues, and verify whether the surrounding context actually supports the match.
Public-web scope
221B is framed around publicly available websites, profiles, and articles. That constraint matters for accuracy, expectations, and compliance with what users should understand before they search.
Editorial support
Guides and comparison content explain how reverse face search differs from reverse image search, when it helps, and where manual review still matters.
Featured guides
Editorial content that strengthens the product story.
Editorial guide
How to Find Someone by Photo
A practical guide to reverse face search, source validation, and reviewing matches responsibly.
Read the guide
Editorial guide
Reverse Face Search vs Reverse Image Search
A clearer explanation of when Google Images helps, when face search helps, and how to tell the difference.
Read the guide
Editorial guide
How to Detect Catfishing
Use public-web face search to check whether a profile photo appears elsewhere online and verify the source pages carefully.
Read the guide
Common questions
What people usually ask before they run a face search.
What does 221B search?
221B is built to search publicly available web pages, public social profiles, articles, blogs, and other crawlable content that contains a face match candidate.
Is this the same as Google reverse image search?
No. Google is strongest at finding the same image or close visual duplicates. Reverse face search is designed to find the same person across different photos.
What kind of photo works best?
Use one clear, front-facing photo with one visible face, solid lighting, and minimal obstruction from masks, blur, or heavy filters.
Does 221B search private accounts?
No. The intended use is public-web discovery. Private, gated, or non-public content is outside the scope of the product.
Can I trust a face match on its own?
No. A match should always be verified using source context, names, locations, dates, and other public signals before you treat it as confirmed.