What is the best online investigation tool? Exploring lenso.ai

If you want to run your own investigation without spending a fortune on private detectives, you definitely need to check out online investigation tools. What is the best online investigation tool?

What can an online investigation tool be used for?

There are plenty of reasons to use online investigation tools, including:

• Learning more about a potential date you met online
• Catching a potential fraud or catfish or scammer
• Reconnecting with a lost friend or classmate
• Gathering information about a person who is currently missing
• Fact-checking information
• Locating original sources

What is the best online investigation tool? Exploring lenso.ai

So basically lenso.ai can help you with all use cases mentioned above. As a reverse image search tool with facial recognition engine, it can effectively help you to find more information using only an image.

What is lenso.ai?

Lenso.ai is a reverse image search tool powered by its own facial recognition engine. It allows you to upload an image and search for:

• People
• Duplicates (copyright image search)
• Places
• Related images
• Similar images

How can lenso.ai help you with your investigation?

Learn more about a potential date and check for catfishing or fraud or scammer

All you need is an image of the person you’re interested in. Upload it to the face search on lenso.ai and check the “People” category.

If there are any matches, review the URL sources under each image to see what information is available about that person. Also, check the “Duplicates” category - catfishers often reuse the same picture across different dating apps. If you find multiple matches, it may raise some concerns.

Pro tip: There are plenty of websites that expose catfishers. You can **filter by domain **on lenso and view results only from specific sites.

Reconnecting with a lost friend or classmate

Lenso.ai can also help you reconnect with a lost friend by matching older photos with recent ones. This makes it easier to find people you’ve lost touch with over time.

Sometimes, URL sources may reveal where the person currently works or lives. If you want the most up-to-date information, sort the results by “Newest.” (You can also sort by oldest, best, or worst match.)

Gathering information about a missing person

People Finder as a must-have tool for OSINT investigations

Lenso.ai can be an essential tool during a missing person investigation. You can search for the latest mentions or create a free alert for a specific image and category. You’ll receive email notifications whenever new image results appear.

If the image contains a recognizable landmark, lenso.ai can help localize it - just check the “Places” category.

Fact-checking information

If you need to fact-check an image or any related information, lenso.ai is one of the easiest and most reliable tools to use. Simply upload the image you want to verify and explore all available categories and URL sources. You can quickly find and compare:

• where the image appears online
• what information is available about that image

Locating original sources

With lenso.ai’s reverse image search, you can easily find the original source of an image and see all available copies online. This is extremely useful for checking whether an image is copyrighted or potentially misused. You can also use it for research projects to find every possible related source.

And if you’re running a long-term investigation, you can activate image alerts (mentioned above) to receive regular updates on new results.

So, to summarise, what is the best online investigation tool?

Definitely lenso.ai’s reverse image search, as it can help you easily and effectively find more information about a specific person using just a photo.

Are there any other tools that can help with online investigations?

Besides lenso.ai, you can also check out these tools:

• Maltego for OSINT research
• BeenVerified for searching by name, surname, phone, or email
• FindPicLocation to discover the location from a photo
• ContactOut for finding an email using a person’s name and surname

You can find more tools in our latest article: Best Free OSINT tools for people and face search in 2025