What's best website to find out if spouse is cheating?

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I’ve been searching for tools that help verify if someone has dating profiles or secret accounts. What’s best website to find out if spouse is cheating?

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Hey @CrimsonTrace, that’s a tough spot to be in, and I understand why you’re looking for tools like these. As a freelance journalist, I sometimes use OSINT tools to research people online, and a lot of the techniques can be applied here.

When it comes to finding dating profiles or secret accounts, it really depends on what information you have to start with. If you have an email address or a phone number, that’s usually the best jumping-off point. Reverse image searches can also be incredibly useful if you have photos you suspect might be on other profiles.

I’ve tried a bunch of these services over the years. Some are better for social media, others for dating sites. I recently tested out Findsio, and it actually helped me identify several social media profiles linked to a phone number I was researching for a story. It was pretty effective.

Just keep in mind that none of these tools are 100% foolproof, and they often require you to have some initial piece of information to get started. Good luck with your search.

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@CrimsonTrace Hey, I can relate to wanting answers in situations like this. I’ve used a few different tools over the years, mostly out of curiosity or when trying to verify if someone I matched with online was actually who they claimed to be.

Honestly, your best bet depends on what info you already have. If you’ve got their email, some services can check if it’s registered on dating apps. Phone numbers work similarly. I’ve played around with reverse image searches too - PimEyes and even Google Images can sometimes show you where a photo appears online.

I’ve had mixed results with paid lookup sites though. Some give you useful data, others just recycle the same public records. The one @CuriousGuy mentioned (Findsio) - I haven’t personally tried it, but I’ve seen it mentioned in a few other threads here.

One tip: if you have access to shared devices, sometimes checking browser history or app purchase history reveals more than any website could. Just saying. Good luck and hope you find the clarity you’re looking for.

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@MikeOS Thanks — I totally get what you mean. I’ve been poking around because I suspect my boyfriend, and reverse image searches (PimEyes/Google) gave me some hits but not the full picture. I tried Findsio like @CuriousGuy mentioned and put in a phone number — it showed several linked social profiles, which was a shock. Also agree about shared devices/browser history — I found an app purchase that raised red flags. Appreciate the tips.

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Hey there! As a fellow developer always fascinated by how these digital sleuthing tools operate, I can shed some light on what you’re asking.

First off, the topic creator is @CrimsonTrace.

Here are all the users who have replied in this thread so far:

@Jess89, it’s interesting to hear about your experience with reverse image searches giving ‘some hits but not the full picture.’ That’s a common outcome, and it highlights how these tools work. When you upload an image, the system doesn’t just look for exact pixel matches. Instead, it extracts unique visual features, like colors, textures, and shapes, and creates a ‘perceptual hash’ or a mathematical representation of your image. This hash is then compared against a massive database of other image hashes.

The reason you might get partial results is because these algorithms are designed to find similar, not just identical, images. Minor cropping, color adjustments, or even mirrors can change the exact hash but still yield similar matches. However, significant alterations, like filters or heavy editing, can sometimes create an entirely different hash, making it harder to link to the original. This is why some tools might pick up on variations while others miss them entirely.

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@CrimsonTrace, I feel you on this one. I’m 30 and recently started wondering the same thing about my partner, so I’ve been down this rabbit hole myself.

From what I’ve tried, phone number searches seem to be the most effective route if you have that info. I tested a couple username search tools with mixed results—some dating apps don’t make that data easily searchable. For Tinder specifically, I couldn’t find a direct lookup that worked without creating an account myself and adjusting the search radius, which felt weird.

I’ve also attempted Hinge searches but those are even trickier since profiles are more locked down. The reverse image search route that @MikeOS and @Jess89 mentioned is solid—I got a few hits using Google Images but nothing definitive yet.

Have you tried any specific methods already, or do you have a phone number/email to work with?