30+ Email Guessers to Find Email Addresses

The following is a complete guide on how to find email address from anyone’s online profiles using various email guessers and other tools.

I believe that using the below methods will result in an email 90% of the time, in under 10 minutes of work – not bad if it’s an important contact, right?

The majority of these methods are free, the one drawback being that they can be a lot of manual work. The paid email guesser tools discussed at the bottom are better solutions for a scalable email campaign.

I imagine you had already tried our Email Finder feature and didn’t find what you expected or you may simply want to try different options.

But if you haven’t used Ninja Outreach for this I totally recommend you to check this How To Find Someone’s Email Address before going any further.

After mentioning that, let’s proceed!

[highlight-text]Exclusive Bonus:Download “How To Find Email Address” Ebook. That contains 10 more ways & 5 new resources on how to find anyone’s email. [/highlight-text]

Free Extension Tools

The following tools are GMail plugins or Chrome/Firefox extensions. They can be downloaded for free. Some of them require you to have an email address (I will show you how to make educated guesses below), or to be on a website.


Rapportive is a free GMail extension that adds profile information when you hover over an email address. The trick is to populate a bunch of email variations, and then hover over them with Rapportive active. If it shows a full profile, then it means that the email address is active.

  1. Generate best-guess email addresses using Email Guesser like this document.
  2. Hover over them in GMail
  3. If you see something like this – you’re good.


Some alternatives to this are:

  1. Full Contact
  2. Hubspot’s SideKick (read their tutorial here)
  3. Find That Lead
  4. Datanyze Insider
Ninja Outreach Chrome Extension

Ninja Outreach Chrome Extension is not an email guesser rather it is an email finder tool. You can use it while on a website and it will pull up any email addresses it finds on the website or from our database.


ContactOut is an AI-powered email finding tool that is able to find emails for 75% of people in the western world. It adds a powerful overlay on top of LinkedIn profiles. You see phone numbers, email addresses, and links to Twitter, Github, and personal websites.

Free Websites/Search Engines

Many free email guesser websites allow you to input a person’s name and domain and they will run the searches for you. Or you can take the variations you came up with above and test them. Often they require a first/last name and a domain, or just a possible email address to verify.



Email Hunter






SnapBird – searching through Twitter


Lusha – Uncover Contact Information About People


CEO Email




Email Generator

Email Generator


Findthat.email screenshot

Social Profiles

Many people put their email address on their social profiles. I know I do. In some cases you have to be a friend, but not always. Here are the locations for some popular networks. At the end I’ll link to some videos on how you can export from your own contacts in bulk.









Exporting Your Contacts

You can also export your own contacts off of social networks. This gives you the power to friend someone (who might friend you back), and then you might have access to their email.

Their Website

Naturally, a lot of people put their emails on their websites. The problem is that it can be in a lot of different places. Here are some common ones to check.

Contact Form or About Us


Their Footer (often as a mailto)


Their Newsletter

Chances are if you subscribe to their newsletter you’re going to get an email from them (a great opportunity to respond with your own inquiry)

Author Bios


Privacy Policies (scroll to the bottom)


Directories, Communities, Membership Websites

A lot of third-party directory type websites allow users to set up public profiles, from which you can snag an email address. There’s too many to list, so you best bet would be to search something like company + profile or name + profile and see what comes. To give you an idea:

Amazon Top Reviewers


Digital Agencies In London (Directory Example)


Paid Software

The benefit of paid tools is not necessarily that they have access to more email addresses than you could get form the above methods, but that they’ll actually automate a lot of the work involved with the above methods. They connect with APIs, do WHOIS lookups, and have their own databases from prior searches. Many of them only require a website to start and will do the rest. They also allow you to do this in bulk, whereas most of the above are very one by one approaches.

Here is a list of paid tools that you can user to make this process not so painful.

Ninja Outreach

In NinjaOutreach you can bulk import a list of website, and we’ll go and find email addresses (among about 20+ other things). Here’s a video of how that works:

Alternatives to NinjaOutreach (for email address finding)

  1. Rank Cracker
  2. AeroLeads

Bulk Verifier Services/Tools

There are many services/tools that allow you to upload a list and they will go through and verify if the email addresses are real. You can combine this with the method above to guess email addresses and find out which ones are valid. Naturally, most of these are paid or have strict limits for their free version.



Alternatives to Mail Tester


It goes without saying that email should not be used as a weapon. Just because someone’s email address is available does not mean you have permission to email them or that they want to hear from you.

[tweet text=”Just because someone’s email address is available does not mean you have permission to email them.” url=”https://goo.gl/o9VWzj”]

As always you should try to engage with the person first by means OTHER than email, and if you do have a message to send them don’t make it a solicitation.

I receive hundreds of emails a day. Many of them are in some form or another pitches, however, I am very open to working with people who do not approach me in a very sales-y manner. For example, maybe they just want my opinion or are asking if I would like to participate in a post they’re writing.

It’s the ones that go for the direct sell when we have no relationships whatsoever that almost always end up in the spam folder.

Related Story

Find Anyone’s Email Address With NinjaOutreach!

  • This post is properly ninja and needs some love!

    • Dave Schneider

      Thanks Richard!

  • Lusha Grabowski

    This is an amazing post, thanks for sharing Dave

    Another plugin which might be of value for you is: http://www.Lusha.co

    Its a great plugin which find personal contact details (Gmail & Hotmail) for candidates

    Please try it out and I’ll be happy to know what you think?


  • Austin Anderson

    Dave this post it fantastic and better than most that I have found out there. You need to update the page with 10 new trick and build some more backlinks to this page! It deserves more!

  • That’s a very comprehensive post Dave.

    For busy sales people compiling a list of email addresses can be a daunting, time-consuming chore. You could consider delegating this to virtual assistants who specialise in finding contact details. They know tricks and hacks of finding email addresses, like the ones mentioned in this article.

    At FillMyTable.com we have such a community of web researchers who are experts at finding contact details. Do give it a shot and see if it works out for you. http://www.fillmytable.com


    • Ryan Brown

      Hi Josh, Great idea. Hiring a virtual assistant and combining that with a bulk email finding service like https://findanyemail.net sounds like the right approach for high volume outreach 🙂

  • Dima

    Thank you Dave for really helpful article. I recommend you to add to your list of app one more new one – https://getprospect.io . Guys make a really cool tool to find corporate email addresses in just 2 clicks.

  • Thiru

    Thanks for your informative post Dave. Especially for sales people, I recommend using this following tool https://www.egrabber.com/emailprospector/ , it find anyone email addresses by their name and company

  • Megan Park

    How about giving a shot to https://www.nymeria.io? I have been using it and recommending to everyone I know and they absolutely fell in love with! One thing I love about Nymeria is that they do not guess emails like most out there.

  • Rory Girvan

    That’s a good post Dave, found it more insightful. Well I would also recommend you to add to your list AeroLeads as our sales team had used them before and found it to be worth using.

  • Luboslava Novotna

    I really like your Conclusion, Dave. Unfortunately, many sales people and marketers still do not know what is Permission Marketing. Digital marketing has changed a lot, however fairness and honesty should be the values in prospecting and lead generation.

  • From my experience you should have at least 3-4 sourcing tools. Since hunter.io, prophet and others are no longer availiable on LinkedIn i’d highly recommend you to try SignalHire(https://chrome.google.com/webstore/category/extensions).
    With SignalHire you’ll get:
    our browser extension, that extracts contact details (emails/phone numbers) from LinkedIn, Facebook, Twitter, GitHub, MeetUp and Google+ (there are more to come)
    verified email addresses (both work and personal) with phone numbers included
    an ability to search across all our database of 220MM of profiles and email candidates directly from the system
    an ability to track email opens and replies)
    Hope this will be helpful!

  • Jan Benedict

    Hi Dave,
    thanks for the excellent tips. While all the mentioned tools and methods are great I would like to add a tool named http://getthat.email which I created for my own need doing idea extraction in smaller (30-80 people) companies because in these type of companies crawling does not work because owner do not publish their email address in social media or on their website.
    Best, Jan

  • Vishant Gupta

    Nice article! Developing a platform is first step further finding prospect and lead is one of the hardest thing for any business growth, As you have mention tools above and tool which I have use AeroLeads, Rapportive it’s really save our back and help us to increase our reach.

  • Ryan Buckley

    It’s hard to find emails for a lot of business prospects and a lot of tools use just the bare bones kind of guessing or have old data from Chrome scrapers. Toofr is different — it’ll find email addresses in real-time using it’s ever-growing database and network of data vendors. First 30 emails are free if you want to try it out: http://www.toofr.com.