How to Protect Your Online Privacy When Registering on Websites Using Temporary Emails and Fake Profiles

Why Your Online Privacy Is Worth Protecting Right Now

Every time you sign up for a website, you hand over a piece of your identity. It might feel harmless — just an email address here, a name there — but the reality of what happens to that data after you click the register button is something most people never think about. The website stores your information in a database. That database may be sold to advertising companies, leaked in a data breach, or mined by third-party data brokers who build detailed profiles about millions of people and sell them to whoever is willing to pay.

The result, at its mildest, is a flooded inbox full of spam newsletters you never asked for. At its worst, your real name, email address, and browsing habits are circulating in marketing networks and potentially in places far less reputable. The fact that this is technically legal in many jurisdictions does not make it any less of a problem for ordinary users who just wanted to download a file or read one article.

Fortunately, there are free, easy-to-use tools that let you register on websites without exposing any real information about yourself. This guide covers two of the most useful ones — a temporary email service and a browser-based fake profile generator — and explains exactly how to use them together to keep your real identity safely out of the hands of websites you do not fully trust.

Understanding What Websites Actually Do with Your Data

Before diving into the tools, it helps to understand the specific ways your information gets misused so you know what you are actually protecting yourself against.

The most common scenario is email harvesting. A website collects your email address during registration and immediately begins sending promotional emails — or sells your address to a third party who does the same. Even websites that claim they will never share your data with anyone frequently have clauses buried in their privacy policies that allow them to share anonymized or aggregated data, or to pass your information to "trusted partners," which in practice can mean almost anyone.

A more serious concern is profiling. Data brokers collect information from dozens or hundreds of sources — retail sites, news publishers, app developers, social platforms — and stitch them together into a profile linked to your email address or name. That profile might include your approximate location, your interests, your purchase history, and your browsing patterns. These profiles are bought and sold without your knowledge or meaningful consent.

There is also the straightforward risk of data breaches. Every website you register on is another place where your information sits in a database that could be compromised. The more websites hold your real email, the more likely one of them will eventually be breached and your address will end up in a spam list or credential database.

For websites you plan to use regularly and trust, none of this is a reason to panic — using your real email with a service you genuinely want is perfectly reasonable. But for websites you need to access just once, or whose trustworthiness you are not sure about, providing real information is an unnecessary risk.

Tool One: Mohmal — A Free Temporary Email Service

Mohmal is one of the cleanest and most straightforward temporary email services available. You visit the website, and it instantly provides you with a randomly generated email address that has a fully functional inbox. Any email sent to that address will appear in the inbox on the page in real time. After roughly four to five minutes, the address and everything sent to it disappears automatically — no action required on your part.

The use case is simple: when a website asks you to register with an email address in order to access something you only need once — a download, a single article, a free trial — you use a Mohmal address instead of your real one. The website sends its confirmation email to the temporary inbox, you copy the verification code, complete the registration, get what you came for, and move on. The temporary email address self-destructs, and your real inbox stays clean.

Using Mohmal takes about thirty seconds. Navigate to the website and the address is already waiting for you on the main page. A single click copies it to your clipboard. On the right side of the screen, a countdown timer shows how much time remains before the address expires. If you need more time, some temporary email services allow you to extend the session or generate a new address — check the options available on the page.

One practical tip: if the randomly generated address gets rejected by the website you are trying to register on — some platforms block known temporary email domains — Mohmal offers a domain selection feature that lets you choose from multiple available domains. Switching to a different domain is usually enough to get past those filters.

When a Temporary Email Is Not Enough — Creating a Dedicated Throwaway Account

Mohmal is ideal for truly one-off situations where you need a verification email and nothing more. But there are cases where a four-minute inbox is not practical — for example, if you need to stay registered on a site for a few days, or if the confirmation email takes longer than expected to arrive.

For those situations, the better approach is to create a dedicated secondary email account on a legitimate free provider like Gmail or Outlook. This account is not your main address — it is a separate inbox you use exclusively for registrations on sites you are not fully committed to. You check it occasionally, keep it completely separate from any personal or professional communications, and treat it as a buffer between your real identity and the internet at large.

This approach has several advantages over a purely temporary address. The inbox persists, so you can access password reset emails if needed. The domain is a mainstream one that will not be blocked. And because nothing meaningful is connected to that email — no contacts, no personal messages, no financial accounts — even if it ends up in a spam list or data breach, the damage to your real privacy is minimal.

Tool Two: Randus.org — A Fake Profile Generator with a Chrome Extension

Mohmal solves the email problem, but registration forms typically ask for much more than just an email address. They want your full name, a username, a password, sometimes a date of birth or phone number. Filling all of these with realistic-sounding but entirely fictional data manually is tedious. Randus.org automates the entire process.

Randus is a web service that generates complete fake personal profiles on demand. Each profile includes a fictional full name, a mailing address, a username, a strong random password, a phone number, a date of birth, and even a profile picture. None of this information belongs to any real person — it is procedurally generated specifically to look plausible while being entirely meaningless from a privacy standpoint.

The real power of Randus comes from its browser extension, which integrates directly into Chrome and other Chromium-based browsers including Opera. Once installed, the extension can detect registration forms on any website and automatically fill them with the generated fake profile data in a matter of seconds — no copying and pasting required.

Setting Up Randus.org Step by Step

Getting started with Randus requires a free account, which you can create using the temporary Mohmal email address from the previous section — a perfect example of how these two tools complement each other.

Navigate to Randus.org. The website defaults to Russian, but there is a language switcher in the top right corner — click it and select English to switch the interface. Find the login area and choose the option to create a new account. Fill in the registration form with a username of your choice, the temporary email address from Mohmal, and a password. Complete the registration and verify your email using the confirmation that arrives in the Mohmal inbox.

Once logged in, the first thing to do is copy your API key from the account control panel. This key is what links the browser extension to your account. Navigate to the Chrome Extension option within the Randus interface, install it from the Chrome Web Store, and pin it to your browser toolbar for easy access. Open the extension, paste your API key into the settings field, and click Save. The extension will confirm that it is connected to your account with a greeting message.

Your free account includes the following capabilities:

Account type:   Free
Daily limit:    10 profile generations per day
Languages:      English, Russian, English (UK)
Cost:           $0

Ten profiles per day is more than enough for typical personal use. If you find yourself needing more, Randus offers paid tiers with higher limits.

Using the Randus Extension to Register on a Website

With the extension installed and connected, using it on any registration page is a matter of a few clicks. Navigate to the website where you want to create an account and find the registration or sign-up page. Before filling anything in manually, click the Randus extension icon in your browser toolbar.

In the extension panel, look for the arrow next to the "Create Personality" button. Click the arrow first to select the language you want the generated profile to use — choosing English will produce an English-language name, address, and other details. Then click "Create Personality." Within a couple of seconds, a complete fictional profile appears in the extension panel, including a name, address, login credentials, phone number, birthday, and profile picture.

Below the profile details, there will be a button to automatically complete the form on the current page. Click it, and the extension will populate the registration fields with the generated data. All that remains is to submit the form. If you need to revisit the profile later — for example, to retrieve the generated password — open the extension and navigate to the History tab, where all your previously generated profiles are stored.

Using Both Tools Together: A Practical Workflow

The most effective approach is to use Mohmal and Randus together as a two-step privacy workflow whenever you need to register on an untrusted website.

Start by opening Mohmal in one browser tab and copying the temporary email address it generates. Switch to the website you want to register on and open its registration page. Click the Randus extension, select your preferred language, and generate a fake profile. When the extension auto-fills the form, it will use the generated fake email by default — but if you want to use the Mohmal address instead to ensure you can receive the verification email, paste the Mohmal address into the email field manually before submitting.

After submitting the form, switch back to the Mohmal tab. The confirmation email from the website should arrive within a minute or two. Copy the verification code or click the confirmation link, complete the registration, and you are in — having provided the website with zero real information about yourself.

Step 1: Open mohmal.com → copy the temporary email address
Step 2: Go to the website's registration page
Step 3: Click Randus extension → select language → Generate personality
Step 4: Let Randus auto-fill the form
Step 5: Replace the email field with your Mohmal address
Step 6: Submit the registration form
Step 7: Check Mohmal inbox for the confirmation email
Step 8: Verify and complete registration
Step 9: Access what you came for
Step 10: Close the Mohmal tab — the address self-destructs automatically

What These Tools Protect You From — and What They Do Not

Used correctly, this combination of tools is genuinely effective at keeping your real identity out of databases you do not want it in. Your real email address stays clean. Your real name does not end up in marketing lists. The profile data the website collects is fictional and useless for tracking or targeting you specifically.

However, it is important to be clear about the limits of this protection. These tools address the identity and email layers of privacy — they do not address network-level tracking. When you visit a website, that website can still see your IP address, which reveals your approximate geographic location and can be used to identify your internet service provider. Your browser also sends information about your device, operating system, screen resolution, and installed fonts that can be combined into a browser fingerprint used to identify you across sessions even without any account or cookie.

For more comprehensive privacy on untrusted websites, consider combining these registration tools with a VPN to mask your IP address, and a privacy-focused browser or browser settings that limit fingerprinting. Changing your Wi-Fi MAC address, as covered in a separate guide, adds another layer at the network level. Each tool addresses a different part of the tracking picture, and combining several of them together gives you meaningful, layered protection.

Final Thoughts: Privacy Is a Habit, Not a One-Time Fix

The tools covered in this guide are free, take only a few minutes to set up, and can be used on any device with a browser. There is no reason not to use them whenever you find yourself on a registration page for a website you do not fully trust or do not plan to use regularly.

Beyond the tools themselves, the most important shift is developing a habit of asking one question before handing over any personal information online: does this website actually need my real details, or am I providing them out of reflex? Most of the time, a website that demands registration to access something is not doing so because it needs to know who you are — it is doing so because your data has value to it. Recognizing that dynamic, and responding to it with appropriate tools, is the foundation of practical online privacy.

There are many other free services beyond the two covered here that offer temporary emails, disposable phone numbers, and randomized profile data. The landscape of privacy tools continues to grow as awareness of data collection practices increases. The examples in this guide are a starting point — once you understand the concept, exploring other options becomes straightforward.

Stay safe, keep your real information close, and make every website earn the data it asks for.

Written by Khalil Shreateh Cybersecurity Researcher & Social Media Expert Official Website: khalil-shreateh.com