Category
Security & Privacy
Clear, trustworthy guides on staying secure online: strong passwords, how hashing and encryption really work, IP addresses and WHOIS, and the simple habits that protect your accounts and your data.
Security & Privacy
Every Free Domain & IP Tool on TontonTools
The complete list of TontonTools' free domain & ip tools — 15 tools, no signup, in your browser.
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Security & Privacy
Every Free Password & Security Tool on TontonTools
The complete list of TontonTools' free password & security — 15 tools, no signup, in your browser.
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Security & Privacy
How to Create a Strong Password (and Why Random Beats Clever)
Weak and reused passwords cause most account breaches. Here is what actually makes a password strong — and the easiest way to generate and manage one.
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Security & Privacy
MD5 vs SHA-256 vs bcrypt: Which Hash Should You Use?
Not all hashes are equal. Here is when to use MD5, SHA-256 and bcrypt — and the costly mistake of using the wrong one for passwords.
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Security & Privacy
IP Addresses and WHOIS: A Beginner's Guide
What your IP address reveals, how WHOIS works, and the free tools to investigate any domain or address — explained in plain English.
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Security & Privacy
What Is Two-Factor Authentication (2FA) and Why You Need It
Even a strong password can leak. 2FA adds a second lock that stops most account takeovers. Here is how it works and which type to use.
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Security & Privacy
What Is an SSL Certificate and Why HTTPS Matters
That padlock in your browser is an SSL certificate at work. Here is what it does, why every site needs HTTPS, and how to check any certificate.
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Security & Privacy
What Is DNS? How the Internet's Phone Book Works
Every time you visit a site, DNS quietly translates the name into an address. Here is how it works, the main record types, and how to inspect them.
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Security & Privacy
Phishing Explained: How to Spot and Avoid Scam Emails
Phishing is the most common cyberattack and it targets people, not computers. Here is how to recognise the red flags and protect yourself.
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