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View All GuidesHow to Create a Strong Password (2025 Guide)
Learn how to create strong passwords that protect your accounts from hackers and keep your personal information safe online.
5 min read
What is Two-Factor Authentication (2FA)?
Two-Factor Authentication (2FA) adds an extra layer of security to your accounts by requiring two different types of verification before access is granted.
5 min read
Brute Force Attack Explained
Understand how brute force attacks work, the types, real examples, and most importantly — how to protect yourself.
5 min read
All Security Tools Guides
17 guidesPassphrases vs Passwords: Which Is Stronger and When to Use Each
How a four-word passphrase compares to a random 12-character password in entropy, memorability, and resistance to different attack types — and which to choose for each situation.
25 Jun 2026
5 min read
Why You Need a Password Manager (And How to Choose One)
How password managers work, why they're the only practical solution for strong unique passwords across dozens of accounts, and how to pick the right one for your needs.
25 Jun 2026
5 min read
Password Entropy Explained: Bits, Keyspace & Crack Time
What password entropy actually measures, how to compute it from length and character pool, why crack time depends entirely on the attacker, and how to read an entropy-based strength meter.
25 Jun 2026
5 min read
UUIDs Explained: v4, v7, and When to Use Each
Learn what a UUID is, how the 128-bit format works, the difference between v4 and v7, why cryptographic randomness matters, and how to choose the right version.
25 Jun 2026
5 min read
How .htpasswd and HTTP Basic Auth Really Work
A practical guide to HTTP Basic Auth: what a .htpasswd file is, how APR1, SHA-1, and bcrypt hashing differ, and how to protect a directory on Apache or Nginx safely.
24 Jun 2026
5 min read
How to Use JWT Generator — Complete Guide
Learn how to create signed JWT tokens for testing and development using Tools.Town's free JWT Generator.
8 May 2026
5 min read
How to Use MD5 Hash Generator — Complete Guide
Learn how to generate MD5 hashes for checksums and data verification using Tools.Town's free MD5 Hash Generator.
8 May 2026
5 min read
How to Use SHA-256 Hash Generator — Complete Guide
Learn how to generate SHA-256 hashes for file verification, HMAC signing, and data integrity using Tools.Town's free SHA-256 Generator.
8 May 2026
5 min read
Hash Algorithms Explained — MD5, SHA-1, SHA-256 & Beyond
A plain-language guide to cryptographic hash functions. Learn what hashing is, how it works, and which algorithm to pick for passwords, file verification, or blockchain.
8 Mar 2026
5 min read
MD5 Hash — What It Is, How It Works, and Why It's No Longer Safe
A complete guide to the MD5 hash algorithm: how it produces a 32-character digest, why MD5 is cryptographically broken, and what to use instead.
8 Mar 2026
5 min read
SHA-1 Hash — How It Works and Why It's Been Deprecated
Everything about SHA-1: its 40-character output, how it differs from MD5, the SHAttered collision attack, and why modern systems have moved to SHA-256.
8 Mar 2026
5 min read
SHA-256 — The Hash Algorithm Powering the Modern Web
A deep dive into SHA-256: how it produces its 64-character digest, why it's the current security standard, and how it's used in Bitcoin, TLS, and file verification.
8 Mar 2026
5 min read
SHA-384 — The 96-Character Digest from the SHA-2 Family
Learn what SHA-384 is, how it differs from SHA-256 and SHA-512, its 384-bit output, and when to use it for TLS cipher suites and high-security applications.
8 Mar 2026
5 min read
SHA-512 — The Most Powerful Hash in the SHA-2 Family
A complete guide to SHA-512: its 128-character digest, 64-bit architecture, why it can be faster than SHA-256, and use cases in DNSSEC, SSH, and high-security signing.
8 Mar 2026
5 min read
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