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Developer Guides & Tool Tutorials

Practical guides on formatting JSON, decoding JWTs, choosing hash algorithms, generating UUIDs, and other everyday developer tasks — all runnable free, right in your browser.

ID & Password Generators

UUID vs ULID: Picking the Right Unique Identifier for Your Database

UUIDs are the default for a reason, but ULIDs solve a real problem UUIDv4 has in indexed database tables. Here is how to choose.

Alex Developer

July 22, 2026 • 2 min read

ID & Password Generators

How to Generate Passwords That Actually Resist Brute-Force Attacks

Length beats complexity. Here is the entropy math behind a strong password, and how to generate one without reusing the same weak pattern everywhere.

Alex Developer

July 22, 2026 • 2 min read