Security11 min read
JWT Structure Decoded: Header, Payload, and Signature
A JWT is three Base64URL parts joined by dots — header.payload.signature. The first two are readable by anyone; the signature makes it tamper-evident.
M H Tawfik
Toolk Blog
Developer notes, tool deep-dives & productivity playbooks
Practical, no-fluff posts from the team building Toolk — written for developers, designers, and creators who want to ship faster.
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Showing 4 of 16 posts
Security11 min read
How to Create a Strong Password (and Why Length Beats Complexity)
A strong password is long and random, not full of symbols. Learn why a 5-word passphrase beats P@ssw0rd!, how to count entropy, and what NIST 800-63B now says.
M H Tawfik
Security11 min read
Hashing vs Encryption vs Encoding: What's the Difference?
Encoding is reversible without a key, encryption is reversible with a key, hashing is one-way. The exact differences and when to use each.
M H Tawfik
Security10 min read
Base64 Encoding: Complete Developer's Guide with Examples
How Base64 encoding works, when to use it, and what it costs: a 33% size overhead, no security, and the URL-safe variant most APIs expect.
M H Tawfik