Practical guide
Base64 Encoding and Decoding: A Practical Guide
Learn what Base64 is, when to use it, and how to safely encode or decode Unicode text.
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CodeKitBox Practical Guides
Learn common online tools, data formats, and security practices with concise practical guides.
Practical guide
How to Decode and Inspect a JWT Safely
Understand JWT structure, inspect claims, and avoid confusing decoding with signature verification.
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How to Format, Validate, and Fix JSON
Learn how to beautify JSON, find common syntax errors, and prepare compact JSON for APIs.
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How to Create a QR Code That Scans Reliably
Create QR codes for URLs and text while avoiding common scanning and printing problems.
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How to Create and Manage Strong Passwords
Create unique strong passwords, understand password length, and avoid dangerous reuse.
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