Guides & Tutorials
Practical, step-by-step guides for developers, writers, and digital professionals โ each linked to a free browser tool you can use right now.
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9 articles
Fix Invalid JSON Fast
Trailing commas, single quotes, unquoted keys โ fix the most common parse errors and choose beautify vs minify correctly.
Decode JWT Safely
Understand decode vs verify, which claims to inspect, and safe production practices for auth tokens.
SEO Slug Best Practices
Write shorter, cleaner URLs with better keyword placement and fewer slug mistakes that hurt rankings.
Compress Images for Web
WebP vs JPEG, the quality slider sweet spot, and a checklist to run before publishing any image online.
Base64 Encoding Explained
How encoding works, when to use it in tokens and data URIs, and why Base64 is NOT encryption.
UUID and GUID Explained
UUID versions, when to use v4 vs v7, database performance trade-offs, and GUID vs UUID demystified.
URL Encoding Explained
What %20 means, encodeURI vs encodeURIComponent, and how to fix broken links with special characters.
QR Codes Explained
What to encode, error correction levels, print vs digital best practices, and a deployment checklist.
Strong Password Guide
Password entropy, minimum lengths, why reuse is dangerous, and how to manage passwords with a password manager.