The Toolerax Blog
Practical guides and tips to get the most out of our tools — and the concepts behind them.
How Password Strength Is Measured
What entropy bits mean, why length beats symbols, how online and offline attacks differ by a factor of ten million, and why P@ssw0rd! fools no one.
Read articleWhat Is Schema Markup?
How JSON-LD structured data earns FAQ dropdowns, star ratings and product prices in search results, which schema types matter, and the rules Google enforces.
Read articleUnderstanding Cron Expressions
Read and write cron schedules with confidence: the five fields, special characters, @daily shortcuts, the day-of-week gotcha, and time-zone traps.
Read articleHow QR Codes Work
What QR codes actually store, static vs dynamic codes, error correction, why some codes won't scan, and how to make one that always works.
Read articleHow to Make CSS Gradients
Learn CSS gradient syntax the practical way: linear vs radial, angles, color stops, hard stops, and common mistakes — with copy-ready examples.
Read articleWhat Are Meta Tags (and Which Ones Matter)
A plain guide to the meta tags that matter: title, description, canonical, Open Graph and Twitter Cards — what each does and how to write them well.
Read articleHow to Choose a Color Palette
Complementary, analogous and triadic schemes explained, plus the 60-30-10 rule, tints and shades, and how to keep your palette accessible.
Read articleWhat Is the Average Reading Speed?
The average reading speed in words per minute, how it varies by age and material, why speed reading claims are misleading, and how to time a speech.
Read articleWhat Is Keyword Density?
What keyword density means, how to calculate it, why there is no magic percentage, what keyword stuffing looks like, and what to focus on instead.
Read articleRegular Expressions for Beginners
Learn regex from scratch: the core symbols, quantifiers, character classes, capture groups, greedy vs lazy matching, and the mistakes every beginner makes.
Read articleBMR vs TDEE: How Many Calories You Need
Understand BMR, TDEE and activity multipliers, how the Mifflin-St Jeor formula works, and how to set calorie targets to lose, maintain or gain weight.
Read articleHow Text Becomes Binary
How computers turn letters into bits: ASCII, why a byte is 8 bits, how UTF-8 handles every language and emoji, and why you sometimes see garbled characters.
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