Six free AI tools — writer, paraphraser, summarizer, titles, grammar, detector — and the AI-draft, human-finish workflow that makes them actually work.
Free AI Writing Tools: The Complete Workflow From Blank Page to Published Read Post »
The actual rules of Title Case, why big publications switched to sentence case, where each developer case belongs, and the one-click fix for any case disaster.
Text Case Guide: Title Case Rules, camelCase vs snake_case, and Caps Lock Fixes Read Post »
How Base64 works, data URIs and JWTs, why decoding fails, the URL-safe variant, and the one misconception that causes real security incidents.
Base64 Explained: What It Is, Where You Meet It, and Why It Is Not Security Read Post »
Why Monday to Friday is both 4 and 5 days, how visa day-counting really works, calendar vs working days, and the calculator that answers all of it instantly.
Days Between Dates: Deadline Math, the Off-by-One Trap, and Working Days Read Post »
Every percentage question is one of four patterns. Learn them, dodge the reversal and stacked-discount traps, and get live answers with the working shown.
Percentage Calculations Made Simple: The 4 Patterns and the Traps That Cost You Read Post »
What BMI actually measures, the WHO ranges, where the number misleads athletes and older adults, and how to use it as a smoke detector rather than a verdict.
BMI Explained: What Your Number Means, When It Lies, and How to Use It Read Post »
What each image format is actually for, the four conversions everyone needs, why browser-based converting beats upload sites, and quality settings that matter.
PNG vs JPG vs WebP vs HEIC: Which Format When — and How to Convert Free Read Post »
How Open Graph works, the 1200×630 image rule, Twitter cards, fixing stale previews, and the free generator that shows your card before you publish.
Open Graph Guide: Make Every Link You Share Look Professional Read Post »
What sitemaps fix (and what they cannot), the tags Google actually reads, hygiene rules, best generators compared, and the 60-second Search Console routine.
XML Sitemap Guide: Get Every Page Discovered, Crawled and Indexed Read Post »
How robots.txt works line by line, the typo that deindexes sites, whether to block GPTBot and friends, and the correct setup for WordPress in five minutes.
Robots.txt Guide: Control Crawlers, Block AI Bots, Avoid the Killer Slash Read Post »
Which meta tags matter in 2026, exact length rules for titles and descriptions, why Google rewrites yours, and the free generator with live SERP preview.
Meta Tags Guide: Write Titles and Descriptions That Win the Click Read Post »
What keyword density actually does in modern SEO, the realistic 0.5–2% range, why phrase analysis beats word counts, and the editing workflow that fixes stuffing.
Keyword Density in 2026: The Sweet Spot, the Myths and the Fix for Stuffing Read Post »
How keyword research works, why long-tails beat head terms for new sites, free vs paid tools compared, and a step-by-step workflow using live Google data.
Keyword Research Guide: Turn One Seed Keyword into 50 Post Ideas (Free) Read Post »
Why metric vs imperial still causes chaos, the conversions everyone needs, a $327M cautionary tale, and the fastest way to convert anything accurately.
Unit Conversion Guide: Length, Weight and Temperature Without Mistakes Read Post »
Why age math goes wrong, where a one-day error costs real opportunities, the best age calculators compared, and how to check eligibility for any cutoff date.
Age Calculator Guide: Get Your Exact Age in Years, Months and Days Read Post »
