Blog
Guides, tutorials, and tips to get the most out of your tools.
What Is Markdown? A Beginner's Guide with Cheat Sheet
Learn what Markdown is, why it powers READMEs and docs everywhere, and the complete syntax you need to get started.
2026-06-18How to Calculate a Percentage: Formulas and Examples
The three percentage formulas everyone needs, worked examples for discounts, tips, and percentage change, plus common mistakes.
2026-06-15The Pomodoro Technique: A Complete Guide to Focused Work
Learn how the Pomodoro Technique works, the science behind why it helps, and how to adapt it to your own workflow.
2026-06-12Meta Tags for SEO: The Complete Guide
Which meta tags actually matter for SEO and social sharing, the right lengths, and the tags you can safely ignore.
2026-06-09What Is Lorem Ipsum? The Story Behind Placeholder Text
The surprising history of lorem ipsum, why designers use it instead of real text, and when not to.
2026-06-06How to Resize an Image Without Losing Quality
Understand the difference between resizing and compressing, why upscaling looks blurry, and how to resize images privately in your browser.
2026-06-03Roman Numerals: Complete Chart and How to Read Them
A full Roman numeral chart, the rules for reading and writing them, and why there is no zero.
2026-05-31What Is a URL Slug? SEO Best Practices
Learn what a URL slug is, why it matters for SEO and users, and the rules for writing clean, effective slugs.
2026-05-29How to Convert CSV to JSON (and Back): A Practical Guide
A step-by-step guide to converting CSV files to JSON and JSON to CSV, with rules for headers, quoting, and nested data.
2026-05-28How Much Should You Tip? A Practical Country Guide
Tipping norms vary wildly by country and situation. Here is a clear guide to how much to tip and when.
2026-05-27What Is a UUID? Why Random IDs Power Modern Software
Understand what UUIDs are, how version 4 UUIDs are generated, why collisions practically never happen, and when to use them.
2026-05-25Aspect Ratios Explained: 16:9, 4:3, 1:1 and More
What aspect ratio means, the common ratios for video, photo, and social media, and how to resize without distortion.
2026-05-24Hexadecimal Explained: Why Programmers Count in Base 16
A clear introduction to hexadecimal: what it is, how to convert it to decimal and binary, and why it appears everywhere in computing.
2026-05-22CSS Box Shadow: Examples and Best Practices
Master the CSS box-shadow property: syntax, layering, inset shadows, and the values that make shadows look natural.
2026-05-21What Is a Hash Function? Checksums, Passwords, and Fingerprints
Learn what hash functions are, the difference between MD5, SHA-1 and SHA-256, and why hashing is not encryption.
2026-05-19How to Share Your WiFi with a QR Code
Stop reading passwords off the router. Learn how WiFi QR codes work and how to create one safely for guests.
2026-05-18camelCase vs snake_case vs kebab-case: Naming Conventions Explained
A guide to the common programming naming conventions, where each is used, and how to convert between them.
2026-05-16Morse Code: The Complete Alphabet and How It Works
Learn the full Morse code alphabet, the timing rules, the story behind SOS, and where Morse is still used today.
2026-05-15What Is a JWT? JSON Web Tokens Explained Simply
Understand what JSON Web Tokens are, how the three parts work, why the payload is readable, and what to store in one.
2026-05-13What Is a Favicon? Sizes and Best Practices
Learn what a favicon is, which sizes modern sites need, and how to create a full favicon set that works everywhere.
2026-05-12Understanding Cron Jobs: How to Read and Write Schedules
Learn how cron expressions work field by field, with examples, common patterns, and the timezone gotcha that causes outages.
2026-05-10HEX, RGB, and HSL: Understanding CSS Color Models
A practical guide to the three main web color formats, what each is good at, and how to convert between them.
2026-05-07URL Encoding Explained: Why %20 Appears in Your Links
Understand percent-encoding, which characters need it, the space-vs-plus confusion, and how to avoid double-encoding bugs.
2026-05-04How to Improve Your Typing Speed: A Practical Plan
Evidence-based tips to type faster and more accurately, what WPM numbers mean, and how to practice effectively.
2026-05-01How to Format JSON: A Complete Guide
Learn what JSON is, how to format and validate it, and why proper formatting matters for developers.
2026-04-10What is Base64 Encoding? A Simple Explanation
Learn what Base64 encoding is, how it works, and when to use it in web development and data transfer.
2026-04-09How to Create Strong Passwords in 2026
Learn how to create strong, secure passwords that protect your accounts. Tips on password length, complexity, and management.
2026-04-08How to Calculate BMI: Formula, Chart, and What It Means
Learn how to calculate your Body Mass Index (BMI), understand BMI categories, and know the limitations of BMI.
2026-04-07Regular Expressions (Regex) Explained for Beginners
A beginner-friendly guide to regular expressions. Learn regex syntax, common patterns, and how to test them.
2026-04-06QR Codes: What They Are, How They Work, and How to Create One
Everything you need to know about QR codes: how they work, common uses, and how to generate your own for free.
2026-04-05Unix Timestamps Explained: What They Are and How to Use Them
Understand Unix timestamps, epoch time, and how to convert between timestamps and human-readable dates.
2026-04-04CSS Gradients: A Complete Guide with Examples
Learn how to use CSS gradients: linear, radial, and conic gradients with practical code examples.
2026-04-03