📝 Blog
Practical guides, tips, and tutorials to help you work smarter.
How to Create a Strong Password in 2026
Learn the best practices for creating secure passwords that protect your accounts from hackers. Includes tips on length, complexity, and password managers.
BMI vs Body Fat Percentage: Which Health Metric Matters More?
Compare BMI and body fat percentage as health indicators. Learn the limitations of BMI and when body fat percentage gives a more accurate picture.
Compound Interest Explained Simply: How Your Money Grows
Understand compound interest in plain English. Learn the formula, see real examples, and discover how time and rate affect your savings and investments.
JSON Formatting Guide: Validate, Format & Debug Like a Pro
Complete guide to JSON formatting, validation, and debugging. Learn common JSON errors, best practices, and tools to work with JSON data efficiently.
10 Creative Uses for QR Codes Beyond Just URLs
Discover creative and practical ways to use QR codes: Wi-Fi sharing, contact cards, restaurant menus, event tickets, payments, and more.
Understanding Color Theory for Web Design: A Practical Guide
Learn color theory fundamentals for web design. Understand color harmony, contrast ratios, accessibility, and how to choose the perfect color palette.
The Ultimate Unit Conversion Cheat Sheet for 2026
Quick reference guide for the most common unit conversions: length, weight, temperature, volume, speed, and digital storage. Bookmark this page!
Regular Expressions for Beginners: Learn Regex in 10 Minutes
Learn the basics of regular expressions (regex) with practical examples. Master pattern matching for email validation, phone numbers, URLs, and more.
The Science of Sleep Cycles: How to Wake Up Feeling Refreshed
Learn how sleep cycles work, why you feel groggy some mornings, and how to time your sleep for maximum energy. Based on sleep science research.
Subnetting Made Simple: A Visual Guide to IP Subnets
Understand IP subnetting without the headache. Learn CIDR notation, subnet masks, network addressing, and how to calculate subnets step by step.
How to Compare Loan Offers Like a Pro
Learn to compare personal loans, mortgages, and auto loans using APR, total cost, and amortization. Free calculator included.
How to Double Your Typing Speed (Science-Backed Tips)
Practical techniques to improve typing speed from 40 to 80+ WPM. Touch typing fundamentals, daily practice routines, and common mistakes to avoid.
CSS Box Shadow: The Complete Design Guide
Master CSS box-shadow with practical examples. Subtle cards, neumorphism, layered shadows, glows, and performance tips for modern web design.
Calorie Counting for Beginners: A Simple Guide
Learn how to count calories effectively for weight loss, maintenance, or muscle gain. Includes TDEE calculation, macro basics, and practical meal planning tips.
JWT Tokens Explained: What Every Developer Should Know
Understand JSON Web Tokens from the ground up. Structure, signing, validation, security best practices, and common pitfalls in authentication.
Markdown Cheat Sheet: The Complete Reference
Master Markdown syntax with this comprehensive cheat sheet. Headings, lists, links, images, tables, code blocks, and advanced formatting tips.
Frequently Asked Questions
What topics does the ToolSpark blog cover?
We cover how-to guides, tips & tricks, comparisons, and explainers related to our tools - including web development, finance, health, design, networking, and productivity.
How often is new content published?
We publish new articles regularly, covering practical topics that help you get the most out of our free tools.
Can I suggest a blog topic?
Absolutely! We love hearing from our users. Visit our Contact page to suggest topics you would like us to cover.