Guide
Function Graph Plotter Guide
How to plot mathematical function graphs online: linear, quadratic, and trigonometric.
7 min read - 2026-01-30
Ultimate Tools Blog
Articles, guides and tips for online tools
Guide
Heading Checker: Guide to H1-H6 Structure
How to properly use H1-H6 headings for SEO and accessibility. Hierarchy validation.
6 min read - 2026-01-30
Guide
Sorting Strings: How to Organize Text Online
A guide to sorting lines of text. Alphabetical, numeric and reverse sorting.
5 min read - 2026-01-30
Guide
Volume converter: liters, gallons, cubic meters and other units
A complete guide to converting units of volume between metric and imperial systems.
6 min read - 2026-01-30
Guide
Ideal weight: calculation formulas and norm tables
How to calculate ideal weight using the Lorenz, Brock, Devin formulas. Comparison of methods and recommendations.
7 min read - 2026-01-30
Guide
Noise Generator: Guide to Noise Types and Settings
Detailed guide to the online noise generator. The difference between white, pink, and brown noise.
7 min read - 2026-01-30
Guide
Clothing Sizes: Complete Guide to Systems and Charts
How to understand clothing sizes from different countries. Size charts, measurement rules, and finding the perfect fit.
7 min read - 2026-01-30
Tips
Mental Math for Percentages — 5 Tricks
Estimate percentages quickly without a calculator using simple mental shortcuts.
4 min read - 2026-01-28
Guide
Date Difference Calculator: How to Count Days Between Dates
A guide to calculating the difference between two dates in days, weeks, months, and years.
6 min read - 2026-01-28
Use Cases
Scenarios for using the Cron generator
Practical scenarios for using Cron: backups, mailings, data cleaning, monitoring.
6 min read - 2026-01-28
Tips
URL Encoding Tips — Avoid Common Mistakes
Practical tips and common mistakes in URL encoding. How to properly encode parameters, paths, and queries.
5 min read - 2026-01-28
Use Cases
Wheel Spinner — Use Cases
Practical scenarios for using the wheel spinner: from prize drawings to choosing a restaurant for lunch.
6 min read - 2026-01-28
About this blog
Practical tutorials and deep guides for calculators, converters, generators and developer tools.