Guide
Calorie calculator: how to calculate your daily intake
The Complete Guide to Calorie Calculation. Harris-Benedict and Mifflin-Saint-Geor formulas, activity coefficients.
8 min read - 2026-01-25
Ultimate Tools Blog
Articles, guides and tips for online tools
Guide
Tone Generator: Guide to Creating Audio Signals
How the online tone generator works, what frequencies and waveforms are available, and how to use them.
7 min read - 2026-01-25
Guide
Shoe Sizes: How to Determine Your Size in Any System
Guide to determining shoe size. EU, US, UK and Russian size charts, foot measurement tips.
7 min read - 2026-01-25
Use Cases
Scenarios for using CSS Grid in projects
Practical scenarios: page layouts, dashboards, galleries and responsive grids with CSS Grid.
5 min read - 2026-01-24
Tips
Tips for creating an effective README on GitHub
Practical tips: Markdown formatting, badges, SEO, structure and common mistakes.
5 min read - 2026-01-23
Guide
Discount calculator - how to calculate benefits
Guide to calculating discounts. Single, double discounts, markups and real savings.
5 min read - 2026-01-22
Tips
6 Tips for Working with Colors in Tailwind CSS
Practical tips for using the Tailwind color palette: themes, customization, accessibility.
5 min read - 2026-01-22
Tips
Tips for Writing Readable SQL Queries
SQL best practices: naming, formatting, comments, and query optimization.
6 min read - 2026-01-22
Use Cases
Base64 Encoding — Use Case Examples
Real-world Base64 use cases: from embedding images to JWT tokens and APIs.
7 min read - 2026-01-22
Tips
Tips for Team Formation
Life hacks for the team generator: how to create balanced groups and effectively distribute participants.
5 min read - 2026-01-22
Guide
Random Number Generator: User's Guide
How to generate random numbers: ranges, distributions, uniqueness and applications.
6 min read - 2026-01-22
Guide
Favicon generator: creating an icon for the site
A complete guide to creating a favicon: sizes, formats, connection to the site.
6 min read - 2026-01-22
About this blog
Practical tutorials and deep guides for calculators, converters, generators and developer tools.