Guide
Week Number: How to Determine the Week of the Year by Date
A guide to determining the week number. ISO 8601 standard, numbering, and week start day.
6 min read - 2026-02-12
Ultimate Tools Blog
Articles, guides and tips for online tools
Guide
Formatting SQL Queries - Guide
The Complete Guide to SQL Formatting: Indentation, Style, Keywords, and Query Readability.
7 min read - 2026-02-12
Guide
Decision Maker — User Guide
How to use the decision maker for weighted choices between options, considering criteria and priorities.
7 min read - 2026-02-12
Guide
CSS Gradient Generator: A Guide for Designers
How to create a beautiful CSS gradient: linear, radial, conical. Customize colors, angles and positions.
7 min read - 2026-02-12
Tips
5 Tips for Creating an Effective Favicon
How to make a favicon recognizable: simplicity, contrast, testing on small sizes.
4 min read - 2026-02-12
Tips
Tips for Effective Graph Plotting
How to properly set the scale, choose the function type, and analyze graphs.
5 min read - 2026-02-12
Tips
5 Tips for Generating Test Data
Practical recommendations: realism, edge cases, localization, and automation.
5 min read - 2026-02-12
Use Cases
Register Converter: 6 Application Scenarios
Practical scenarios for using a register converter: development, design, copywriting, data processing.
5 min read - 2026-02-12
Guide
Energy Converter: Joules, Calories, Kilowatt Hours and BTU
Energy Unit Conversion Guide. How to convert between joules, calories, kWh and BTU.
7 min read - 2026-02-12
Tips
7 Tips to Stay Hydrated
How to train yourself to drink enough water. Lifehacks, reminders and useful habits.
5 min read - 2026-02-12
Tips
6 Tips for Working with IP Addresses and Subnets
Practical recommendations for subnet calculation, avoiding mistakes, and optimal address space planning.
5 min read - 2026-02-12
Tips
6 Tips for Managing Your To-Do List
Practical techniques to turn a chaotic to-do list into a productivity system.
5 min read - 2026-02-12
About this blog
Practical tutorials and deep guides for calculators, converters, generators and developer tools.