Use Cases
Decision Maker — Use Cases
Real examples of using the decision maker for purchases, career, travel, and everyday tasks.
7 min read - 2026-01-18
Ultimate Tools Blog
Articles, guides and tips for online tools
Guide
Palette generator: how to choose the perfect colors
A guide to creating color palettes: color theory, rules of harmony, selection tools.
8 min read - 2026-01-18
Guide
Image Filters: A Guide to Photo Processing
How to apply filters to photos: brightness, contrast, saturation, blur, sepia and other effects.
8 min read - 2026-01-18
Guide
Matrix Calculator Guide: All Operations
A complete guide to matrix operations: addition, multiplication, transposition, and finding the determinant.
7 min read - 2026-01-18
Guide
IP Address Validator: Guide to IPv4 and IPv6 Validation
How to check an IP address for correctness, differences between IPv4 and IPv6, subnets and masks.
7 min read - 2026-01-18
Guide
Find and Replace: Bulk text replacement online
A guide to finding and replacing text. Simple substitution and replacement with regular expressions.
6 min read - 2026-01-18
Guide
Body fat percentage: how to measure and norms by age
Methods for measuring fat percentage: caliper, bioimpedance, formulas. Standards for men and women by age groups.
8 min read - 2026-01-18
Guide
Cooking Measurement Converter: Complete Guide
How to correctly convert grams to cups, milliliters to tablespoons and other cooking units. Detailed guide with tables.
6 min read - 2026-01-18
Use Cases
Scenarios for using the HTTP status code directory
Practical scenarios: API debugging, setting up redirects, monitoring and SEO optimization.
5 min read - 2026-01-17
Guide
SVG Editor: A Guide to Vector Graphics
SVG basics: creating, editing and optimizing vector graphics online.
8 min read - 2026-01-17
Tips
Tips for working with MIME types
Practical tips: setting Content-Type, security, compression and caching by file type.
4 min read - 2026-01-16
Guide
Tailwind CSS Colors: Complete Palette Reference
All Tailwind CSS colors with shades 50-950. How to use color utilities in projects.
7 min read - 2026-01-15
About this blog
Practical tutorials and deep guides for calculators, converters, generators and developer tools.