Guide
QR Code Generator: Complete Guide to Creating QR Codes
How to create a QR code online: step-by-step instructions, data formats, size settings, and error correction.
7 min read - 2026-02-10
Ultimate Tools Blog
Articles, guides and tips for online tools
Use Cases
Sitemap: Use Cases for Different Website Types
How to configure a sitemap for blogs, online stores, news portals, and SaaS.
5 min read - 2026-02-10
Use Cases
Lorem Ipsum generator: when and where to use text-fish
Scenarios for using Lorem Ipsum in web design, printing, development and presentations.
5 min read - 2026-02-10
Tips
5 tips for working with number systems
Practical advice for programmers and students: how to quickly translate numbers, remember correspondences and avoid mistakes.
5 min read - 2026-02-10
Guide
Online Metronome: Complete Guide for Musicians
How to use an online metronome to develop a sense of rhythm. Setting tempo, time signature, and accents.
6 min read - 2026-02-10
Tips
6 Tips for Buying Shoes Online
How to get the right size when ordering shoes online. Practical recommendations and life hacks.
5 min read - 2026-02-10
Use Cases
Scenarios for using Diff Checker
Real scenarios: code review, debugging configurations, documenting changes.
5 min read - 2026-02-09
Guide
Test Data Generator: A Complete Guide
How to create realistic test data: users, addresses, transactions. JSON, CSV, SQL formats.
8 min read - 2026-02-09
Tips
7 Tips for Creating Pixel Art
Professional pixel graphics techniques: palette, dithering, animation, antialiasing.
6 min read - 2026-02-09
Guide
Checksum: Guide to File Hashing
What is a checksum, hashing algorithms MD5, SHA-1, SHA-256, and how to verify file integrity.
8 min read - 2026-02-09
Use Cases
Text to Speech: TTS Use Cases
When to use speech synthesis: accessibility, training, text review, podcasts.
5 min read - 2026-02-09
Guide
Power converter: watts, horsepower, BTU/h and kW
Power Units Guide. How to convert watts to horsepower and BTU/h, with formulas and examples.
6 min read - 2026-02-09
About this blog
Practical tutorials and deep guides for calculators, converters, generators and developer tools.