Data hashing: MD5, SHA-256, SHA-512 — when and why
What hash functions are, how MD5, SHA-1, SHA-256, and SHA-512 work. Examples of use, algorithm comparisons, and an online hash generator.
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What hash functions are, how MD5, SHA-1, SHA-256, and SHA-512 work. Examples of use, algorithm comparisons, and an online hash generator.
How to resize an image without losing quality. PNG, JPEG, and WebP formats. Optimization for websites and social media. Free online tool.
JSON Schema: draft-07, 2020-12. Key terms: type, properties, required. Examples of user and API contract validation. Ajv, OpenAPI.
Check password strength online. Complexity criteria, cracking time, brute force. How to create a strong password. Free checking tool.
A complete guide to CSS units: px, rem, em, vw, and vh. When to use each, accessibility, responsive layouts, and the importance of the base font size.
Reading time calculator for text. Average reading speeds in Russian and formulas for calculating reading time. The optimal length for blog and SEO articles.
Sort text online: when sorting is needed, sorting types, and duplicate removal. Practical use cases for developers and content managers. Free tool.
A modular typography scale: ratios (minor third, perfect fourth, golden ratio), practical application, CSS variables, Tailwind integration, and responsive typography.
URL structure: protocol, domain, port, path, parameters, and hash. Parse URLs in JavaScript and Python. Online URL parser.
Everything about UUID v4: format, versions, and generation in JavaScript, Python, and SQL. When to use UUIDs instead of auto-incrementing IDs in databases.
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