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11 practical articles
Guides & tutorials
Practical explanations for the formats, formulas, and concepts behind the tools.
Converters 10 min read
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Understanding Currency Exchange Rates
How exchange rates work, why the rate you get differs from the mid-market rate, what moves currencies, and practical tips for travelers and online purchases.
02Image Compression Explained: Formats, Quality, and File SizeLearn how lossy and lossless compression work, when to use JPEG vs. PNG vs. WebP, how quality settings affect file size, and best practices for optimizing images on the web.Media 8 min read03How to Count Words in Any DocumentLearn why word count matters for SEO, academics, and social media. Discover how word counting algorithms work and tips for meeting targets.Text 5 min read04Understanding Base64 EncodingA deep dive into Base64 encoding — how the algorithm works, when to use it for data URIs and APIs, and why it's not encryption.Encoding 7 min read05JSON Formatting Best PracticesMaster JSON formatting with tips on indentation, common errors, validation techniques, and how JSON compares to YAML and XML.Developer 6 min read06Creating Strong Passwords in 2026Everything you need to know about password security — entropy, passphrases, password managers, and two-factor authentication.Security 8 min read07Regular Expressions for BeginnersLearn the fundamentals of regex patterns, from simple character matching to advanced lookaheads and capturing groups.Developer 9 min read08Understanding Color Spaces: HEX, RGB, HSLA complete breakdown of color formats used in web development, when to use each, and how to convert between them.Design 6 min read09The Complete Unit Conversion ReferenceEverything about converting between metric and imperial — length, weight, volume, temperature, and digital storage.Converters 10 min read
