The MyWebUtils Blog
No fluff, just practical guides and honest explanations for the tools and technologies you use every day.
Why would you ever need to reverse text? From log analysis to name formatting, discover the practical side of this simple operation.
A deep dive into UUIDs. Learn why 128 bits of randomness changed the web, the difference between v1, v4, and v7, and how to scale without collisions.
Explore the fascinating world of symmetric text. Learn the logic behind palindromes, how they exist in DNA, and how to create your own masterful phrases.
Stop writing boilerplate. Learn how to convert API responses into clean TypeScript interfaces instantly for safer and faster development.
Discover why bold and italic text is the secret to stopping the scroll on LinkedIn. A complete guide to our new Post Formatter.
Don't let broken links waste your crawl budget. Learn how to audit your XML sitemap for redirects, 404s, and slow pages.
Learn JSON syntax rules, the 7 most common JSON errors, and how to validate and pretty-print any JSON string online. Free JSON validator and formatter included.
Learn how to slash your AI API bills and pack more context into GPT-4 and Claude using the token-efficient TOON format.
Learn how to split a restaurant bill fairly among friends — equal splits, custom amounts, tip, and tax. Plus a free bill split calculator.
Master your money with our investment planning guide. Learn how to use SIP, Lumpsum, and Retirement calculators to build long-term wealth.
Learn what an SSL certificate contains, how to decode PEM format, and what X.509 fields like Subject, Issuer, SANs, and validity dates mean.
Your data should stay on your machine. Learn how to use our client-side security suite to protect your digital identity.
Learn how to calculate running pace, convert between pace and speed, and find your target pace for 5K, 10K, half marathon, and full marathon.
Learn what Base64 encoding is, how the algorithm works, and when to use it — JWT tokens, data URIs, email attachments, and API auth.
Learn how to test REST APIs directly in your browser — HTTP methods, status codes, headers, request bodies, and common mistakes.
Learn the structure of a JSON Web Token — header, payload, and signature. Understand registered claims (sub, exp, iat) and JWT security best practices.
Discover why 'brain breaks' are essential for productivity and explore our suite of free, no-login browser games.
The definitive guide to mastering your documents. Learn how to convert, merge, split, edit, and secure PDFs with all 19 of our free online tools.