Developer Blog
Tutorials, guides, and tips to help you work more efficiently with developer tools.
Base64 Encoding Explained: A Complete Guide for Developers
Learn how Base64 encoding works, its common use cases in web development, and how to encode/decode data in JavaScript, Python, and the command line.
Understanding Hash Functions: MD5, SHA-1, SHA-256 and Beyond
Compare popular hash algorithms, understand their security implications, and learn when to use each one with practical code examples.
CSS Color Formats Explained: HEX, RGB, HSL and More
Master CSS color formats including HEX, RGB, HSL, OKLCH, and modern color functions. Includes accessibility guidelines and conversion examples.
The Ultimate Markdown Cheatsheet for Developers
Complete Markdown reference with syntax examples for headings, lists, tables, code blocks, and GitHub Flavored Markdown extensions.
UUID vs Auto-Increment IDs: Which Should You Use?
Compare UUID versions, understand their pros and cons vs auto-increment IDs, and learn when to use each approach in your database design.
How to Calculate Loan Payments: A Complete Guide with Free Calculator
Learn the loan payment formula (PMT), understand amortization vs equal principal, compare mortgage terms, and calculate your monthly payments with our free calculator.
The Power of Compound Interest: How to Calculate Your Investment Growth
Understand the compound interest formula, the Rule of 72, compounding frequencies, and see real investment examples with our free calculator.
BMI Calculator: Understanding Your Body Mass Index and What It Means
Learn how to calculate BMI, understand WHO categories, healthy weight ranges, and BMI limitations. Free BMI calculator included.
10 Best JSON Formatters in 2026 — Online, Free, No Signup
Compare the 10 best free JSON formatters available online in 2026. Detailed reviews, pros/cons, feature comparison table, and FAQ.
The Ultimate Guide to Free Developer Tools in 2026
Comprehensive guide to the best free online developer tools in 2026. Covers encoders, formatters, generators, converters, and security tools every developer needs.
How to Format JSON: A Complete Guide for Developers
Learn how to format, validate, and debug JSON data. Covers common errors, best practices, and tools for working with JSON in any programming language.
JWT Tokens Explained: How JSON Web Tokens Work
Understand JWT structure, how header, payload, and signature work together, and when to use JSON Web Tokens for authentication and authorization.
Regular Expressions Cheat Sheet and Tutorial
Master regular expressions with this comprehensive guide. Covers syntax, common patterns, lookaheads, groups, and practical examples for everyday use.