The Dev Tools
Developer Blog
Tutorials, best practices, and deep dives on encoding, security, text processing, and web development.
21 articles
CSV Format: A Developer's Complete Guide
The CSV spec, common pitfalls, converting to JSON, and when to choose CSV over other formats.
CSS Gradients: linear-gradient, radial-gradient & conic-gradient Explained
Master all three CSS gradient types with syntax breakdowns, browser support notes, and practical examples.
UUID v4, ULID, and NanoID: Choosing the Right Unique Identifier
Compare UUID, ULID, and NanoID — their trade-offs, structure, and which to use in different situations.
JSONL and NDJSON: The Complete Developer Guide
What JSON Lines is, when to use it over a JSON array, and why it's the format of choice for ML and log pipelines.
Number Systems for Developers: Binary, Hex, and Octal
A practical guide to binary, octal, decimal, and hexadecimal — how they work and where developers encounter them.
Git Workflow Strategies: GitFlow, GitHub Flow, and Trunk-Based Development
Compare popular Git workflow strategies and learn best practices for branching, merging, and team collaboration.
HTTP Status Codes Complete Reference Guide
Comprehensive guide to HTTP status codes from 1xx to 5xx. Learn what each status code means and when to use them.
CSS Units Guide: px, rem, em, vh, vw and When to Use Each
Complete guide to CSS units and when to use each for responsive, accessible design.
Unicode and Character Encoding: UTF-8, UTF-16, and ASCII Explained
Understand Unicode and character encoding for handling international text, emojis, and special characters correctly.
Data Serialization Formats: JSON vs XML vs YAML vs Protocol Buffers
Compare popular data serialization formats and learn when to use each one with practical examples.
API Testing Best Practices for Modern Development
Comprehensive guide to API testing including REST, authentication, error handling, and automated testing strategies.
Markdown Syntax Complete Guide for Developers
Master Markdown formatting for documentation, README files, and technical writing with practical examples.
Regular Expressions (Regex) Patterns Guide for Developers
Master regex patterns with practical examples for email validation, URL parsing, and text processing.
Color Picker Tools for Modern Web Design
Master color selection for web design with HEX, RGB, HSL formats and accessibility standards.
Hash Algorithms Guide: MD5, SHA-1, SHA-256 and Beyond
Comprehensive guide to cryptographic hash functions and their security implications in modern development.
Base64 Encoding: A Complete Developer Guide
Learn everything about Base64 encoding, from basic concepts to advanced use cases in web development and API communication.
JSON Formatting and Validation Best Practices
Master JSON handling with our comprehensive guide covering formatting, validation, and common pitfalls to avoid.
JWT Token Debugging and Security Analysis
Learn how to decode, validate, and debug JWT tokens effectively while understanding security implications.
URL Encoding: When and How to Use It
A practical guide to URL encoding, covering when to use it, common mistakes, and best practices for web development.
Advanced String Manipulation Techniques
Explore powerful string manipulation techniques including case conversion, text comparison, and pattern matching.
Timestamp Conversion Methods Across Programming Languages
Compare timestamp conversion methods across different programming languages and frameworks.