Markdown vs AsciiDoc vs reStructuredText - Which to Use?
Compare Markdown, AsciiDoc, reStructuredText, LaTeX, HTML, Textile, and Org-mode. Feature table, syntax examples, Pandoc conversion, and honest recommendations.
12 min Read →
Developer Articles & Guides
In-depth tutorials, best practices, and technical guides to help you work more effectively with web development tools and techniques.
URL Encoding Explained: Percent Encoding for Web Developers
Learn about URL encoding, percent encoding, and when to use encodeURI vs encodeURIComponent. Guide with examples for handling special characters.
16 min Read →
CSV Data Cleanup: Encoding, Delimiters, Validation & More
Fix CSV problems: encoding corruption, delimiters, quoting, Excel gotchas, duplicates, and large-file strategies with regex and SQL examples.
13 min Read →
Remove EXIF Data & Metadata - Photo Privacy Guide 2026
What metadata is hidden in your photos? GPS location, device info, timestamps. Learn to check and remove EXIF data before sharing. Includes free tools.
14 min Read →
How to Block AI Crawlers - Complete Guide 2026
Which AI bots are crawling your site, how to block them with robots.txt, meta tags, and server config, what actually works, and the legal landscape explained.
13 min Read →
Bank Statement Formats: OFX, MT940, QIF, CAMT.053, BAI2 Guide
OFX, QFX, MT940, CAMT.053, QIF, BAI2, NACHA — format comparisons, field breakdowns, and conversion for accounting software imports and financial transactions.
14 min Read →
Password Security: Strong Passwords and Modern Auth
How passwords get cracked, what makes them strong, password managers, bcrypt/argon2, 2FA options, passkeys, and breach checking with code examples.
12 min Read →
Text Encoding Guide: UTF-8, Unicode, Mojibake & Fixes
ASCII, Unicode, UTF-8/16/32, Latin-1, Shift-JIS, GB2312, BOM, and mojibake. Detect encoding, convert files, fix databases, and set HTTP headers correctly.
15 min Read →
JSON Validation: A Complete Developer's Guide
Learn JSON validation best practices, common errors, and how to validate JSON syntax. Complete guide with examples, debugging tips, and recommended tools.
17 min Read →
Color Theory for Web Design: RGB, HSL, Contrast
Color models (RGB, HSL, CMYK, HEX), color wheel harmony, WCAG contrast, CSS functions, dark mode, color blindness, palette building, and custom properties.
16 min Read →
CSS Minification Guide: Techniques, Build Tools, and Real Impact
CSS minification explained with before/after examples, Vite/Webpack/PostCSS configs, critical CSS extraction, PurgeCSS setup, and how to measure real impact.
14 min Read →
Hash Functions Explained: MD5, SHA-256, bcrypt for Developers
How hashing works, why MD5 is broken, SHA-256/SHA-512 compared, HMAC explained, bcrypt for passwords, and real JavaScript and Python code examples.
13 min Read →
Luhn Algorithm Explained: Credit Card Validation Step by Step
Luhn algorithm: step-by-step walkthrough, JavaScript/Python code, credit card structure (IIN/BIN), check digit generation, IMEI/NPI uses, and limitations.
12 min Read →
PDF Guide: Merge, Split, Compress & Convert PDFs Online
Complete guide to PDF files. Learn to merge, split, compress, convert, and extract pages from PDFs. Browser-based tools for privacy.
17 min Read →
QR Codes Explained: Complete Guide for Developers and Marketers
Learn how QR codes work, their structure, encoding types, and best practices. Create scannable codes for URLs, WiFi, vCards, and more with practical examples.
12 min Read →
GIF vs APNG vs WebP vs AVIF: Animated Image Formats Compared
GIF limitations, APNG advantages, animated WebP and AVIF compared. Browser support table, conversion workflows, optimization tips, and when to use each format.
13 min Read →
Markdown Cheat Sheet: Complete Syntax Reference for 2026
Markdown syntax: headings, emphasis, lists, links, images, code blocks, tables, task lists, GFM extensions, and rendering differences across platforms.
10 min Read →
Web Image Optimization: Formats, Compression & Tips
Learn how to optimize images for the web. Compare JPEG, PNG, WebP, AVIF formats. Reduce file sizes by 70% without losing quality. Complete guide with examples.
16 min Read →
Regular Expressions for Beginners: Complete Regex Tutorial
Learn regular expressions from scratch. Master pattern matching with practical examples for email validation, phone numbers, URLs, and text processing.
15 min Read →
Web Video Formats Guide: MP4, WebM, AVI, MKV, Codecs Explained
MP4, WebM, AVI, MKV, MOV compared. Codecs (H.264, H.265, VP9, AV1) explained. Browser support, FFmpeg WASM editing, conversion, and format selection guide.
17 min Read →
Unix Timestamp Guide: Epoch Time, Y2K38, and Date Handling
Unix timestamps explained: Y2K38 problem, conversions in JavaScript/Python/SQL/bash, timezone pitfalls, ISO 8601, seconds vs milliseconds, and database storage.
14 min Read →
Base64 Encoding Explained: How It Works and When to Use It
How Base64 works, the encoding table, image embedding, URL-safe variants, size math, and JS/Python/Node examples. A practical guide with no fluff.
12 min Read →
Document Format Conversion Guide: DOCX, PDF, ODT, EPUB
How DOCX, PDF, ODT, RTF, and EPUB actually work. Conversion gotchas, formatting loss, Pandoc workflows, LibreOffice headless, WASM converters, batch scripts.
16 min Read →
Text Manipulation for Developers: Essential Techniques and Tools
Regex patterns, case conversion, encoding, text diffing, slug generation, Unicode normalization, and CSV parsing. Examples in JavaScript, Python, and CLI.
16 min Read →
JSON vs XML vs YAML vs CSV vs TOML: Data Formats Compared
Side-by-side comparison of JSON, XML, YAML, CSV, and TOML with real examples, parsing libraries, schema validation, streaming, and when to pick each format.
17 min Read →
Audio File Formats Guide - MP3, WAV, FLAC, AAC Explained
Understand audio formats: MP3, WAV, FLAC, AAC, OGG. Learn lossy vs lossless, bitrates, metadata, and when to use each format. Practical guide for developers.
18 min Read →
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