Developer tutorials for JSON, regex, cron, CSS, SEO, DevOps, PDF workflows, and AI-assisted coding — from the CodeKitLab team.
Thoughts, stories and ideas.
These cornerstone guides and high-intent tools deserve the most attention from readers and crawlers, so we surface them prominently on the blog homepage.
Learn why privacy-first browser tooling still matters when teams are moving faster with AI copilots, shared prompts, and sensitive production data.
JSON Diff is a new browser-based analyze tool on CodeKitLab — Compare two JSON documents by structure — added, removed, and changed keys at any depth.
SQL Minifier is a new browser-based minify tool on CodeKitLab — Strip comments and collapse whitespace in SQL queries while preserving string literals.
JavaScript Beautifier is a new browser-based format tool on CodeKitLab — Format minified JavaScript with clean indentation and line breaks — zero upload, zero tracking.
HTML Beautifier is a new browser-based format tool on CodeKitLab — Pretty-print minified HTML with configurable indentation — entirely in your browser.
See how PDF Editor fits into AI-native development loops, safer browser workflows, and faster team handoffs in 2026.
See how Unix Timestamp fits into AI-native development loops, safer browser workflows, and faster team handoffs in 2026.
See how Regex Tester fits into AI-native development loops, safer browser workflows, and faster team handoffs in 2026.
See how AI Regex Explainer fits into AI-native development loops, safer browser workflows, and faster team handoffs in 2026.
A look at what's planned for CodeKitLab in 2026 — new tools, AI features, and improvements driven by developer feedback.
An overview of every tool on CodeKitLab — organized by category — so you can find exactly what you need in seconds.
Convert code between Python, JavaScript, Go, Rust, and more using AI — plus other AI-powered developer tools that save hours of work.
Prevent secrets, build artifacts, and dependency folders from entering your repo — with an AI tool that creates the perfect .gitignore for your stack.
Spot differences between two versions of code, config files, or any text — with side-by-side highlighting that makes changes obvious.
Learn regex step by step — from matching literal text to lookaheads and capture groups — with a live tester to validate every pattern.
Stop opening Excel for basic math. Calculate percentages, convert units, and do number base conversions right in your browser.
From case conversion to word counting to string escaping — the text tools that save developers time every single day.
Cut through the noise — here are the HTTP status codes you'll encounter in real development, what they mean, and when to use each one.
Two reference tables every web developer needs: the complete ASCII chart and a searchable MIME type lookup — both available instantly.
Master the five-field cron syntax, understand common scheduling patterns, and build or validate cron expressions with visual tools.
Discover what information is tied to an IP address — geolocation, ISP, timezone, and more — and how developers use IP lookups in practice.