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.
User-Agent Parser is a new browser-based analyze tool on CodeKitLab — Identify browser, OS, rendering engine, and device from a User-Agent string — useful for log analysis.
Cookie Parser is a new browser-based analyze tool on CodeKitLab — Parse Cookie and Set-Cookie HTTP headers into readable name / value / attribute rows.
GraphQL Formatter is a new browser-based format tool on CodeKitLab — Format GraphQL queries, mutations, subscriptions, and SDL schemas — also one-click minify.
Markdown Table Generator is a new browser-based generate tool on CodeKitLab — Turn CSV or TSV into a clean Markdown table with optional alignment and live preview.
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.