Developer Tools

Visual guide to git rebase vs merge in 2026 with five concrete scenarios, branch diagrams before and after, exact commands and conflict resolution patterns plus interactive rebase decoded.

Twenty Python re patterns for everyday developer work in 2026: email, IPv4/IPv6, URL, phone, ISO 8601, UUID, CSV split, log lines, slugs and more. Each pattern with example, edge case...

Diagnose CORS failures by inspecting response headers, analyse preflight requirements and generate a ready-to-paste server config for nginx, Apache, Express, FastAPI or Django.

Curated fixes for the 8 most-searched developer errors: EACCES, ENOENT, EADDRINUSE, CORS, 502, ModuleNotFoundError, JSON parse and npm peer dep.

Generate valid Schema.org JSON-LD for the 11 rich-result types Google supports in 2026: Product, Article, FAQPage, HowTo, Recipe, Course, JobPosting, LocalBusiness, Event, Review and BreadcrumbList. Best-practice checks, copy script tag.

Design Open Graph and Twitter share-card images (1200x630 PNG) live in your browser. Six templates, Canvas preview, Facebook / LinkedIn / Twitter / Slack mockups, download as PNG. No upload.

Convert any JSON payload to TypeScript interfaces with inferred nested types, union arrays, optional fields, readonly support and JSON Schema export. Runs locally in your browser, no upload.

Convert commits and rough notes into categorized release notes with changelog markdown, SemVer checks, release summaries, migration notes and QA guidance.

Draft useful comments from code intent and constraints, analyze code-context signals, compare alternatives and keep comments focused on why, risk and maintenance.

Generate practical regex patterns with boundaries, flags, named captures, positive and negative tests, match previews and code snippets for common text tasks.