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DevToolKit

Web Tools

14 tools

Web development utilities for URL parsing, meta tag generation, link validation, and web content analysis.

HTTP Basic Auth Generator

Generate RFC 7617 compliant HTTP Basic Authentication headers with full UTF-8 support.

CSS Inliner for HTML Emails

Inline CSS styles into your HTML instantly for perfect email client compatibility. Supports variables and preserves media queries.

Device & Browser Info

Comprehensive audit of your browser engine, hardware specs, GPU capabilities, and modern Web API support.

SafeLink & URL Protection Decoder

Decode Microsoft SafeLinks, Proofpoint, Barracuda, and Mimecast wrapped URLs with risk assessment and batch support.

Robots.txt Generator

Visual robots.txt builder with AI bot protection presets, crawl-delay config, and sitemap references.

URL, Email & Domain Validator

RFC-compliant validation with TLD verification, disposable email detection, IDN/Punycode support, and batch processing.

URL Slug Generator

Generate clean, URL-safe slugs with locale-aware transliteration for German, Turkish, Cyrillic, and Latin diacritics.

Phone Number Parser & Formatter

Parse and format phone numbers with E.164, international, and national formats plus type detection and validation.

URL Parser & Analyzer

Decompose any URL into protocol, hostname, port, path, query parameters, hash, and auth credentials using the native URL API.

HTTP Status Codes Reference

Complete list of HTTP status codes with detailed explanations, usage scenarios, and client-side code examples. 100% free and interactive.

Keycode & Event Inspector

Instantly get event.key, event.code, and legacy which values for any key press. Features modifier tracking, event history, and JSON export. 100% private.

Meta Tag Architect

Generate high-impact SEO meta tags and JSON-LD schemas instantly. Features real-time Google search previews, character length auditing, and robots directives. 100% private.

User-Agent & Client Inspector

Decode any User-Agent string instantly. Features support for modern Client Hints (UA-CH), rendering engine analysis, and AI bot/crawler identification. 100% private.

Open Graph Meta Generator

Generate Open Graph and Twitter Card meta tags with live social media card previews for Facebook, Twitter/X, LinkedIn, Discord, and WhatsApp.