Free Web Development Tools
Free online web tools: CSS minifier, HTML encoder, meta tag generator, SEO analyzer, and more. Essential tools for web developers and SEO professionals.
URL Encoder/Decoder
Free online URL encoder/decoder - encode or decode URL components for safe web usage
CSS Minifier
Free online CSS minifier - minify your CSS code to reduce file size and improve load times
HTML Entity Encoder
Free online HTML entity encoder - encode or decode HTML entities to prevent XSS and display issues
Meta Tag Generator
Free online meta tag generator - generate SEO meta tags, Open Graph, and Twitter Card markup for your website
SEO Analyzer
Free online SEO analyzer - analyze any website's SEO score and get actionable improvement tips
SVG Optimizer
Free online SVG optimizer - paste SVG code and get a minified, optimized version instantly
JavaScript Minifier
Free online javascript minifier - minify JavaScript code to reduce file size and improve load times
IP Address Lookup
Free online IP address lookup - find your public IP address and basic network information
Favicon Generator
Free online favicon generator - generate favicons from text, emoji, or uploaded images in all required sizes
Robots.txt Generator
Free online robots.txt generator - generate robots.txt files to control search engine crawler access
Open Graph Preview
Free online open graph preview - preview how your page looks when shared on social media platforms
DNS Lookup
Free online DNS lookup - query DNS records (A, MX, TXT, CNAME, NS)
SSL Certificate Checker
Free online SSL certificate checker - check SSL certificate details and expiration
Website Speed Test
Free online website speed test - analyze page load performance metrics
Broken Link Checker
Free online broken link checker - find broken links on web pages
Redirect Chain Checker
Free online redirect chain checker - trace HTTP redirect chains and hops
HTTP Headers Checker
Free online HTTP headers checker - view HTTP response headers for any URL
URL Safety Checker
Free online URL safety checker - scan URLs for malware, phishing, and security threats
JSON-LD Generator
Generate Schema.org JSON-LD structured data for SEO - 17 schema types with validation
Hreflang Tag Generator
Generate hreflang tags for multilingual SEO - HTML, HTTP headers, and XML sitemap formats
About Web Tools
All web tools on ToolBox are completely free and run entirely in your browser. Your data never leaves your device - there are no server uploads, no accounts required, and no usage limits. Whether you're a developer, designer, student, or professional, these tools are built to save you time.