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 run directly in your browser with no account, no signup, and no usage limits. Files and data processed in this category stay in client memory on your device.