Web & Internet Tools
Free online URL utilities, IP subnet calculators, DNS/WHOIS lookups, HTTP header analyzers, user agent parsers, QR codes, and barcodes. All tools run 100% in your browser with zero server uploads and instant processing.
DNS-over-HTTPS (DoH) Record Inspector
Resolve and inspect domain DNS records (A, AAAA, MX, TXT, CNAME, NS, SOA) directly from your browser using Cloudflare and Google DoH APIs
Custom QR Code Generator
Create custom QR codes for URLs, Wi-Fi, text, and vCards with instant SVG/PNG download
Barcode Generator (CODE128, EAN, UPC)
Generate standard scannable barcodes in CODE128, EAN-13, UPC, and CODE39 formats
UTM Campaign Link Builder
Build trackable Google Analytics UTM URLs for marketing campaigns and social media
MIME Type & File Extension Lookup
Look up MIME types, HTTP Content-Types, and file extension associations
QR Code Scanner & Camera Reader
Scan QR codes via live webcam, mobile camera, or uploaded image files instantly in-browser
URL Extractor & Web Link Finder
Extract HTTP/HTTPS web links and domains from text.
URL Encoder (Percent-Encoding)
Encode query parameters and URLs into percent-encoded format online
URL Decoder (Percent-Decoding)
Decode percent-encoded URLs and query parameters back to plain text
Free URL Shortener & Link Reducer
Shorten long URLs, clean tracking parameters, and generate QR codes
URL Component Parser & Query Inspector
Deconstruct URLs into protocol, host, path, port, hash, and query parameters
URL Tracking Parameter Cleaner & Sanitizer
Strip UTM tags, fbclid, gclid, and marketing telemetry from web links
Brandable Domain Name Generator
Generate creative, brandable domain name ideas with modern TLD extensions
IP Address Checker & Geolocation Inspector
Detect your public IP address, ISP, city, country, and subnet allocation
IPv4 Subnet & CIDR Calculator
Calculate network address, broadcast, usable host range, and netmask for CIDR prefixes
IPv6 Subnet & Address Compressor/Expander
Expand 128-bit IPv6 addresses, compress with RFC 5952, and compute prefix capacity
User Agent Parser & Client Deconstructor
Deconstruct browser User-Agent strings into browser, OS, engine, and device form factor
HTTP Security Header Analyzer & Auditor
Audit web response headers for CSP, HSTS, X-Frame-Options, and security compliance
HTTP Status Code Lookup & Developer Reference
Comprehensive guide to 1xx, 2xx, 3xx, 4xx, and 5xx HTTP response codes with RFC references
DNS Record Lookup (DNS-over-HTTPS)
Query authoritative DNS records (A, AAAA, CNAME, MX, TXT, NS, SOA) via RFC 8484 DoH
WHOIS & RDAP Domain Registry Lookup
Query domain ownership, registrar information, registration dates, and nameservers
SSL / TLS Certificate Checker & Security Inspector
Inspect SSL/TLS certificates, Certificate Authority (CA), expiration date, and SANs
Port Checker & Network Port Security Reference
Audit common network service ports, security risk exposures, and test endpoint reachability
Barcode Scanner & Image Matrix Reader
Scan and decode 1D and 2D barcodes from images, photos, and screenshots in-browser
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