Network & Web
17 tools — free, private, runs in your browser
IPv4 subnet calculator, MAC address tools, IPv6 ULA generator, URL encoder/parser, HTTP status codes, QR code generator, and device info.
IPv4 Subnet Calculator
Calculate IPv4 subnets, network ranges, and available hosts.
IPv4 Address Converter
Convert IPv4 addresses between formats.
IPv4 Range Expander
Expand IPv4 address ranges into individual IPs.
MAC Address Lookup
Look up MAC address vendor information.
MAC Address Generator
Generate random MAC addresses.
IPv6 ULA Generator
Generate IPv6 Unique Local Addresses.
URL Encoder/Decoder
Encode and decode URL strings.
URL Parser
Parse and analyze URLs to extract components.
HTML Entities
Encode and decode HTML entities.
Device Information
View your browser and device information.
User Agent Parser
Parse and analyze user agent strings.
HTTP Status Codes
Reference for HTTP status codes and their meanings.
Slugify
Convert text to URL-friendly slugs.
QR Code Generator
Generate QR codes from text or URLs.
WiFi QR Code
Generate QR codes for WiFi network credentials.
Random Port Generator
Generate random port numbers for development.
Outlook Safelink Decoder
safelink-decoder - free, privacy-first, and 100% client-side.