Web & Network Tools
Tools for websites and networks: calculate subnets, check DNS records, decode JWTs and generate meta tags.
All tools in this category
Web
Chmod Calculator
Easily calculate Linux file permissions (chmod) in numeric and symbolic formats.
Web
DNS-over-HTTPS Lookup
Find the IP address behind a domain and query DNS records (A, AAAA, MX, TXT) securely over HTTPS.
Web
Flexbox Playground
Interactive guide to CSS Flexbox properties.
Web
JWT Decoder
Decode JSON Web Tokens (JWT) to view header, payload, and signature.
Web
Keycode Info
Shows information about pressed keys.
Web
Meta Tag Generator
Generate HTML SEO meta tags for your website.
Web
Subnet & CIDR Calculator
Calculate network boundaries, IP address ranges, netmasks, and usable hosts for IPv4.