Tools @ BarryCrowder.com

Some useful tools that I've written.

DNS and SSL

Network Tools

DNS lookups, Whois, SSL info, and more.

Network Tools
  • DNS Summary
  • Whois
  • Email Info
  • CNAME Info
  • SSL Info
  • Recursive DNS Lookup
Certificate Parser

Parse and decode SSL Certificates.

Certificate Parser

Parsers

JWT Parser

Parse and decode JSON Web Tokens (JWTs).

JWT Parser
Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings to plain text.

Base64 Encoder/Decoder

Browsers

WhatIsMyIP

See what your IP address is.

WhatIsMyIP
Browser Fingerprint

See what your browser is sharing about itself. Includes fingerprint and plugin list. Useful to see what your session looks like on the internet side of a proxy, VPN, etc.

Browser Fingerprint

Miscellaneous

IP Subnet Calculator

Calculate subnet network address, broadcast address, host range, wildcard mask, and more. Supports CIDR and dotted-decimal mask.

IP Subnet Calculator
QR Code Generator

Generate QR codes for text, URLs, contact information, and more. Text/URL encoding, multiple size options, error correction levels, instant download.

QR Code Generator