Security & Networking Tools
Free, privacy-first tools for developers, security professionals, and network engineers. All tools run in your browser - no data is sent to our servers.
Featured Tools
Password Generator
Generate strong, secure passwords instantly with customizable options.
UUID Generator
Generate unique UUIDs (v4) instantly for identifiers and tokens.
Subnet Calculator
Calculate network ranges, CIDR notation, and subnet parameters.
All Available Tools
JWT Decoder
Decode and inspect JSON Web Tokens securely with no data stored.
SSL Checker
Check the SSL certificate of any domain and get expiry details.
Hash Generator
Generate hashes (MD5, SHA1, SHA256, SHA512) from your input text.
Base64 Encoder/Decoder
Encode or decode text using Base64 encoding method.
DNS Lookup
Perform comprehensive DNS lookups including A, AAAA, MX, TXT records.
IP Lookup
Lookup details about an IP address including location and ISP.
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