50 Software Engineering Utilities
50 Best Developer Tools
Formatters, Encoders, Validators, Converters, Security & Cryptography Utilities for Engineers
All Categories (3)
Formatters & Minifiers
Encoders & Decoders
Security & Cryptography
Text & String Tools
Generators
Converters
Documentation & Cheatsheets
Networking & Servers
IP Subnet & CIDR Calculator
Calculate IP address ranges, subnet masks, broadcast IPs, and total usable hosts from CIDR notation.
Interactive
Launch
Chmod & Linux Permissions Calculator
Calculate numeric (777, 755, 644) and symbolic (`rwxr-xr-x`) file permissions with checkboxes.
Interactive
Launch
Docker Compose to .env Extractor
Parse docker-compose.yml files and extract all declared environment variables into a `.env` template.
Interactive
Launch