LinuxTools.app — Free Linux & DevOps Tools

LinuxTools.app is a privacy-first collection of 31+ free online tools for Linux sysadmins, DevOps engineers, cloud architects, and developers. Every tool runs locally in the browser using client-side JavaScript — no sign-ups, no ads, and your data never leaves your machine.

Why LinuxTools.app

• Privacy-first: 100% client-side — no server round-trips, no tracking.
• Zero friction: No accounts, no ads, instant results.
• Persistent state: Forms remember your input across refreshes.
• Fast search: Press Cmd+K to search any tool, and pin favorites for quick access.

Linux Tools

• Chmod Calculator (symbolic ↔ numeric)
• Cron Expression Generator with next-run preview
• File Permission Converter
• SSH Key Setup & SSH Config Generator
• Nginx Config Generator (reverse proxy, SSL, redirects)
• Systemd Unit File Builder
• UFW / iptables Rule Generator
• Linux Command Cheat Sheets & Shell Script Library
• Vim / Nano Cheat Sheet
• Package Manager Comparison (apt vs yum vs dnf vs pacman vs apk)
• Disk Usage Visualizer, Process Explorer, Performance Analyzer
• Server Hardening Checklist

Cloud & DevOps Tools

• Subnet Calculator (CIDR, network & broadcast)
• Dockerfile Generator
• Kubernetes YAML Generator (deployments, services, ingress)
• Terraform Snippet Generator
• Cloud Cost Calculator (AWS, GCP, Azure)

Utilities

• Base64 Encoder/Decoder
• JSON / YAML / TOML Converter
• Regex Tester
• Git Command Builder
• SSL Certificate Checker
• UUID Generator (v1, v3, v4, v5)
• JSON to .env Converter
• JWT Encoder/Decoder
• Network Tools (DNS, WHOIS, port checker, reverse DNS)
• Password Generator (crypto-secure)

Built for engineers who need quick access to calculators, generators, and converters without the noise — from chmod to Kubernetes YAML, one place, zero friction.