Tool
🔍 Log Query Builder & Parser
🔐 Security Header Tester
⏱️ Cron Expression Visualizer
🔒 SSL Certificate Checker
📝 Advanced Regex Tester
🌐 DNS Propagation Checker
⚙️ Systemd Service Generator
All Tools
27 tools
CIDR Calculator
Subnet ranges, masks, host counts
Network
JWT Decoder
Decode & inspect JSON web tokens
Security
Base64 Encode/Decode
Encode or decode Base64 strings
Encoding
Cron Generator
Build and visualize cron expressions
System
Hash Generator
MD5, SHA-1, SHA-256, SHA-512
Security
Regex Tester
Test patterns with live highlighting
Dev
DNS Lookup
A, AAAA, MX, TXT, CNAME records
Network
SSH Key Generator
Generate RSA / Ed25519 keypairs
Security
Port Reference
Well-known ports and services DB
Network
Password Generator
Secure passwords with entropy score
Security
URL Encode/Decode
Percent-encode URLs and query strings
Encoding
Scripts Library
50+ Python scripts for sysadmins
Scripts
Color Converter
HEX ↔ RGB ↔ HSL conversion
Dev
JSON Formatter
Format, validate and minify JSON
Dev
IP Reputation
Check IP against threat databases
Security
SSL Checker
Inspect SSL certificates and expiry
Network
Timestamp Converter
Unix timestamps ↔ human-readable
System
Config Generator
nginx, apache, systemd configs
System
Subnet Converter
Convert between subnet mask formats
Network
MAC Vendor Lookup
Identify hardware vendor from MAC
Network
HTTP Status Lookup
Meanings for all HTTP status codes
Dev
Diff Checker
Compare two texts side by side
Dev
QR Code Generator
Generate QR codes from any text/URL
Misc
Command Reference
300+ Linux/Docker/K8s commands
System
Error Code DB
HTTP, exit codes, errno lookup
System
⚡ Advanced Tools — Feature-rich analysis tools
Log Query Builder
Parse and analyze server logs
Advanced
Security Header Tester
Audit HTTP security headers
Advanced
Cron Visualizer
Visualize cron schedule execution
Advanced
SSL Certificate Checker
Full TLS certificate analysis
Advanced
Advanced Regex Tester
Full regex engine with captures
Advanced
DNS Propagation
Check DNS across 12 global resolvers
Advanced
Systemd Generator
Build systemd service unit files
Advanced