Development
Crontab Generator & Decoder
Generate and decode cron expressions with visual builder, 40+ examples, and complete syntax reference.
Launch toolIT Tools
Professional utilities for network, security, and systems engineers
Networking
DNS Lookup
Query DNS records for any domain. Check A, AAAA, MX, TXT, CNAME, NS, SOA, and CAA records.
Launch toolSecurity
Hash Generator & Verifier
Generate and verify MD5, SHA-256, SHA-512, SHA-3, BLAKE2 hashes. Identify hash types and bulk process files.
Launch toolNetworking
IP Subnet Calculator
Calculate IPv4 and IPv6 subnets, network addresses, broadcast addresses, and host ranges.
Launch toolNetworking
My IP & Geolocation
Find your public IP address and geolocation instantly. See ISP, city, country on an interactive map.
Launch toolSecurity
Password Generator
Generate secure random passwords and passphrases with customizable options and strength analysis.
Launch toolSecurity
Password Strength Checker
Analyze password security with breach checking, crack time estimation, and improvement suggestions.
Launch toolDevelopment
SLA Calculator
Calculate SLA uptime, allowed downtime, incident impact, and cost of outages. Essential for SRE and DevOps.
Launch toolSecurity
SPF/DKIM/DMARC Tools
Generate and validate email authentication records. Perform full domain audits for email security.
Launch toolDevelopment
Base64 Encoder/Decoder
Encode and decode Base64 strings, files, and images. Generate Data URIs and decode JWT tokens.
Launch toolConversion
Binary Calculator
Perform binary arithmetic operations and convert between binary and decimal with explanations.
Launch toolConversion
Hexadecimal Calculator
Perform hexadecimal arithmetic and convert between hex, decimal, and binary.
Launch toolNetworking
Internet Speed Test
Measure your internet connection speed including download, upload, and ping latency.
Launch toolDevelopment
Unix Timestamp Converter
Convert Unix timestamps to dates and vice versa. Timezone support and code generation.
Launch toolNetworking
VLAN Calculator & Planner
Plan network segmentation with VLANs. Generate switch configs for Cisco, HP, Juniper, MikroTik.
Launch toolNetworking
WHOIS Lookup
Check domain registration details, expiration dates, registrar info, nameservers, and contacts.
Launch toolTroubleshooting
Windows Event Log Analyzer
Upload and analyze Windows Event Logs. Identify errors, security threats, and get solutions.
Launch tool