Crontab Generator & Decoder
Generate and decode cron expressions with visual builder, 40+ examples, and complete syntax reference.
Launch toolProfessional utilities for network, security, and systems engineers
Generate and decode cron expressions with visual builder, 40+ examples, and complete syntax reference.
Launch toolQuery DNS records for any domain. Check A, AAAA, MX, TXT, CNAME, NS, SOA, and CAA records.
Launch toolGenerate and verify MD5, SHA-256, SHA-512, SHA-3, BLAKE2 hashes. Identify hash types and bulk process files.
Launch toolCalculate IPv4 and IPv6 subnets, network addresses, broadcast addresses, and host ranges.
Launch toolFind your public IP address and geolocation instantly. See ISP, city, country on an interactive map.
Launch toolGenerate secure random passwords and passphrases with customizable options and strength analysis.
Launch toolAnalyze password security with breach checking, crack time estimation, and improvement suggestions.
Launch toolCalculate SLA uptime, allowed downtime, incident impact, and cost of outages. Essential for SRE and DevOps.
Launch toolGenerate and validate email authentication records. Perform full domain audits for email security.
Launch toolEncode and decode Base64 strings, files, and images. Generate Data URIs and decode JWT tokens.
Launch toolPerform binary arithmetic operations and convert between binary and decimal with explanations.
Launch toolPerform hexadecimal arithmetic and convert between hex, decimal, and binary.
Launch toolMeasure your internet connection speed including download, upload, and ping latency.
Launch toolConvert Unix timestamps to dates and vice versa. Timezone support and code generation.
Launch toolPlan network segmentation with VLANs. Generate switch configs for Cisco, HP, Juniper, MikroTik.
Launch toolCheck domain registration details, expiration dates, registrar info, nameservers, and contacts.
Launch toolUpload and analyze Windows Event Logs. Identify errors, security threats, and get solutions.
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