Free IT & Cloud Tools
Handy calculators for IT and infrastructure teams — free to use, no signup. Built by the engineers at SecureVault Consulting.
Uptime / SLA Downtime Calculator
Turn an uptime percentage into allowed downtime per day, month, and year.
Open toolCost of Downtime Calculator
Estimate what an outage really costs your business per hour and per year.
Open toolCron Expression Generator & Explainer
Build, decode, and preview cron schedules with the next run times.
Open toolSubnet / CIDR Calculator
Get the network, broadcast, host range, and mask for any IPv4 CIDR block.
Open toolCloud Cost Estimator — AWS vs Azure vs OCI
Compare a rough monthly compute + storage cost across AWS, Azure, and OCI.
Open toolDNS Lookup — Forward & Reverse
Look up A, AAAA, MX, TXT, NS, CNAME records or do a reverse (PTR) lookup.
Open toolWhat Is My IP Address?
Instantly see your public IP address.
Open toolJSON Formatter & Validator
Pretty-print, minify, and validate JSON.
Open toolBase64 Encode / Decode
Convert text to and from Base64 (UTF-8 safe).
Open toolURL Encoder / Decoder
Percent-encode or decode text for use in URLs.
Open toolSHA Hash Generator
Generate SHA-1, SHA-256 and SHA-512 hashes of any text.
Open toolUUID Generator
Generate one or many random v4 UUIDs.
Open toolStrong Password Generator
Generate secure random passwords with custom rules.
Open toolUnix Timestamp Converter
Convert between Unix/epoch time and human-readable dates.
Open tool