Online Tools

Searchable reference of 77 common and lesser-documented Hyper-V errors with the cause and step-by-step resolution for each: hypervisor not running, 0x80070569, VMQ and SR-IOV networking, insufficient resources, vTPM and shielded...

Free find command generator. Search by name, type, size, age and run print, -ls, -delete or -exec, with a live command, per-flag explanation and a warning on destructive actions. Runs...

Free tar command generator. Pick the operation (create, extract, list, append) and compression (gzip, bzip2, xz, zstd), toggle options, and copy a working command with every flag explained. Runs entirely...

Searchable reference of well-known and common TCP/UDP ports. Look up any port 0-1023 plus the famous registered ports (MySQL 3306, RDP 3389, PostgreSQL 5432, Redis 6379, MongoDB 27017, WireGuard 51820)....

Free visual chmod calculator. Click read, write and execute for owner, group and other to get the octal value, symbolic rwx string and ready-to-run chmod command. Reverse from octal, setuid/setgid/sticky...

Stand up a working Capture-The-Flag homelab on Hyper-V: enable the role, create three trust-segmented virtual switches, build a Kali attacker, attach Metasploitable3, DVWA and a vulnerable Windows 10, plug in...

Stand up a working detection lab: install Wazuh manager + indexer + dashboard, plug in Suricata IDS, enroll Linux/Windows/macOS agents, ship logs through Filebeat, and triage MITRE-mapped alerts in Kibana...

Domain Health Check: DNS, WHOIS, SSL, HTTP, Robots and Sitemap AuditRun a complete domain health snapshot from one input: DNS records, WHOIS availability, SSL expiry, HTTP status, robots.txt sitemap discovery...

Technical SEO Audit Tool: Crawlability, Metadata, Schema, Links, Robots and Sitemap ChecksRun a compact technical SEO audit for a live URL. The tool combines server-side page extraction, robots.txt discovery, sitemap...

Cyber & Privacy Tools: Password, Phishing, CSP, Firewall and Security HelpersSoft security and privacy tools for account safety, phishing checks, CSP policies, firewall snippets and header reviews.Password Strength CheckerLocal-only password...