- Character Analyzer
Paste text and see every character classified — case, digits, symbols, whitespace — with Unicode code points.
- Chmod Calculator
Unix permissions three ways — checkboxes, octal, and symbolic — kept in sync live, special bits included.
- Color Format Converter
Convert a color between hex, RGB, and HSL with a live swatch, and check WCAG 2.1 contrast against black and white.
- Cron Parser
Parse a Unix cron expression — validate it, see what each field means, and preview the next run times.
- curl Request Builder
Build a curl command from method, headers, auth, body, and options — assembled live with correct POSIX quoting and a copy button.
- IP / CIDR Calculator
Enter an IPv4 address, CIDR block, or IP + netmask — get the network, broadcast, host range, wildcard mask, and a colored binary breakdown.
- Nmap Command Builder
Toggle scan type, ports, detection, timing, and output — the nmap command assembles live, every flag explained, with privilege notes and a copy button.
- OpenVPN Inspector
Paste or open an .ovpn file (or a .crt/.pem) and see every certificate's expiry, details, and config security flags — entirely in your browser.
- Port Reference
A searchable table of well-known ports — filter by number, service, or purpose.
- Windows Task Builder
Fill in the blanks and get a complete schtasks /create command — schedule dropdowns, correct quoting, and a copy button. Plus a searchable Last Run Result code reference for tasks that fail.
- systemd Service Generator
Fill in the fields and get a complete systemd .service unit — [Unit]/[Service]/[Install] sections, restart policy, and the install commands.
- tcpdump Filter Builder
Assemble a tcpdump capture command and its BPF filter from protocol, host, port, and direction — with a flag reference and copy button.
- Text Codec
Encode and decode between plain text and Base64, URL-safe Base64, percent-encoding, or hex — live in both directions.
- Timestamp Converter
Convert between Unix epoch time and human dates — seconds or milliseconds auto-detected, UTC and local side by side.
- Windows Event ID Reference
A searchable reference for the Windows Event IDs that matter to defenders and admins — logon, account, Kerberos, process, service, task, PowerShell, and Sysmon events, with logon-type and failure-code tables and a ready-to-copy Get-WinEvent query for each.