The operator’s
utility belt.

● Network

Subnet Calculator

Network, broadcast, host range, usable host count.

→ ● Network

CIDR Range Explorer

Expand CIDR blocks into range details and size.

→ ● Network

DNS Record Builder

Generate a complete starter DNS zone snippet.

→ ● Network

DNS Lookup

Live DNS resolution for A, AAAA, MX, TXT, NS and more.

→ ● Security

HTTP Header Analyser

Full security audit of HTTP response headers with A–F grade.

→ ● Security

VPN Leak Tester

Advanced VPN privacy diagnostics for DNS, WebRTC, IP exposure, and device signals.

→ ● Security

Password Generator

Create high-entropy passwords with custom options.

→ ● Security

Hash Generator

Generate SHA hashes for strings.

→ ● Security

HMAC Generator

Sign payloads using HMAC SHA algorithms.

→ ● Security

JWT Inspector

Decode token header/payload locally in browser.

→ ● Security

SSL/TLS Certificate Decoder

Decode PEM certificates to view subject, issuer, SANs, and fingerprints.

→ ● Security

TOTP Generator

Generate time-based one-time passwords from a base32 secret.

→ ● Ops

Unix Permission Calculator

Convert octal and symbolic rwx permissions.

→ ● Ops

Cron Helper

Validate and explain 5-field cron expressions.

→ ● Ops

Text Diff Checker

Compare config snippets line-by-line.

→ ● Ops

Byte Converter

Convert bytes across KB, MB, GB, and TB.

→ ● Ops

Epoch Converter

Convert unix timestamps to readable date/time.

→ ● Data

Base64 Tool

Encode and decode text quickly in-browser.

→ ● Data

JSON Formatter

Validate, format, and minify JSON payloads.

→ ● Data

URL Encoder / Decoder

Encode or decode query and path components.

→ ● Data

Regex Tester

Test expressions with flags and inspect groups.

→ ● Data

UUID Generator

Generate UUID v4 values in bulk.

→ ● Data

Markdown Previewer

Live Markdown preview with rendered HTML output.

→ ● Data

QR Code Generator

Generate QR codes for URLs, text, and WiFi configs.

→