Tools by Christian G.

StakeMap 3D

Livev3.7Device

Interactive 3D stakeholder mindmaps

• Interactive 3D sphere view
• Categorize & color-code nodes
• Influence, interest & support scoring
• Power–interest grid & decision tool
• Export JSON, PNG, PDF & video
• 5 languages · autosave

SubnetCalc

Livev1.6Local

IPv4 & IPv6 subnet calculator

• IPv4 & IPv6
• Network, broadcast & host ranges
• Wildcard mask & binary breakdown
• Usable host counts
• CIDR quick reference
• Subnet plan generator

NetTool

Livev1.16Local

Ping, DNS, WHOIS & traceroute

• Ping via a public probe network
• Traceroute
• DNS lookup — A, AAAA, MX, TXT & more
• Reverse DNS / PTR
• WHOIS & RDAP for IPs and domains

DNS Inspector

Livev1.16Local

DNS record lookup & security audit

• A, AAAA, CNAME, MX, NS, TXT, CAA & SOA lookups
• SPF, DMARC, DKIM & CAA validation
• DNSSEC status checks
• Nameserver consistency across Google & Cloudflare DNS
• Clear pass / warn / fail security results

TLS Cert Inspector

Livev1.6Local

TLS certificate inspection & security audit

• Certificate: subject, issuer & validity
• Key type, size & signature algorithm
• Subject alternative names (SAN)
• TLS 1.3 → 1.0 support check
• Certificate transparency status
• Pass / warn / fail security warnings

HeaderInspector

Livev1.13Local

HTTP header inspection & security audit

• Status code, protocol & redirects
• All response headers incl. duplicates
• HSTS, CSP, X-Frame-Options & more
• Referrer, Permissions & cross-origin policies
• Cookie flag & cache checks
• Pass / warn / fail findings with recommendations

ColorPicker

Livev1.6Device

Developer color picker with full format conversion

• HEX, RGB, HSL, HSV, HWB & CMYK output
• CIELAB, LCH, OKLab & OKLCH support
• WCAG 2.2 contrast & APCA values
• CSS color names & nearest match
• Harmonies, shades, tints & mixes
• Tailwind, Swift & Android snippets

Port Inspector

Livev0.24Local

Scan all 65535 TCP ports of a host

• URL or IP address input
• All 65535 TCP ports scanned
• Live streaming results
• Service, purpose & risk level per port
• Only open ports are listed
• Links to third-party references

ASCII Converter

Livev0.16Device

Turn photos into ASCII art, right in the browser

• Upload a picture or paste an image URL
• Six character sets, from blocks to letters
• 20–240 characters per line
• Brightness, contrast, gamma & invert
• Monochrome or original colours
• Copy as text or download coloured HTML

PSKit

Livev1.6Device

Ready-to-run PowerShell scripts, generated in your browser

• Eight administration tasks, from listing files to planning backups
• Six loop styles, from foreach to ForEach-Object -Parallel
• Every script commented and explained line by line
• Destructive tasks default to a dry run with a typed confirmation
• Parameter blocks with validation and sensible defaults
• Copy or download the result as .ps1, .txt, Markdown, HTML or README.md
• A difficulty badge that follows your choices and climbs as the script grows
• Share your settings as a link, and choose PowerShell 5.1 or 7

PCAP Analyzer

Livev1.6Local

Upload packet captures & get a security analysis in your browser

• pcap, pcapng & cap files up to 50 MB
• Everything analyzed locally, nothing is uploaded
• Protocols, top talkers, conversations, ports & services
• DNS, HTTP & TLS overview with SNI
• Security findings: cleartext credentials, risky ports, scans & more

QR Generator

Livev1.0Local

Create QR codes for WiFi, contacts, transfers and more.

• 13 ready-made templates
• Export PNG, SVG & JPEG
• Copy image or content in one click

Password Generator

Livev1.0Local

Create strong, random passwords and see how long cracking them takes.

• Random passwords from 4 to 128 characters
• Crack-time transparency for 4 attack technologies
• Plain-language explanations, fully in your browser

Regex Generator

Livev1.0Local

Build, understand and test regular expressions — in your browser.

• Pattern builder with ready-made blocks
• Plain-language explanation of every element
• Live match highlighting with positions

Currency Converter

Livev1.0Local

Convert 30 currencies and 15 cryptocurrencies with live rates, charts and exports.

• Live ECB exchange rates & live crypto prices
• Multi-select from and to, fiat and crypto
• 30-day chart with a selectable trendline
• Export as CSV, JSON, Markdown, SVG & PNG

Structured Data Studio

Livev1.0Device

Format, validate & convert JSON, YAML and TOML in the browser.

• Format, minify & validate JSON, YAML and TOML
• Query with JSONPath, compare & explore a document tree
• Convert JSON ⇄ YAML ⇄ TOML, generate TypeScript & schemas
• Copy, download or load from a URL — nothing is uploaded

Timestamp Converter

Livev1.0Local

Convert Unix timestamps to and from any date, time zone and stardate.

• Unix timestamp ⇄ date, with automatic unit detection
• UTC, local time and any time zone with daylight saving
• ISO 8601, RFC 3339, RFC 2822, custom formats & stardates
• Copy any value or export as .txt, .csv and .json