All PeopleAreGeek tools and articles
Every published page on the site grouped by topic. 147 entries total, all free, no signup, ready to use in your browser. Pick a category below or scroll the whole catalog.
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Developer Utilities 33
Regex, JSON, base64, hashes, code review helpers, error fix hub.
Base64 Encoder and Decoder: Base64URL, Data URI, File and Byte InspectorEncode and decode Base64 locally, handle Base64URL and padding, inspect bytes, read small files, generate data URIs and review security notes.
chmod Calculator: Visual Linux Permissions Tool (Octal, Symbolic, rwx)Free visual chmod calculator. Click read, write and execute for owner, group and other to get the octal value, symbolic rwx string and ready-t…
Color Converter: HEX, RGB, HSL, Contrast Checker, Palette Builder and CSS TokensConvert colors between HEX, RGB, HSL, HSV and CMYK, check WCAG contrast, build palettes, save colors locally and copy CSS design tokens.
CORS Debugger 2026: Preflight Tester, Header Diagnostic and nginx/Apache/Express Config GeneratorDiagnose CORS failures by inspecting response headers, analyse preflight requirements and generate a ready-to-paste server config for nginx, A…
CORS Policy Generator: Headers + Nginx, Apache, Express, FastAPI, Django ConfigGenerate a secure CORS policy from presets or custom options and copy ready-to-paste configuration for 14 stacks: Nginx, Apache, Express, Node…
Cron Expression Generator: Builder, Explainer, Next Runs and Platform NotesBuild cron expressions, preview next run times, expand fields, compare five-field and six-field syntax, and review scheduler timezone pitfalls.
dd Command Generator: Write ISO to USB, Image Disks, Wipe DrivesFree dd command generator. Build commands to write an ISO to USB, image a disk, wipe a drive or create a test file, with block size, count, co…
Developer Error Fix Hub: EACCES, ENOENT, CORS, 502 and More 2026Curated fixes for the 8 most-searched developer errors: EACCES, ENOENT, EADDRINUSE, CORS, 502, ModuleNotFoundError, JSON parse and npm peer dep.
Developer Tools: Formatters, Encoders, Generators and Debugging UtilitiesDeveloper Tools: Formatters, Encoders, Generators and Debugging Utilities Developer utilities for JSON, XML, YAML, Base64, URLs, JWT, UUID, ha…
find Command Generator: Build Linux find Commands VisuallyFree find command generator. Search by name, type, size, age and run print, -ls, -delete or -exec, with a live command, per-flag explanation a…
Git Rebase vs Merge: When to Use Which (Visual Workflow Guide 2026)Visual guide to git rebase vs merge in 2026 with five concrete scenarios, branch diagrams before and after, exact commands and conflict resolu…
Hash Generator: MD5, SHA-256, SHA-512, File Checksums and HMACGenerate MD5 legacy checksums, SHA hashes, file digests and HMAC values locally, compare expected checksums and understand safe hashing use.
HTTP Status Code Explainer: Meanings, Fixes and Live URL CheckExplain HTTP status codes, review behavior and SEO implications, browse a practical reference table, or inspect a live URL response path from…
IPv4 and IPv6 Converter: Decimal, Hex, Binary, Expanded and PTR FormatsConvert IPv4 and IPv6 values between dotted, integer, hexadecimal, binary, expanded, compressed, mapped and reverse DNS hint formats.
JSON Formatter: Validate, Query, Compare and Inspect JSON LocallyFormat JSON locally, validate syntax, query nested values, explore paths, compare payloads, inspect structure and copy or download the output…
JSON to TypeScript Interface Converter: Infer Types, Optional Fields, Unions & JSON SchemaConvert any JSON payload to TypeScript interfaces with inferred nested types, union arrays, optional fields, readonly support and JSON Schema…
JWT Decoder: Inspect Header, Payload, Claims, Expiry and Signature RiskDecode JWTs locally, inspect header and payload, review exp, nbf, iat, issuer, audience, signature risk and verification steps before trusting…
Maximizing Website Speed with Image Optimization Techniques for 2026The 2026 image optimization playbook: AVIF and WebP with picture fallbacks, responsive srcset, lazy loading and LCP priority, compression tool…
OG Image Preview Studio: Design 1200×630 Open Graph Cards in Your BrowserDesign Open Graph and Twitter share-card images (1200×630 PNG) live in your browser. Six templates, Canvas preview, Facebook / LinkedIn /…
Python Regex Cheatsheet: 20 Essential Patterns Explained (2026)Twenty Python re patterns for everyday developer work in 2026: email, IPv4/IPv6, URL, phone, ISO 8601, UUID, CSV split, log lines, slugs and m…
Regex Tester: Matches, Named Groups, Replace Preview and Saved PatternsTest regular expressions locally, inspect matches and named groups, preview replacements, save patterns, copy snippets and review regex safety…
rsync Command Generator: Build Sync, Backup and SSH Transfer CommandsFree rsync command generator. Build local copies, backups and SSH push/pull transfers with archive, compress, delete, dry-run, exclude and pro…
Schema.org Wizard 2026: Product, FAQPage, HowTo, JobPosting, LocalBusiness JSON-LD GeneratorGenerate valid Schema.org JSON-LD for the 11 rich-result types Google supports in 2026: Product, Article, FAQPage, HowTo, Recipe, Course, JobP…
sed Command Generator: Build Substitute, Delete and Print CommandsFree sed command generator. Substitute text, delete lines, print a range or insert content with line addressing, global and ignore-case flags,…
SSH Tunnel Command Generator: Local, Remote and Dynamic ForwardingFree SSH tunnel generator. Build local (-L), remote (-R) and dynamic SOCKS (-D) port-forwarding commands with jump host, identity file and kee…
SSL Certificate Renewal Manager: certbot, acme.sh, lego, Caddy, cert-managerGenerate SSL/TLS renewal and auto-renewal commands for 8 ACME clients (certbot, acme.sh, lego, dehydrated, Caddy, cert-manager, win-acme, Posh…
systemd Service File Generator: Create .service and .timer UnitsFree systemd service file generator. Fill in ExecStart, Type, User, Restart and Environment to get a complete .service unit plus install comma…
tar Command Generator: Build Create, Extract and List CommandsFree tar command generator. Pick the operation (create, extract, list, append) and compression (gzip, bzip2, xz, zstd), toggle options, and co…
Timestamp Converter: Unix Time, ISO 8601, Timezones and Batch ConversionConvert Unix seconds, milliseconds, microseconds, nanoseconds and date strings into ISO, UTC, local time, timezone views and batch CSV.
URL Encoder and Decoder: Query Parser, Nested Redirects and Clean URL ToolEncode URL components, decode URLs, parse query parameters, detect tracking fields, inspect nested redirects and copy clean URLs for debugging.
UUID Generator: Create UUID v4 and v7, Validate, Batch Export and InspectGenerate UUID v4 and UUID v7 values locally, validate identifiers, inspect version and variant bits, export batches and understand collision r…
XML Formatter: Beautify, Minify, Validate and Inspect XML StructureFormat XML, validate parsing, inspect namespaces, attributes, element paths, duplicate IDs and profile checks for sitemaps, feeds, SOAP, SVG a…
YAML Validator: Validate Indentation, Duplicate Keys and Config StructureValidate practical YAML locally, review indentation, duplicate keys, lists, anchors, aliases, profile checks, JSON preview, path explorer and…
Cyber Security 13
WordPress audits, HTTP headers, TLS configuration, monitoring, AI patch assistant.
Bug Bounty Starter Guide for Sysadmins Coming from IT Ops (2026)Practical bug-bounty onboarding for sysadmins: skill transfer map, 2026 tooling stack (amass, nuclei, Burp, ffuf), picking your first program,…
Cyber Audit Suite for WordPress: All-in-One Security Scanner (2026)All-in-one WordPress cyber audit: 10 parallel checks (TLS, headers, version disclosure, xmlrpc, REST users, DNS, redirects), unified posture s…
Linux Kernel Hardening: Essential sysctl Checklist for 202632 sysctl toggles grouped by subsystem (network, kernel, filesystem, process / BPF / modules), ordered by impact, with a ready-to-drop /etc/sy…
NetSecAI: Cyber Audit Findings Interpreter with Chat-Style AI RecommendationsPaste audit JSON or scan a URL — NetSecAI groups findings by severity, explains each in plain English, generates the exact fix snippet, and…
Robots.txt AI Crawler Blocker: Stop GPTBot, ClaudeBot, Google-Extended, Perplexity & 17 Other AI BotsGenerate a robots.txt that blocks the AI crawlers used by ChatGPT, Claude, Gemini, Perplexity, Meta AI, Apple Intelligence and Common Crawl. E…
SecuChecker: Free WordPress Security Audit (Headers, SSL, Version Disclosure, Exposures)Free WordPress security scan covering 18 black-box indicators: HTTP security headers, SSL/TLS, version disclosure, xmlrpc.php, readme.html, wp…
Securing a Linux Ubuntu 24.04 Server: SysAdmin Hardening Checklist10-step hardening checklist for an Ubuntu 24.04 LTS VPS: SSH key-only on custom port, UFW, fail2ban, unattended-upgrades, AppArmor enforce, au…
SecurityWatch: Multi-Site Monitoring (Uptime, Defacement, TLS, Headers Regression) — Free, No BackendAdd the sites you care about to a watchlist and SecurityWatch runs a 5-point health check on each: uptime, page-content hash (defacement detec…
Setting Up Wazuh SIEM on a Budget: VM, Agents and Dashboard (2026)Three concrete hardware paths to run Wazuh single-node on under 100 EUR, under 200 EUR or under 10 EUR per month — Raspberry Pi 5, Intel N10…
Vaultwarden: Self-Host Your Own Bitwarden in 20 Minutes (2026)Step-by-step Vaultwarden quickstart for sysadmins: docker compose + Caddy with automatic TLS, first admin signup, disable open signups, point…
Web Application Security Audits 2026: A Practical Methodology for Modern StacksA 25-point audit checklist for modern web apps in 2026. Covers transport, application code, supply chain and secrets management across REST an…
WordPress Security Audit 2026: The 18 Checks That Block 90% of Automated AttacksA practical 90-minute hardening guide for WordPress in 2026. HTTP security headers, TLS hygiene, version disclosure, xmlrpc, REST user enumera…
WordPress Security Audit in 10 Steps: 2026 Practical GuideA practical 10-step checklist to audit the security of a WordPress site in 90 minutes. PHP/WP versions, plugin CVEs, HTTP headers, htaccess, S…
AI Tools 18
Token counting, cost calculators, prompt tools, hallucination risk, model comparisons.
AI API Compatibility Tester: Translate OpenAI Requests to Anthropic, Gemini, Mistral, Groq, Ollama (2026)Paste an OpenAI-format request body, see provider compatibility (7 providers, 10 features) and copy the equivalent code for Anthropic, Gemini,…
AI Cost Calculator: Monthly Bill for GPT-5.5, Claude Opus 4.8, Sonnet 4.6 and Gemini 3 (2026)Estimate the monthly and annual cost of running an AI feature on GPT-5.5, GPT-5 mini, Claude Opus 4.8 (standard + fast mode), Claude Sonnet 4….
AI Hallucination Risk Estimator: Score LLM Output Before You Ship ItPaste a Large Language Model response and the estimator scores how likely it contains hallucinated facts. 12 heuristics scan for unsupported c…
AI Prompt Generator: Build Clear Prompts, Output Rules and Review ChecksBuild a reusable AI prompt brief with task, audience, facts, constraints, output contract, variants, templates, review checks and a browser-lo…
AI Text Cleaner: Clean Drafts, Compare Paragraph Edits and Review ReadabilityClean rough text locally with paragraph comparisons, edit modes, filler reduction, reader checks, protected terms and responsible writing notes.
AI Tools: Prompt, Outline, FAQ, Meta Description and Writing HelpersAI Tools: Prompt, Outline, FAQ, Meta Description and Writing Helpers Practical AI workflow tools for writing better prompts, outlines, FAQs, m…
Build a Local AI Agent with Ollama + Qwen 2.5: Complete 2026 GuideComplete guide to running a local AI agent with Ollama and Qwen 2.5 in 2026: install on Windows / Linux / macOS, choose model by VRAM, Ollama…
Changelog Generator: Release Notes, SemVer Check and Keep a Changelog MarkdownConvert commits and rough notes into categorized release notes with changelog markdown, SemVer checks, release summaries, migration notes and…
ChatGPT vs Claude vs Gemini in 2026: Technical Comparison by Use CaseObjective technical comparison of GPT-5 turbo, Claude Opus 4.8 (now with fast mode and effort control) and Gemini 3.0 Pro across 10 use cases….
Code Comment Generator: Docblocks, Inline Notes, Review Comments and Maintenance GuidanceDraft useful comments from code intent and constraints, analyze code-context signals, compare alternatives and keep comments focused on why, r…
FAQ Generator: Build Questions, Answer Drafts, Content Gaps and JSON-LDCreate a focused FAQ from page intent and visible source text, import public page clues, review question roles, answer drafts, content gaps an…
How to Build Specialized AI Datasets (2026 Tutorial)Complete 2026 tutorial for building specialised AI fine-tuning datasets: schema, sourcing, cleaning, labelling, splits, tooling stack and a wo…
llms.txt Generator: Help ChatGPT, Claude, Perplexity and Gemini Read Your Site RightGenerate an llms.txt and llms-full.txt for your site. Curated Markdown index that helps AI agents (ChatGPT, Claude, Perplexity, Gemini) find t…
Meta Description Generator: Score Snippets, Preview SERP Copy and Import Page CluesDraft and score meta descriptions with page URL import, intent variants, character and approximate width checks, SERP preview and an editable…
Prompt Improver: Diagnose Weak Prompts, Rewrite Instructions and Add Review ChecksImprove a rough AI prompt with diagnosis, a clearer rewrite, instruction comparison, clarifying questions, rubric and a quick version.
Regex Generator: Build Patterns, Named Captures, Test Cases and Code SnippetsGenerate practical regex patterns with boundaries, flags, named captures, positive and negative tests, match previews and code snippets for co…
SEO Content Brief Generator: Search Intent, Outline Map, FAQ Draft and Editorial ChecklistBuild a technical SEO content brief with page intent, title and meta angles, section proof notes, FAQ schema draft, internal links and a publi…
Token Counter for GPT-5, Claude 4 & Gemini 3: Cost & Context EstimatorCount GPT-5.5, Claude Opus 4.7, Claude Sonnet 4.6 and Gemini 3 tokens for any text, project input/output cost per model, compare context-windo…
SEO Technique 5
Sitemaps, canonicals, meta tags, indexability, Core Web Vitals.
Core Web Vitals INP Checker: Field + Lab Data via PageSpeed InsightsTest any URL for the 2026 Core Web Vitals: INP, LCP, CLS, FCP, TTFB. Field data from Chrome User Experience Report plus Lighthouse lab. Mobile…
INP Optimization 2026: How to Fix Interaction to Next Paint on Mobile (with Case Study)A practical guide to the Core Web Vital that replaced FID. 12 INP killers, DevTools profiling, production case study from 480ms to 120ms, 12-p…
Mastering Google Core Web Vitals 2026: LCP, INP, CLS Complete GuideComplete 2026 guide to Largest Contentful Paint, Interaction to Next Paint and Cumulative Layout Shift. Measurement, optimisation playbooks pe…
Understanding Core Web Vitals 2026: Technical Guide with Code ExamplesTechnical guide on LCP, INP and CLS in 2026 with before/after code, interpreted Lighthouse captures and WordPress + Cloudflare-specific optimi…
Web Workers 2026: Optimizing Performance with Practical Patterns and INP ImpactPractical guide to Web Workers in 2026: heavy compute offload, streaming data, OffscreenCanvas, transferable objects, SharedArrayBuffer, Comli…
Network & IP 25
DNS, WHOIS, IP lookup, traceroute, ports, latency, CDN detection.
CDN Detector: Identify Cloudflare, Fastly, Akamai, CloudFront and 21 Other CDNs Behind Any URLDetect the CDN serving any URL: Cloudflare, Fastly, Akamai, Amazon CloudFront, Azure Front Door, BunnyCDN, KeyCDN, Vercel, Netlify, jsDelivr a…
Common Ports List: Searchable Well-Known TCP/UDP Port ReferenceSearchable reference of well-known and common TCP/UDP ports. Look up any port 0-1023 plus the famous registered ports (MySQL 3306, RDP 3389, P…
DNS Lookup Tool: Check A, AAAA, MX, TXT, NS and CAA RecordsCheck DNS records for a domain, including A, AAAA, MX, TXT, NS, SOA, CAA, SPF, DMARC hints, TTLs and resolver comparison for troubleshooting.
DNS over HTTPS Implementation Guide for Sysadmins (2026)Complete DNS over HTTPS implementation walkthrough for sysadmins — what DoH protects, picking a provider vs self-hosting, configuring Window…
DNS Propagation Checker: Compare Google, Cloudflare and Server-Side DNS AnswersCompare DNS records returned by Google Public DNS, Cloudflare 1.1.1.1 and the PeopleAreGeek server resolver in parallel. Detect propagation la…
Domain Health Check: DNS, WHOIS, SSL, HTTP, Robots and Sitemap AuditDomain Health Check: DNS, WHOIS, SSL, HTTP, Robots and Sitemap Audit Run a complete domain health snapshot from one input: DNS records, WHOIS…
HTTP Headers Checker: Security, Cache, Redirect and Response AuditCheck live HTTP response headers, security policy coverage, cache and compression clues, redirect path context, cookie flags and raw server si…
HTTP/3 and QUIC Checker: Test Alt-Svc, Detect h3 Support, See How to Enable ItProbe any HTTPS URL to find out if it supports HTTP/3 and QUIC. Parses alt-svc, identifies the server software (Cloudflare, Fastly, LiteSpeed,…
IP Geolocation Lookup: Country, City, ASN and ISP CheckLook up a public IP address or domain to check approximate country, city, ASN, ISP, time zone, network owner and geolocation accuracy limits.
IP Subnet Calculator: CIDR, Netmask, Broadcast, Binary and VLSM PlannerCalculate IPv4 subnets from a CIDR prefix or netmask, inspect network ID, broadcast, usable range, binary bits, membership, equal splits and V…
MikroTik vs Ubiquiti for Prosumer Home Networks (2026)Detailed 2026 comparison between MikroTik RouterOS 7 and Ubiquiti UniFi OS 4 for prosumer home networks: reference stacks under 400 EUR, CLI v…
netsh wlan Commands: Windows Wi-Fi Cheat Sheet (Show Password, Profiles, Hotspot)Searchable, copy-ready reference of 72 netsh wlan commands and variants for Windows: show a saved Wi-Fi password, list and forget profiles, ex…
Network Tools: IP, DNS, Subnet, WHOIS, Ports and TracerouteNetwork Tools: IP, DNS, Subnet, WHOIS, Ports and Traceroute Online network tools for IP addresses, DNS records, reverse DNS, subnet planning,…
pfSense vs OPNsense for Home Networks: Which to Pick in 2026Detailed 2026 comparison between pfSense Community Edition 2.7 and OPNsense 24.7: UI, release cadence, plugin ecosystem, performance on prosum…
Ping Test Tool: HTTP Latency, Response Time and Uptime CheckRun repeated HTTP ping checks for a URL, measure response time, status, success rate, average latency, jitter and availability diagnostics.
Port Checker Tool: Test TCP Reachability, Services and Exposure RiskCheck TCP ports for a host or public IP, use service profiles, read exposure notes, review common ports and copy a firewall troubleshooting re…
Public IP vs Local IP: NAT, Private Ranges and Port Forwarding HelperCompare a local or interface IP with a public-facing IP, classify IPv4 and IPv6 ranges, understand NAT and spot carrier-grade NAT clues for fi…
Redirect Checker: Redirect Chain, Variant and Canonical Flow AuditTrace redirect chains, compare HTTP and hostname variants, inspect migration URLs and review final canonical signals from one redirect audit.
Reverse DNS Lookup: PTR Record and Forward Match CheckRun a reverse DNS lookup for an IP address or hostname, inspect PTR records, check forward match consistency and understand mail server hygiene.
Self-Hosted VPN with WireGuard: Complete Setup Guide (2026)Stand up a self-hosted WireGuard VPN on a 5 EUR VPS: pick split vs full tunnel, generate Curve25519 keys, write the server and client configs,…
SSL Certificate Checker: Expiry, SAN Coverage, Issuer and HTTPS AuditCheck the TLS certificate served for a host, review expiry, issuer, subject, SAN coverage, expected hostnames and HTTPS context before renewal…
Traceroute Visualizer: Analyze Hops, Latency, Timeouts and Route OutputPaste traceroute or tracert output, parse hops, RTT samples, timeout patterns, IP context and latency jumps, then copy a readable route report.
Website Status Checker: HTTP Status, Availability and Response Path AuditRun repeated website status checks, compare final responses with first-response headers and redirect path, and build an availability report fo…
What Is My IP Address? IPv4, IPv6, ISP and Privacy CheckFind your public IP address, IPv4 and IPv6 visibility, ISP, ASN, approximate location and browser context with a practical privacy-focused net…
WHOIS Lookup Tool: Domain Registrar, Expiry, Status and DNS CheckLook up WHOIS data for a domain, parse registrar, expiry date, nameservers, status codes, DNSSEC, renewal risk and DNS context.
Server & SysAdmin 7
Ubuntu hardening, Nagios setup, SSL certificates, server monitoring.
Choosing a Linux Distribution for Your Team in 2026: A Decision FrameworkPractical decision framework for choosing a Linux distribution in 2026. Four real inputs (team skills, compliance, application stack, support…
Linux Distro Reference: Commands and Config Files Across 7 Distros (2026)Pick your Linux distro (Ubuntu, Debian, Fedora, Rocky, Arch, openSUSE, Alpine) and a topic (network, firewall, services, logs, packages, users…
Linux Firewall Comparison 2026: ufw vs firewalld vs nftables vs iptablesIn-depth comparison of the four Linux firewall tools in 2026: iptables, nftables, firewalld, ufw. Per-distro defaults, same rule in four synta…
Migrating from CentOS 7 / 8 to Rocky Linux 9 (or AlmaLinux 9): A Practical 2026 PlaybookPractical 2026 migration playbook from CentOS 7 or 8 to Rocky Linux 9 (or AlmaLinux 9). ELevate in-place path, fresh install path, pre-flight…
Network Configuration Across Linux Distros in 2026: netplan, NetworkManager, systemd-networkd ComparedDeep-dive comparison of Linux network stacks (netplan, ifupdown, NetworkManager, systemd-networkd, wicked) across Ubuntu, Debian, Fedora, Rock…
Server Monitoring with Nagios on Hyper-V: Step-by-Step Setup Guide (2026)Complete setup guide for Nagios Core on a Hyper-V Ubuntu 24.04 VM: provision the VM, install Nagios 4.5, configure HTTP / SSH / MySQL / disk p…
TLS Version Selector and Cipher Suite Generator for nginx, Apache, Caddy 2026Pick the right TLS versions and cipher suites for your server. Generates nginx, Apache, Caddy, HAProxy and IIS config based on security profil…
Email Security 7
SPF, DKIM, DMARC, breach checking, mail flow validation.
Breach-Safe Email Checker: Privacy-First Risk Review, Domain Signals and Incident PlanReview an email address safely without querying breach databases, inspect account risk, check mail-domain signals, create a local fingerprint…
DKIM Lookup Tool: Check DKIM Selector and Public Key RecordDKIM Lookup Tool: Check DKIM Selector and Public Key Record Lookup a DKIM record by selector and domain. DKIM records are stored as TXT record…
DMARC Record Checker: Policy, Alignment and Reporting AnalysisDMARC Record Checker: Policy, Alignment and Reporting Analysis Check the DMARC record of a domain and understand its policy, reporting configu…
Email & DNS Security Tools: SPF, DMARC, DKIM and Mail DiagnosticsEmail & DNS Security Tools: SPF, DMARC, DKIM and Mail Diagnostics Email DNS tools for checking SPF, DMARC, DKIM, MX records and account safety…
Email Auth Posture Checker: SPF, DKIM, DMARC and BIMI in One ScoreCheck SPF, DKIM, DMARC and BIMI records for any domain. Per-pillar parser, 12 common DKIM selectors probed, posture score and prioritised fix…
Email DNS Health Checker: MX, SPF, DMARC and Mail Security AuditEmail DNS Health Checker: MX, SPF, DMARC and Mail Security Audit Run a combined email DNS health check for a domain. This tool checks MX recor…
SPF Record Checker: Analyze SPF TXT Records, Includes and PolicySPF Record Checker: Analyze SPF TXT Records, Includes and Policy Check the SPF record of a domain and understand which servers are allowed to…
Online Utilities 39
General-purpose tools that do not fit a more specific category.
.htaccess Redirect Generator: Apache and Nginx Rules for HTTPS, WWW and URL MigrationsGenerate Apache .htaccess and Nginx redirect rules for HTTPS, canonical host cleanup, trailing slashes, index files and URL moves.
Broken Link Checker: Status Sample, Redirect Hops, Source Anchors and CSV Fix ListScan one public page for broken or redirected links, inspect source anchors and checked destinations, choose internal or mixed scope, and copy…
Build a CTF Lab on Hyper-V: Full Walkthrough (2026 Edition)Stand up a working Capture-The-Flag homelab on Hyper-V: enable the role, create three trust-segmented virtual switches, build a Kali attacker,…
Build a SOC Homelab: Wazuh + Suricata + Elastic Stack (2026 Walkthrough)Stand up a working detection lab: install Wazuh manager + indexer + dashboard, plug in Suricata IDS, enroll Linux/Windows/macOS agents, ship l…
Canonical Tag Checker: Target Status, Noindex Signals, Redirects and URL VariantsCheck declared canonical URLs, target status and robots signals, redirect paths, self-canonical intent and common URL variants from one live a…
CSP Header Builder: Content Security Policy Generator, Importer and Rollout ChecklistBuild, import and review Content Security Policy headers with warnings, report-only mode, server snippets and deployment guidance.
Cyber & Privacy Tools: Password, Phishing, CSP, Firewall and Security HelpersCyber & Privacy Tools: Password, Phishing, CSP, Firewall and Security Helpers Soft security and privacy tools for account safety, phishing che…
Firewall Rule Helper: UFW, iptables, nftables, firewalld, Nginx and Cloudflare DraftsGenerate defensive firewall rule drafts, validate CIDR ranges, review port exposure, copy rollback notes and compare UFW, iptables, nftables,…
Fix: ESXi Host Not Responding / Disconnected in vCenter (2026)An ESXi host shows Not Responding in vCenter. Fix it in order: confirm the host is up, restart hostd and vpxa, free a full log partition, chec…
Gzip and Brotli Compression Checker: Encoding, Vary and Cache AuditCheck Gzip and Brotli response signals, compare available HEAD and GET headers, inspect Vary, cache and redirects, and judge compression with…
Hreflang Checker: Return Links, x-default, Codes and Canonical Alignment AuditAudit HTML hreflang alternates, validate locale codes, review x-default and self-reference, compare canonical signals and sample reciprocal re…
Hyper-V Error Codes: Searchable Fix Reference (Cause + Resolution)Searchable reference of 77 common and lesser-documented Hyper-V errors with the cause and step-by-step resolution for each: hypervisor not run…
Hyper-V PowerShell Generator: New-VM, Virtual Switches, CheckpointsGenerate PowerShell to create Hyper-V VMs, build External/Internal/Private virtual switches and manage checkpoints. New-VM, Set-VM, Set-VMFirm…
Hyper-V: The Hypervisor Is Not Running — Complete Fix Guide (2026)Fix the virtual machine could not be started because the hypervisor is not running in five ordered gates: BIOS virtualization, Hyper-V feature…
Indexability Checker: Status, Robots.txt, Noindex, Canonical, Sitemap and Crawl SignalsIndexability Checker: Status, Robots.txt, Noindex, Canonical, Sitemap and Crawl Signals Check whether a live URL looks indexable by combining…
Internal Link Checker: Anchor Audit, Unique Destinations, Status Sample and CSV ReportExtract page links and anchors, review internal destinations, nofollow and vague anchors, sample statuses and redirect hops, and copy a CSV re…
Meta Tags Checker: Title, Description, Robots, Canonical and SERP Draft ReviewAudit live metadata, robots and canonical signals, compare headings and social fields, then workshop title and description drafts with a pract…
Online Tools for Network, Server, SEO, AI and Developer ChecksOnline Tools for Network, Server, SEO, AI and Developer Checks A complete hub of practical online tools for IP, DNS, servers, SEO, developer u…
Open Graph Preview: Social Card Audit, Image Check and Twitter FallbacksPreview Open Graph and Twitter or X social cards, inspect fallback fields, check selected image dimensions and keep a share-readiness action p…
Page Size Checker: HTML Weight, Resource Inventory, Third-Party Mix and Performance ActionsMeasure fetched HTML bytes, inventory referenced scripts, stylesheets, images and embeds, review third-party origins, markup signals and page…
Password Strength Checker: Local Entropy, Weak Pattern Detection and Security ChecklistCheck password strength locally, estimate entropy and crack time, detect weak patterns, generate passphrases and review account security actions.
Phishing URL Checklist: Parse Suspicious Links, Decode Redirects and Review Risk SignalsAnalyze a suspicious URL locally, inspect hostname and root-domain clues, decode parameters, score visible phishing signals and copy safe next…
Robots Meta Checker: Noindex, X-Robots-Tag, Snippet Controls and Header AuditCheck robots meta tags and X-Robots-Tag headers, compare crawler-specific directives, review noindex and snippet controls, and audit header-on…
Robots.txt Generator: Templates, Live Compare, Sitemap Lines and Path TesterGenerate robots.txt rules, test crawl decisions, compare with the live robots file, review warnings and copy a safe crawl-rule draft.
Robots.txt Tester: Crawler Rules, Winning Path Match and Sitemap AuditFetch a live robots.txt file, test crawler paths, inspect selected user-agent groups and winning rules, and review declared sitemap files from…
Schema Markup Validator: JSON-LD Graph, Types, Property Coverage and SEO WarningsExtract JSON-LD from a URL or pasted markup, inspect typed graph nodes, review common schema property coverage, format blocks and keep a struc…
SEO Tools: Technical SEO, Indexability, Metadata and Schema ChecksSEO Tools: Technical SEO, Indexability, Metadata and Schema Checks Technical SEO tools for metadata, robots, sitemaps, canonical tags, social…
Server & Admin Tools: HTTP, SSL, Redirect, Compression and Uptime ChecksServer & Admin Tools: HTTP, SSL, Redirect, Compression and Uptime Checks Tools for checking website status, SSL, redirects, HTTP headers, comp…
Server Response Time Checker: Average, Median, Slow Edge and Latency StabilityMeasure repeated backend HTTP response samples, compare average and median latency, inspect slow outliers, read warmup behavior, status consis…
Sitemap Analyzer: XML Index, URL Status Sample and Discovery AuditAnalyze an XML sitemap index or URL sitemap, sample child files, inspect submitted URL hygiene, and status-check selected sitemap URLs from on…
SSL Expiry Monitor: Multi-Domain Renewal Watchlist and Certificate DatesCheck several SSL certificates in one watchlist, sort by days remaining, choose a renewal threshold, save hosts locally and copy a renewal rep…
Technical SEO Audit Tool: Crawlability, Metadata, Schema, Links, Robots and Sitemap ChecksTechnical SEO Audit Tool: Crawlability, Metadata, Schema, Links, Robots and Sitemap Checks Run a compact technical SEO audit for a live URL. T…
Twitter Card Preview: X Metadata, Fallback Sources and Image Readiness CheckAudit Twitter or X card fields, compare Open Graph and SEO fallbacks, preview summary and large layouts, check selected image readiness and ke…
Uptime Checker: Availability Runs, Latency Stability and Downtime BudgetRun repeated uptime checks, choose an availability policy, read status and latency stability, and convert uptime targets into downtime budgets…
VMware ESXi Error Reference: Searchable Fix Database (PSOD, APD, vMotion)Searchable reference of 70 common VMware vSphere and ESXi errors with the cause and step-by-step resolution for each: PSOD, APD and PDL storag…
VMware ESXi Purple Screen of Death (PSOD): Diagnose and Recover (2026)Decode an ESXi PSOD: read the exception type and backtrace, identify driver vs hardware vs heap causes, capture the coredump, recover the host…
VMware PowerCLI Command Generator: VM, Snapshots, Networking, esxcliGenerate VMware PowerCLI scripts to create and manage vSphere VMs, take snapshots, configure ESXi virtual switches and VMkernel adapters, and…
VMware Workstation and Hyper-V on the Same Machine (2026 Fix)Resolve the VMware Device/Credential Guard not compatible error two ways: keep Hyper-V and upgrade to VMware Workstation 16+ on the Windows Hy…
WordPress Security Hardening Checklist: 34 Scored Controls with Copy-Paste FixesAn interactive, scored WordPress security hardening checklist: 34 controls across seven layers (WAF, HTTPS and headers, login, updates, files…
