Online Tools for Network, Server, SEO, AI and Developer Checks
A complete hub of practical online tools for IP, DNS, servers, SEO, developer utilities, AI workflows and security checks.
What Is My IPPublic IP, browser hints and privacy notes.Domain Health CheckDNS, WHOIS, SSL, mail, headers and availability audit.IP Geolocation LookupCountry, city, ASN, ISP and timezone clues.Subnet CalculatorCIDR, netmask, broadcast, binary, split planner and VLSM.DNS LookupA, AAAA, MX, TXT, NS, CNAME, SOA and CAA records.Reverse DNS LookupBatch PTR lookup for IP addresses.WHOIS LookupRegistrar, dates, nameservers, status and DNSSEC.Ping TestRepeated status and latency checks.Traceroute VisualizerParse hops, timeouts and latency from traceroute output.Port CheckerTCP port availability with service hints.Public IP vs Local IPPrivate ranges, NAT and routability explained.IPv4 / IPv6 ConverterIPv4 mapped IPv6, integer and hex conversion.HTTP Headers CheckerSecurity, cache and server response headers.Domain Health CheckDNS, WHOIS, SSL, mail, headers and availability audit.SSL Certificate CheckerIssuer, SAN, dates and HTTPS diagnostics.SSL Expiry MonitorRenewal urgency and days remaining.Website Status CheckerAvailability and repeated response timing.Uptime CheckerMulti-run availability check.Redirect Checker301, 302 and final URL chain review.Response Time CheckerServer response timing and key headers.Compression Checkergzip, Brotli and cache signals.HTTP Status Code ExplainerSearchable 1xx to 5xx status reference..htaccess Redirect GeneratorApache 301 snippets for HTTPS, www and URL moves.Meta Tags CheckerTitle, description, robots, H1 and canonical checks.Technical SEO Audit ToolCrawlability, metadata, schema, links and performance audit.Indexability CheckerStatus, robots, canonical and crawl signals.Robots.txt TesterCrawl rules, user agents and sitemap lines.Robots Meta CheckerNoindex, nofollow and X-Robots-Tag signals.Sitemap AnalyzerXML sitemap index, URLs and lastmod review.Canonical CheckerPreferred URL and duplicate signal audit.Hreflang CheckerLanguage alternates and x-default signals.Open Graph PreviewSocial sharing metadata and preview.Twitter Card PreviewX card metadata and fallback checks.Broken Link CheckerInternal link status sample.Internal Link CheckerAnchors, nofollow and same-domain links.Page Size CheckerHTML size and resource counts.Schema Markup ValidatorJSON-LD extraction and type checks.Meta Description GeneratorSnippet variants with character counts.Blog Outline GeneratorH1, H2, FAQ and search intent planning.FAQ GeneratorFAQ ideas and JSON-LD draft.JSON FormatterValidate, beautify, minify and inspect JSON.YAML ValidatorCommon YAML syntax and indentation warnings.XML FormatterFormat, minify and validate XML syntax.Base64 Encoder / DecoderUTF-8 and URL-safe Base64 helpers.URL Encoder / DecoderURL components, query parsing and decoding.JWT DecoderHeader, payload, dates and security reminders.UUID GeneratorGenerate and validate UUID v4 values.Hash GeneratorSHA hashes and checksum guidance.Timestamp ConverterEpoch seconds, milliseconds and date conversion.Cron Expression GeneratorBuild cron schedules and explain timing.Regex TesterTest matches, groups and replacements.Regex GeneratorBuild common regex patterns and test them.Color ConverterHEX, RGB, HSL and contrast ratio.AI Prompt GeneratorStructured prompts with role, context and output format.Prompt ImproverRewrite rough prompts into actionable instructions.AI Text CleanerImprove clarity and flow ethically.Blog Outline GeneratorSEO article structures and FAQ ideas.FAQ GeneratorQuestion ideas, answers and JSON-LD drafts.Meta Description GeneratorSearch snippet variants and counts.Code Comment GeneratorDocblocks and intent-focused comments.Changelog GeneratorRelease notes in Keep a Changelog style.Regex GeneratorGuided regex builder with examples.Password Strength CheckerLocal-only password quality review.Breach-Safe Email CheckerPrivacy-first email exposure checklist.Phishing URL ChecklistParse suspicious URLs and red flags.Security Headers CheckerHeader hardening review.CSP Header BuilderContent Security Policy generator.Firewall Rule HelperUFW, iptables, Nginx and Cloudflare rule drafts..htaccess Redirect GeneratorApache redirect snippets.Robots.txt GeneratorSafe crawl rule templates.Email DNS Health CheckerSPF, DMARC, DKIM and MX overview.
Online tools for technical work
PeopleAreGeek groups practical browser and server-backed tools for network troubleshooting, server administration, developer utilities, technical SEO, AI writing workflows and soft security checks. Each tool is designed to be useful first, with short explanations and related internal links for deeper checks.
How to use the hub
Start with the category hub closest to your problem, then move between related tools. For example, a website issue may need status, headers, redirects, SSL and DNS checks together.













