TOOLS

Privacy & Network Tools

Free tools to understand your connection and browser β€” zero logs, zero tracking.

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What LLM Can I Run?

Instantly see which local AI models your computer can handle β€” GPU, RAM and WebGPU checked right in your browser.

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Internet Speed Test

Measure your real download & upload speed via the nearest Cloudflare edge. No Flash, no app.

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Port Scanner

Check if any TCP port is open on your public IP. Custom port input + 12 common ports. Instant.

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Browser Fingerprint

See how uniquely identifiable your browser is to trackers β€” 18 signals, 100% client-side.

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Browser Info

See your browser, OS, engine, screen, hardware, and user agent β€” all in one place.

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WebRTC Leak Test

Check if your real IP is exposed through WebRTC β€” the most common VPN bypass vulnerability.

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DNS Leak Test

Find out if your DNS queries are encrypted or visible to your ISP and network administrator.

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SSL Certificate Checker

Check any domain's SSL certificate: expiry date, issuer, HSTS, redirect, and security grade (A+ to F).

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Security Headers Checker

Scan any site's HTTP security headers (HSTS, CSP, X-Frame-Options) and get an instant A+ to F grade with fixes.

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DNS Lookup

Check A, AAAA, MX, TXT, NS and CNAME records for any domain.

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HTTP Headers

See the exact request headers your browser sends to sites.

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Subnet Calculator

Network, broadcast, host range, netmask and wildcard from CIDR.

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AI Agent Readiness Checker

Test any site for agentic browsing readiness β€” llms.txt, AI crawler access, structured data and WebMCP.

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IP Blacklist Check

See if your IP is on email blacklists (DNSBLs) that can block your outgoing mail.

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14 tools Β· zero logs Β· 100% private

Privacy & Network Tools β€” Speed Test, Browser Info, Port Scanner & More | whatsmy.fyi