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Free Proxy & Networking Tools

Quick utilities for testing proxies, debugging scrapers, and checking what your browser actually reveals.

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IP Address Checker
See your current public IP, country, and ISP โ€” instantly.
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User Agent Lookup
See and decode your browser’s user-agent string.
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HTTP Headers Viewer
See every HTTP header your browser is sending right now.
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DNS Lookup
Query A, AAAA, MX, TXT, NS, and CNAME records for any domain.
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WebRTC Leak Test
Check whether your VPN or proxy is leaking your real IP through WebRTC.
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JSON Formatter
Paste JSON, get pretty-printed output. Also validates and reports errors.
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CIDR / Subnet Calculator
Expand any CIDR block, or turn an IP range into the blocks you need for a whitelist.
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robots.txt Tester
Check whether a URL is crawlable, and see exactly which rule decided it.
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