Free Tools for CCTV, Network & Finance

Professional tools for network engineers, CCTV installers, stock traders and investors — all free, no login required.

✓ No signup needed ✓ Free forever ✓ 16+ tools
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CCTV & Camera
4 tools
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Port Checker
Test if camera ports are open
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ONVIF Checker
Test camera ONVIF compatibility
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RTSP URL Builder
Generate RTSP stream URLs
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Subnet Calculator
IP range and CIDR calculator
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Network Tools
4 tools
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Ping Tool
Ping any host from our server
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DNS Lookup
Query DNS records for any domain
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SSL Checker
Check SSL certificate expiry
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IP Geolocation
Find location of any IP address
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Finance Calculators
4 tools
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SIP Calculator
Calculate SIP returns
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EMI Calculator
Loan EMI calculator
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CAGR Calculator
Compound annual growth rate
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MF NAV Finder
Mutual fund NAV lookup
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Trading Tools
4 tools
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Stock Symbol Finder
NSE BSE symbol + broker tokens
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NIFTY50 Weight
Live NIFTY50 weightage calculator
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F&O Ban List
NSE F&O ban list today
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Amazon API Tester
Test Creators API credentials
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All tools are free to use. Financial tools are for informational purposes only — not financial advice. Data sourced from NSE, BSE, Zerodha, and other public sources.