JKR Software Tools

Powerful, free online tools to troubleshoot, format, and analyze—no signup required.

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Choose from 20+ developer and network utilities.

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Paste IPs, JSON, text or URLs—whatever you need.

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See clean outputs, diagnostics, and recommendations.

Featured Tools

DNS Lookup

Resolve domains in seconds

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JSON Formatter

Format and validate JSON quickly

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UUID Generator

Generate unique IDs instantly

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Ping

Test server latency

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WHOIS Lookup

Domain owner information

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SSL Checker

Inspect certificate details

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Built for Speed, Not Ads

We don’t track you, we don’t sell your data, and we don’t drown you in banners.

Enterprise-Grade Accuracy: All our tools use real-time databases and secure APIs.

Always Free: No limits, no paywalls—ever.

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Explore more free tools:

WHOIS Lookup IP Geolocation