Free utilities · Open source · Built for ops
Tools that respect your time
Sysadmin & developer tools, utilities, and open projects. Networking, security, Windows diagnostics, and downloads. No noise, no tracking on these pages beyond your own analytics configuration.
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Image Flipper
Flip images horizontally or vertically in seconds.
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PuTTY Backup
Backup and restore PuTTY sessions with PowerShell and portable tools.
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IP Calculator
Calculate subnet, CIDR, usable range, and network details.
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Password Generator
Generate secure passwords with practical rules for IT workflows.
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IIS Log Compressor
Go utility to compress IIS logs into monthly archives.
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Interface Metric Selector
Windows GUI app to view and set IPv4 interface metrics.
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Kartoshka YouTube Downloader
Modern GUI downloader with backend reliability and format controls.
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K-Network Diagnostics
Desktop diagnostics suite with ping, DNS, traceroute, and more.
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K-Lock Professional
Identify locking processes for files/folders and release when needed.
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Latest Articles
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VPN: What It Protects, What It Doesn't
A practical VPN guide in simple language: what it protects, what it does not protect, and how to choose a provider safely.
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Desktop YouTube Downloader Guide for Windows
A practical guide to choosing quality/format and running stable desktop downloads with Kartoshka.
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How to Prioritize Ethernet Over Wi-Fi in Windows 10/11
Set deterministic network path preference by adjusting interface metrics and adapter priority correctly.
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Windows Network Troubleshooting Checklist (Ping, DNS, Traceroute)
A fast first-response checklist for diagnosing endpoint connectivity issues using K-Network Diagnostics.
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