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The TCP Optimizer is a free, easy Windows program that provides an intuitive interface for tuning and optimizing your Internet connection. There is no installation required, just download and run as administrator.
The program can aid both the novice and the advanced user in tweaking related TCP/IP parameters in Windows, making it easy to tune your system to the type of Internet connection used. The tool uses advanced algorithms, and the bandwidth*delay product to find the best TCP Window for your specific connection speed. It provides for easy tuning of all related TCP/IP parameters, such as MTU, RWIN, and even advanced ones like QoS and ToS/Diffserv prioritization. The program works with all current versions of Windows, and includes additional tools, such as testing average latency over multiple hosts, and finding the largest possible packet size (MTU)
Features
- No Installation Needed: Portable and lightweight—run it straight out of the box
- Smart Calculations: Uses advanced algorithms to determine the ideal TCP Window Size and optimize key metrics like MTU, RWIN, QoS, and ToS/DiffServ for better prioritization of data packets
- Customizable Tweaks: Perfect for both beginners and advanced users. Opt for easy automatic optimization or go full geek and manually tweak settings
- Latency Analysis: Calculate and compare round-trip latency across multiple servers to find the best configuration for your connection
- Advanced Tools Built-In: Test for the maximum packet size (MTU) your connection can handle or analyze latency performance across multiple hosts
- Universal Compatibility: Works seamlessly on all modern Windows versions, from XP to Windows 11. Yes, even that ancient laptop sitting in your drawer can benefit
- For All Speeds: While it’s particularly optimized for broadband, it works wonders on connections of all types, from dial-up to Gigabit+ speeds
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Network ConfigurationUser Reviews
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best utility for network configuration