Send & receive TCP, UDP, SSL. HTTP Requests. And Panel Generation.


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Full version. No ads. No bundles.




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Features

Packet Sender can send and receive UDP, TCP, and SSL on the ports of your choosing. It also has a built-in HTTP client for GET/POST requests and Panel Generation for the creation of complex control systems.

100% Free

Open source .
No Ads. No bundles.

Client/Server

Send & Receive.
UDP, TCP, or SSL.

ASCII or HEX and Macros

Any data can be defined.

Cross-platform

Windows, Mac, Linux.

Command Line

For automation / scripting

Packet Sender Cloud

Save. Share. Collaborate.

HTTP Client

Test POST/GET requests with auth headers.

Intense Traffic Generation

For stress-testing

Panel Generator

For building complex control systems

Common Uses

Packet Sender was designed to be very easy to use while still providing enough features for power users.

• Test automation

Using its command line tool or hotkeys

• Testing network APIs

Using the built-in UDP / TCP / SSL clients

• Malware analysis

using the built-in UDP / TCP / SSL servers

• Panel Generation

Create single-button panels that trigger a series of commands for control systems.

• Testing HTTP

Single-button GET/POST requests for control systems.

• Intense Traffic

Flood at a particular rate to stress-test devices

• Testing network connectivity/firewalls

by having 2 Packet Senders talk to each other

• Tech support

by sending customers a portable Packet Sender with pre-defined settings and packets

• Security research

Send SSL and then analyze the traffic log.

Screenshots

Windows
macOS
Linux Desktop (with Qt)
Command Line comes with all versions
More screenshots can be found in the documentation.

Download the full version. Free.

Packet Sender is open source. It will always be free.

Legal/Compliance

Support

Funding

Guides