lrzsz for Windows

Product summary

lrzsz is a free Windows program that simplifies sending and receiving files over serial links. It provides a compact, easy-to-use interface so users can move data reliably across modem-style transfer protocols without needing advanced configuration.

Supported transfer protocols

YModem — handles batch transfers and larger files efficiently, useful when moving multiple items in one session.
ZModem — offers robust resume and error-recovery features for interrupted transfers.
XModem — a straightforward, widely compatible method for single-file transfers over simple serial connections.

Intended users

This utility suits both beginners who want a simple, no-frills tool and experienced technicians who require dependable serial communication. It’s particularly helpful for anyone who regularly manages file exchanges over COM ports or other serial interfaces.

Key advantages

Lightweight and focused: minimal interface with the essential features for fast setup and use.
Reliable transfers: protocols include error checking and interruption handling to reduce failed transfers.
Versatile applications: works across a variety of serial communication scenarios, from embedded device updates to legacy system maintenance.

Suggested alternative

scrcpy (free) — recommended for users who need a different approach to device connectivity, especially when working with Android devices and ADB-based workflows.

Technical

Title

lrzsz

Requirements

Windows

Language

No language has been specified.

Available languages

License

Free

Latest update

2025-12-29

Author

trzsz

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