Zend Optimizer for Windows

Name: Zend Optimizer
Author: Zend Technologies

Used Zend Optimizer for Windows?

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Editors’ Review

Download.com staffFebruary 26, 2026

Zend Optimizer is a free tool that accelerates PHP applications by running encoded files. It optimizes code execution for better performance.

Top Recommended Alternative

HTML To PHP Converter

Trial version

4.9

Pros
- Enhances running speed of PHP applications
- Runs files encoded by Zend Encoder
- Free application
Cons
- Not the highest performance option available
- No details on specific optimization techniques

Zend Optimizer for Windows

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Full Specifications

GENERAL

Release: August 29, 2007

Latest update: February 26, 2026

Version: 3.3.0

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows XP
Windows 2000
Windows 10
Windows NT

Additional Requirements

Supported PHP versions: 4.0.5 and above (4.0.4 in previous versions of the Zend Optimizer)
Supported operating systems: Linux glibc 2.1 / 2.2 (e.g. RedHat 6.x/7.x, Debian 2.2, SuSE 6.4 / 7.2, Mandrake 8.1, and others), Sparc Solaris 2.x, FreeBSD 3.4 / 4.0,
Windows(r) NT 4.0 / 2000 / XP, Mac OSX
Solaris i386, & OpenBSD are supported by the Zend Optimizer 1.2.0.
Supported Web Servers: Apache 1.3.x, IIS 4 and 5, Zeus (using FastCGI), CGI
See our Compatibility Table to review compatibility issues with other products.

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