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CORS Pre-Processor

JMeter plugin by Till Neunast

Processors
v1.1
2 releases
Repository

Active installs

98

+31%

Change this week

+23

from 75 last week

Weekly peak

199

week of Apr 27, 2026

Releases

2

Latest v1.1

About this plugin

CORS Pre-Processor makes preflight requests for cross-origin HTTP requests if required, based on request method and headers, and mimics a browser's preflight cache to avoid unnecessary requests.

Common questions

How do I install CORS Pre-Processor in JMeter?

Open JMeter's Plugins Manager (Options > Plugins Manager), find "CORS Pre-Processor" on the Available Plugins tab and click Apply Changes and Restart JMeter. From the command line, run "./PluginsManagerCMD.sh install tilln-cors-plugin" (or "PluginsManagerCMD.bat install tilln-cors-plugin" on Windows) in your JMeter bin directory. The plugin ID is tilln-cors-plugin.

What is the latest version of CORS Pre-Processor?

The latest version in the official JMeter Plugins repository is 1.1, out of 2 published releases.

What does CORS Pre-Processor depend on?

Version 1.1 depends on jmeter-core. The Plugins Manager installs these dependencies automatically.

Who develops CORS Pre-Processor?

CORS Pre-Processor is published by Till Neunast; documentation and source are at https://github.com/tilln/jmeter-cors-plugin.

How popular is CORS Pre-Processor?

It had 98 monthly active installations in the week of 2026-10-26, according to the usage statistics jmeter-plugins.org collects from the Plugins Manager (up 23 on the previous week).

Usage history

Weekly samples of monthly active installations

123 active installations in the week of Nov 3, 2025, 98 in the week of Oct 26, 2026.050100150200Nov 25Jan 26Mar 26May 26Jul 26Sep 26

Weekly install intensity

113 weeks of data
JanFebMarAprMayJunJulAugSepOctNovDec
2026
2025
2024
Less
(relative to this plugin)More
Source: jmeter-plugins.org usage statistics : monthly active installations reported by the Plugins Manager. Download counts aren't published by the repository.

Version adoption

93% of 295 reporting installations run the latest release, v1.1.

  • 1.1

    latest

    273 · 93%

  • 1.0

    22 · 7.5%

Source: jmeter-plugins.org version statistics. Versions not published in the repository are custom or renamed builds reported by their installations.

Release history (2)

  1. v1.1

    Latest
    JAR
    Bug fixes (#2)
    Depends on
    jmeter-core
  2. v1.0

    JAR

    No release notes.

    Depends on
    jmeter-core

Add a badge to your README

Maintain this plugin? Paste the badge into your README.md to link readers to this page. It shows the live active-install count and updates on its own.

README.md

CORS Pre-Processor

CORS Pre-Processor on Baseline11
[![CORS Pre-Processor on Baseline11](https://baseline11.com/plugins/tilln-cors-plugin/badge.svg)](https://baseline11.com/plugins/tilln-cors-plugin)

Install

$./PluginsManagerCMD.sh install tilln-cors-plugin
Run from your JMeter bin directory, then restart JMeter.

Details

Plugin ID
tilln-cors-plugin
Vendor
Till Neunast
Category
Processors
Latest version
v1.1
Requires
jmeter-core
Documentation

Component classes (1)

  • nz.co.breakpoint.jmeter.modifiers.CorsPreProcessor
    Marker

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