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Kraken - The Load Testing IDE

Kraken by OctoPerf is a load testing IDE. As such, it lets you develop, debug, execute and analyze load tests.

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Upload HAR
Gatling Script
Run Gatling Simulation
Debug Entry
Request Response Diff
Grafana Report 1
Grafana Report 2

Kraken heavily relies on Docker. For its own architecture but also to run load testing tools. Currently, the only integrated load testing engine is Gatling, but Kraken is able to run any application that can fit in one (or several) Docker container(s).

Kraken also includes InfluxDB and Grafana to store and display test results.


A demo version of Kraken is available at


Do NOT store sensitive data on this demonstration environment as it is not fault proof and reinitialized periodically.


Kraken Docker version is free of use and open source:

Kraken Kubernetes version allows you to run load tests on several hosts at the same time, thus simulating more concurrent users.


During the beta:

  • The free license lets you run tasks on two machines,
  • Licenses with more injectors are given for free, please contact if you need one.

Download and Install

Kraken can be downloaded from our download page and installed on Linux or on a Kubernetes Cluster.

Features Summary

Once installed, Kraken comes with two frontend applications:


Kraken supports Gatling's script import, debug and execution:

Kraken Gatling


Kraken's administration UI is a generic file editor.

Kraken Administration