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With over 50 available extensions, the k6 extension ecosystem has many options to meet your requirements and help you incorporate new protocol access, embed a particular client, or improve your test performance. Extensions are developed both by the k6 developers and by the open-source developer community.

Use the table to explore the many extensions. Questions? Feel free to join the discussion about extensions in the k6 Community Forum.

Messaging

AMQP plugin, tested with RabbitMQ

Data

xk6-ansible-vault

Encrypt and decrypt Ansible Vault

Messaging
Data

Work with messages using Avro data format

Messaging

Test Action Cable and AnyCable functionality

Misc

Enable vendoring remote HTTP modules to a single source-control-friendly file

Messaging

Generate load on Celery workers

Observability

xk6-client-prometheus-remote

Test Prometheus Remote Write performance

Observability

xk6-client-tracing

Client for load testing distributed tracing backends

Authentication

Get a cognito access token using USER_SRP_AUTH flow

Data

Load-test Couchbase no-SQL databases

Misc

Use extended crypto functions

Data

Parse CSV values

Reporting
Observability

Create a web-based metrics dashboard

Data

Query Datadog metrics

Chaos Engineering
Kubernetes

Inject faults to test 💣

Observability

xk6-distributed-tracing

Distributed tracing

Containers

Misc

Load env vars from a .env file

Reporting

Output test results to Elasticsearch

Blockchain
Ethereum

K6 extension for ethereum protocols

Misc

Run external commands

Data

Generate random fake data

Misc

Data
Protocol

Clone Git repositories from tests

Authentication

Provides access to Google Auth token

Containers

Client for load testing Harbor container registry

Reporting

Aggregate HTTP requests into an HTML report

Misc

Interpret Go code

Misc

Javascript Object Signing and Encryption (JOSE) standards

Messaging

Load-test Apache Kafka. Includes support for Avro messages

Containers

Interact with Kubernetes clusters

Data

Share key-value data between VUs

Observability
Messaging

Client for load testing Loki

Messaging

Simple MLLP sender for k6

Misc

Mock HTTP(S) servers

Data

Load-test Mongo no-SQL databases

Messaging

Messaging

Provides NATS support for k6 tests

Data

Interact with Neo4J graph databases

Reporting

xk6-notification

Create notifications

Authentication

Generate OAuth PKCE code verifier and code challenge

Observability

xk6-opentelemetry

Generate OpenTelemetry signals from within your test scripts

Reporting
Observability

xk6-output-dynatrace

Export results to Dynatrace

Data

xk6-output-elasticsearch

Export results to Elasticsearch 8.x

Reporting

xk6-output-error

Add more information into StdErr k6 about requests

Data

xk6-output-influxdb

Export results to InfluxDB v2

Reporting

xk6-output-kafka

Export k6 results in real-time to Kafka

Reporting
Observability

xk6-output-prometheus-pushgateway

Export results to Prometheus pushgateway

Reporting
Observability

xk6-output-prometheus-remote

Export results to Prometheus remote write endpoints

Reporting

xk6-output-timescaledb

Export k6 results to TimescaleDB

Reporting

xk6-output-timestream

Export results to AWS Timestream

Browser

Browser automation and end-to-end web testing using Playwright

Arguments

Support for input arguments via UI.

Messaging

Data

Client for testing Redis

Protocol

Use SMTP protocol to send emails

Data

Load-test Snowflake cloud data warehouse

Data

Load-test SQL Servers (PostgreSQL, MySQL and SQLite3 for now)

Messaging

Produce to an SQS queue

Misc

Messaging
Protocol

Client for STOMP protocol

Messaging

Send data to TCP port

Reporting
Messaging

Interact with Telegram Bots

Platform

Use for testing/benchmarking Temporal

Data

Encode and decode TOML values

Observability

Support for Tracetest test execution and tracing client

Misc

Parse and normalize URLs

Protocol

Add support for WAMP protocol

WebSockets

A WHATWG WebSockets API specification implementation for k6 that might replace k6/ws in the future.

Data

Encode and decode YAML values

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