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Kafbat UI

Versatile, fast and lightweight web UI for managing Apache Kafka® clusters.

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Kafbat UI is a simple tool that makes your data flows observable, helps find and troubleshoot issues faster and deliver optimal performance. Its lightweight dashboard makes it easy to track key metrics of your Kafka clusters - Brokers, Topics, Partitions, Production, and Consumption.

* - TheKafbat team comprises key contributors from the project's inception, bringing a wealth of experience and insight to this renewed endeavor.

• Topic Insights – View essential topic details including partition count, replication status, and custom configurations.
• Configuration Wizard – Set up and configure your Kafka clusters directly through the UI.
• Multi-Cluster Management – Monitor and manage all your Kafka clusters in one unified interface.
• Metrics Dashboard – Track key Kafka metrics in real time with a streamlined, lightweight dashboard.
• Kafka Brokers Overview – Inspect brokers, including partition assignments and controller status.
• Consumer Group Details – Analyze parked offsets per partition, and monitor both combined and partition-specific lag.
• Message Browser – Explore messages in JSON, plain text, or Avro encoding formats. Live view is supported, enriched with user-defined CEL message filters.
• Dynamic Topic Management – Create and configure new topics with flexible, real-time settings.
• Pluggable Authentication – Secure your UI using OAuth 2.0 (GitHub, GitLab, Google), LDAP, or basic authentication.
• Cloud IAM Support – Integrate withGCP IAM,Azure IAM, andAWS IAM for cloud-native identity and access management.
• Managed Kafka Service Support – Full support forAzure EventHub,Google Cloud Managed Service for Apache Kafka, andAWS Managed Streaming for Apache Kafka (MSK)—both server-based and serverless.
• Custom SerDe Plugin Support – Use built-in serializers/deserializers like AWS Glue and Smile, or create your own custom plugins.
• Role-Based Access Control –Manage granular UI permissions with RBAC.
• Data Masking –Obfuscate sensitive data in topic messages to enhance privacy and compliance.
• MCP Server -Model Context Protocol Server

To run Kafbat UI, you can use either a pre-built Docker image or build it (or a jar file) yourself.

docker run -it -p 8080:8080 -e DYNAMIC_CONFIG_ENABLED=true ghcr.io/kafbat/kafka-ui

Then access the web UI athttp://localhost:8080

This command is sufficient to try things out. When you're done, you can proceed with apersistent installation.

services:kafbat-ui:container_name:kafbat-uiimage:ghcr.io/kafbat/kafka-ui:latestports:      -8080:8080environment:DYNAMIC_CONFIG_ENABLED:'true'volumes:      -~/kui/config.yml:/etc/kafkaui/dynamic_config.yaml

Please refer to ourconfiguration page to proceed with further app configuration.

Web UI Cluster Configuration Wizard

Configuration file explanation

Docker Compose examples

Misc configuration properties

Quick start

Quick start for building from source

The liveness and readiness endpoint is at/actuator/health.
The info endpoint (build info) is located at/actuator/info.

All environment variables and configuration properties can be foundhere.

Please refer to thecontributing guide; we'll guide you from there.

As we're fully independent, team members contribute in their free time.Your support is crucial for us, if you wish to sponsor us, take a lookhere