Kafka King

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This project is a kafka GUI client, adapted to various desktop systems (except Win7), supports kafka 0.8.0 to 3.8+ ，Based on Wails and franz-go.

Another:

• AI Coding Agent: ally-agent
• ES Client: https://github.com/Bronya0/ES-King
• HDFS Client：https://github.com/Bronya0/HDFS-King

AI Doc：https://zread.ai/Bronya0/Kafka-King

Features of Kafka-King

• View the list of cluster nodes, dynamically configure broker and topic settings.
• Support for consumer clients to consume messages from specified topics with group, size, and timeout parameters, displaying message details in tabular form.
• Support for PLAIN, SSL, SASL, Kerberos, sasl_plaintext, etc.
• Support gzip、lz4、snappy、zstd compress and decompress
• Create (supports batch operations) and delete topics, specifying replicas and partitions.
• Statistics on each topic's total message count, committed offset, and lag for each consumer group.
• Detailed information about topic partitions (offsets), with support for adding additional partitions.
• Simulate producer behavior, send messages in batches with headers and partition specifications.
• Topic and partition health checks (completed).
• View consumer groups and individual consumers.
• Offset inspection reports.
• Schema Registry support: Subject and version management, compatibility configuration, and Avro, JSON, Protobuf message decoding.
• Multi-instance streaming consumption: Real-time message streaming with reverse ordering, tab management, and manual/auto offset commit.
• Consumer group offset reset: Support resetting to Start (earliest), End (latest), specific timestamp, or explicit offset.
• Message purge (DeleteRecords): Delete records up to target offsets for specific or all partitions, with full purge support.
• Partition replica reassignment: Visual inspection and adjustment of partition replicas, with cancellation support.
• Enhanced node inspection: Broker Controller indicator, LogDirs disk space usage analysis, and client Quotas management.
• Connection import & export: Export connections to YAML, and import from YAML/JSON with smart deduplication.
• Extended authentication: Support OAUTHBEARER (static token), AWS MSK IAM, and multi-broker SSH tunneling.
• Message replay & export: Re-produce selected messages to other topics, and export messages as JSON/CSV.

Download

Download from the right side or visit the release page. Expand 【Assets】and choose the version suitable for your platform, supporting Windows, macOS, Linux.

macOS users: if the app shows "is damaged" when opening, run xattr -dr com.apple.quarantine /Applications/Kafka-King.app in terminal (the app is unsigned and blocked by Gatekeeper).

Important Notes:

1. Before using, ensure that the advertised.listeners setting of your Kafka cluster is correctly configured. If not configured or if domain names are used, add corresponding domain name resolution entries in the hosts file of your local machine to avoid connection issues due to unresolved domain names, even when IP addresses are entered in King.
2. If your connection requires SSL, enable TLS and ignore verification unless you have a certificate, in which case enable TLS verification and provide the certificate path.
3. SASL users should enable SASL and select the appropriate SASL protocol (usually plain), then enter the username and password.
4. In case of webview2 runtime errors, download and reinstall the runtime from Microsoft's official website: https://developer.microsoft.com/en-us/microsoft-edge/webview2

Screenshots

Offset inspection feature introduced in v0.33 offers an intuitive view of message backlog. Topic list with various operation options. Message viewing interface.

Participate in development

Install golang, node.js, npm, and run go install github.com/wailsapp/wails/v2/cmd/wails@latest to install Wails CLI.

cd app
wails dev

License

Apache-2.0 license

Acknowledgements

• wails: https://wails.io/docs/gettingstarted/installation
• naive ui: https://www.naiveui.com/
• franz-go: https://github.com/twmb/franz-go/
• xicons: https://xicons.org/#/

TransLate

Support Chinese, Japanese, English, Korean, Russian and other languages

Fix or add new language：https://github.com/Bronya0/Kafka-King/issues/51

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