JSON Log Viewer

August 20, 2026 ยท View on GitHub

Version Go Report Card Coverage Status Mentioned in Awesome Go

An interactive tool for viewing and analyzing complex structured JSON logs.

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Installation

Homebrew

brew install hedhyw/main/jlv

Standalone Binary, DEB or RPM packages

https://github.com/hedhyw/json-log-viewer/releases/latest

Release artifacts are built by GitHub Actions and carry a build provenance attestation. To verify that a downloaded file was produced by this repository:

gh attestation verify jlv_windows_amd64.zip --repo hedhyw/json-log-viewer

Go

go install github.com/hedhyw/json-log-viewer/cmd/jlv@latest

Quick start

# Open a log file.
jlv application.log

# Or open several files at once.
jlv application-2025-02-03-*.log

# Or read from stdin.
kubectl logs pod/my-pod -f | jlv

Press ? inside the viewer to see all hotkeys, F to filter, Enter to expand a log entry, and Ctrl+C to exit. See usage for more examples.

Documentation