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reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["human-readable","json","kubernetes","log","logging"],"created_at":"2026-01-17T11:56:29.647Z","updated_at":"2026-01-17T11:56:29.731Z","avatar_url":"https://github.com/fhopfensperger.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"# json-log-to-human-readable\n![Go](https://github.com/fhopfensperger/json-log-to-human-readable/workflows/Go/badge.svg)\n[![Go Report Card](https://goreportcard.com/badge/github.com/fhopfensperger/json-log-to-human-readable)](https://goreportcard.com/report/github.com/fhopfensperger/json-log-to-human-readable)\n[![Coverage Status](https://coveralls.io/repos/github/fhopfensperger/json-log-to-human-readable/badge.svg?branch=master)](https://coveralls.io/github/fhopfensperger/json-log-to-human-readable?branch=master)\n[![Release](https://img.shields.io/github/release/fhopfensperger/json-log-to-human-readable?style=flat-square)](https://github.com//fhopfensperger/json-log-to-human-readable/releases/latest)\n\nConvert JSON log messages to a human-readable format.\n\nThe following formats are supported:\n\n- [Quarkus JSON Logging](https://quarkus.io/guides/logging#json-logging)\n- [Spring Boot JSON Logging](https://www.baeldung.com/java-log-json-output)\n- [Uber Zap](https://github.com/uber-go/zap)\n- [.NET Core](https://docs.microsoft.com/en-us/aspnet/core/fundamentals/logging/?view=aspnetcore-5.0)\n\n```\nFlags:\n  -d, --dotnet       .NET JSON input\n  -h, --help         help for json-log-to-human-readable\n  -s, --springboot   Spring Boot JSON input\n  -v, --version      version for json-log-to-human-readable\n  -z, --zap          Uber zap JSON Input\n\n```\n\n\n\n## Usage Examples:\n\n##### **`test.json`**\n```json \n{ \"level\": \"INFO\", \"timestamp\": \"2020-07-14T09:38:14.977Z\", \"message\": \"sample output\", \"loggerName\": \"org.acme.MyClass\" }\n```\n```bash\ncat test.json | json-log-to-human-readable\n```\n##### **`Output`**\n```\nINFO 2020-07-14T09:38:14.977Z    org.acme.MyClass       sample output\n```\n\n### This also works for Pods running in Kubernetes: \n```bash\nkubectl logs -f pod1 | json-log-to-human-readable\n```\n### Spring Boot JSON Logging format could be transformed with `-s`\n##### **`test-spring-boot.json`**\n```json \n{\"@timestamp\":\"2020-07-15T19:09:39.983Z\",\"@version\":\"1\",\"message\":\"My log message\",\"logger_name\":\"org.acme.MyClass\",\"thread_name\":\"pool-1-thread-1\",\"level\":\"INFO\",\"level_value\":20000}\n```\n```bash\ncat test-spring-boot.json |  json-log-to-human-readable -s\n```\n##### **`Output`**\n```\nINFO 2020-07-15T19:09:39.983Z    org.acme.MyClass       My log message\n```\n\n### Uber Zap JSON Logging format could be transformed with `-z`\n##### **`test-uber-zap.json`**\n```json \n{\"level\":\"error\",\"ts\":1598445905.143377,\"logger\":\"controller-runtime.controller\",\"msg\":\"Reconciler error\",\"controller\":\"scaledobject-controller\",\"request\":\"default/azure-servicebus-queue-scaledobject\",\"error\":\"error getting scaler for trigger #0: error parsing azure service bus metadata: no connection setting given\",\"stacktrace\":\"github.com/go-logr/zapr.(*zapLogger).Error\\n\\t/Users/zroubali/go/pkg/mod/github.com/go-logr/zapr@v0.1.1/zapr.go:128\\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).reconcileHandler\\n\\t/Users/zroubali/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.2.2/pkg/internal/controller/controller.go:218\\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem\\n\\t/Users/zroubali/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.2.2/pkg/internal/controller/controller.go:192\\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).worker\\n\\t/Users/zroubali/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.2.2/pkg/internal/controller/controller.go:171\\nk8s.io/apimachinery/pkg/util/wait.JitterUntil.func1\\n\\t/Users/zroubali/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190404173353-6a84e37a896d/pkg/util/wait/wait.go:152\\nk8s.io/apimachinery/pkg/util/wait.JitterUntil\\n\\t/Users/zroubali/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190404173353-6a84e37a896d/pkg/util/wait/wait.go:153\\nk8s.io/apimachinery/pkg/util/wait.Until\\n\\t/Users/zroubali/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190404173353-6a84e37a896d/pkg/util/wait/wait.go:88\"}\n```\n```bash\ncat test-uber-zap.json |  json-log-to-human-readable -z\n```\n##### **`Output`**\n```\nerror 2020-08-26 14:45:05.143377065 +0200 CEST   controller-runtime.controller  msg: Reconciler error   controller: scaledobject-controller      request: ugsvt-mercedes/azure-servicebus-queue-scaledobject\nerror: error getting scaler for trigger #0: error parsing azure service bus metadata: no connection setting givenstacktrace: github.com/go-logr/zapr.(*zapLogger).Error\n        /Users/zroubali/go/pkg/mod/github.com/go-logr/zapr@v0.1.1/zapr.go:128\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).reconcileHandler\n        /Users/zroubali/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.2.2/pkg/internal/controller/controller.go:218\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem\n        /Users/zroubali/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.2.2/pkg/internal/controller/controller.go:192\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).worker\n        /Users/zroubali/go/pkg/mod/sigs.k8s.io/controller-runtime@v0.2.2/pkg/internal/controller/controller.go:171\nk8s.io/apimachinery/pkg/util/wait.JitterUntil.func1\n        /Users/zroubali/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190404173353-6a84e37a896d/pkg/util/wait/wait.go:152\nk8s.io/apimachinery/pkg/util/wait.JitterUntil\n        /Users/zroubali/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190404173353-6a84e37a896d/pkg/util/wait/wait.go:153\nk8s.io/apimachinery/pkg/util/wait.Until\n        /Users/zroubali/go/pkg/mod/k8s.io/apimachinery@v0.0.0-20190404173353-6a84e37a896d/pkg/util/wait/wait.go:88\n```\n\n# Installation\n\n## Homebrew\n\n```bash\nbrew install fhopfensperger/tap/json-log-to-human-readable\n```\n\n## Script\n\n```bash\ncurl https://raw.githubusercontent.com/fhopfensperger/json-log-to-human-readable/master/get.sh | bash\n```\n\n## Manually\n\nGo to [Releases](https://github.com/fhopfensperger/json-log-to-human-readable/releases) download the latest release according to your processor architecture and operating system, then unarchive and copy it to the right location\n\n```bash\ntar xvfz json-log-to-human-readable_x.x.x_darwin_amd64.tar.gz\ncd json-log-to-human-readable_x.x.x_darwin_amd64\nchmod +x json-log-to-human-readable\nsudo mv json-log-to-human-readable /usr/local/bin/\n```\n\n## Run as container\n\nBesides installing the binary on the local computer, you have the option to run the program as a container\n```bash\nkubectl logs -f pod1 | docker run -i 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