8 Best NodeJS Logging Libraries

Here are the best open-source Node.js logging libraries for your web application. You can use these libraries in Nodejs - JavaScript runtime environment for logging functions such as debugging, troubleshooting, monitoring applications, and more.

These libraries provide developers with diverse options for logging their applications, allowing them to understand better what is happening in their code. Moreover, these libraries help you get detailed insights into how the application is performing. Also, you will be able to test how the application behaves under various loads in the production environment. At the same time, they help improve your applications' performance through error tracking and troubleshooting. These open-source Node.js logging libraries also provide support for multiple transports. 

We have curated a list of top and trending Node.js libraries for logging based on popularity, licensing, and unique features to enable logging in your application for debugging the code when required:

Pino:

• Used to log the statements in an easy-to-read JSON format.
• A fast and efficient logging library that uses a binary format for log messages.
• Provides a simple and extremely fast API.

Winston:

• Used to perform logging under various levels and formats.
• A versatile logging library that provides support for multiple transports.
• Offers advanced logging options.

Bunyan:

• Used for fast logging in node.js in JSON format.
• A simple and efficient logging library that uses JSON format for log messages.
• Offers a CLI (Command Line Interface) tool for viewing the logs.

Loglevel:

• Used to perform logging operations in both Node.js and the browser.
• One of Node.js best loggers as it is lightweight and simple.
• A new version is released whenever new features are added.

Signale:

• Used to create custom logs by using a JSON object and fields with the logger data.
• Offers the ability to filter out secretive or sensitive information.
• Provides timers that help log the timestamp, data, and filename.

Tracer:

• Used for producing detailed logging messages.
• These consist of timestamps, file names, line numbers, and method names.
• Supports file, stream, and MongoDB transport.
• Provides a color console and filter conditions in logging.

Cabin:

• Used for the masking of sensitive and critical information in node.js applications.
• Follows the principle of Bring Your Own Logger (BYOL).
• Compatible with various other loggers like Axe, Pino, Bunyan, Winston, etc.

Npmlog:

• Used to perform simple logging operations in Server, Runtime Environment, and node.js applications.
• Offers various logging levels including, silly, verbose, info, warn, HTTP, and error.
• Also supports colored logging.