debug
Tiny debugging utility for JavaScript applications.
- Status
- Generally available
- Last checked
- Checked · Oct 7, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Debug is a small and powerful debugging tool that allows developers to easily add logging statements in their code. It's designed to be simple, lightweight, and easy to use without bloating the application.
Debug stands out as a lightweight, easy-to-integrate solution that provides essential debugging and logging functionality without the overhead of more complex tools.
When it fits — and when it doesn’t
A good fit for
Developers who need a lightweight debugging tool for their Node.js projects
Teams that require flexible and environment-controlled logging in JavaScript applications
Projects where simplicity and ease of integration are prioritized over complex features
Look elsewhere if
Applications requiring real-time monitoring or advanced analytics capabilities
Large-scale enterprise environments with strict compliance requirements for logging
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited language support beyond JavaScript
The tool is primarily designed for and optimized in JavaScript, making it less suitable for polyglot projects.
- 02
Small community leading to limited third-party integrations
Due to its niche focus, the ecosystem around Debug lacks extensive plugins or extensions compared to more popular logging tools like Winston or Log4js.
- 03
Poor documentation for advanced use cases
The official documentation is sparse on detailed examples and best practices for complex scenarios, leading to a steep learning curve for advanced features.
- 04
May not scale well in large applications
While lightweight, Debug may introduce performance overhead when used extensively across many modules or with high-frequency logging in larger codebases.
What it does well
Lightweight and easy to use
Flexible filtering of log output
Color-coded output for better readability
Environment variable control for enabling/disabling logging
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up debug
Setup steps, common gotchas and what to check after 30 days.