About

Log Tools

Error Message Parser

Parse application errors and logs into structured details, including type, category, and severity.

Features

  • Extract timestamps and log levels
  • Identify common error types and categories
  • Summarize error severity

How to use it

  1. Paste error messages or log lines.
  2. Run the parser.
  3. Review and copy the structured results.

Example and use cases

Parse an application error log to identify its type, category, and severity.

Useful for triaging application logs and making error reports easier to scan.

Error Message Parser

Parse application error messages and logs into structured JSON with error type, category, severity, timestamp, and message details.

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Error Logs

Parsed JSON

Parsed error data will appear here...
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How Error Message Parser Works

01. Paste

Paste application errors, server logs, or debugging messages.

02. Detect

The parser detects timestamps, log levels, and error types.

03. Classify

Errors are categorized into runtime, database, network, authentication, validation, and other categories.

04. Export

The parsed information can be copied or downloaded as JSON.

Parsed Error Fields

Timestamp

Detects common date and time formats from log messages.

Error Type

Identifies types such as TypeError, MongoServerError, KeyError, and other exceptions.

Category

Groups messages into categories such as Database, Network, Runtime, Validation, and Authentication.

Severity

Assigns a simple severity level based on the detected log level.

Common Use Cases

  • • Analyze application error logs
  • • Convert unstructured errors into JSON
  • • Categorize backend errors
  • • Identify high-severity failures
  • • Analyze database errors
  • • Prepare logs for debugging and monitoring

Frequently Asked Questions

What does an error message parser do?

It extracts useful information from unstructured error messages and converts it into structured data.

What error types are supported?

The parser can detect common JavaScript, Node.js, database, Python, Java, network, validation, and other error patterns.

Is my log data uploaded to a server?

This tool processes the entered text in the browser. It does not need a backend API to parse the messages.

Can I download the parsed result?

Yes. Use the Download button to save the structured result as a JSON file.

Frequently asked questions

Which errors can it parse?

It handles common timestamped log messages and identifies recognizable error types and categories.

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