Connection String Builder

Generate correct database connection strings instantly for SQL Server, MySQL, PostgreSQL, MongoDB, Redis and more. No signup • Free • Secure

Generator
Favorites
Advanced Options

Connection History

Favorite Connections

Documentation

Connection String Parameters

Common Parameters

  • Server/Host: The network address of your database server
  • Port: The port number the database listens on (defaults vary by database type)
  • Database Name: The name of the specific database to connect to
  • Username/Password: Credentials for database authentication

SQL Server Specific

  • Authentication: Choose between SQL Server or Windows authentication
  • Encrypt: Enable encryption for the connection
  • Trust Server Certificate: Bypass certificate validation (for development)

MySQL Specific

  • SSL Mode: Control the level of SSL encryption
  • Character Set: Specify the character encoding (utf8mb4 recommended)

Advanced Options

  • Connection Timeout: How long to wait for a connection to be established
  • Command Timeout: How long to wait for a command to execute
  • Connection Pooling: Enable/disable connection pooling for better performance

Code Examples

.NET Connection Example

using (var connection = new SqlConnection(connectionString))
{
    connection.Open();
    // Execute commands here
}

Python Connection Example

import pyodbc
conn = pyodbc.connect(connectionString)
cursor = conn.cursor()
# Execute queries here
conn.close()

🔑 Key Features & Benefits

  • Supports multiple databases: SQL Server, MySQL, PostgreSQL, MongoDB, SQLite, Redis
  • Auto-generates correct syntax based on database type
  • Developer-friendly output for .NET, Node.js, Python & more
  • Saves time and prevents common configuration mistakes
  • Runs fully in your browser — no data stored

📌 Use Cases

  • Developers configuring databases in applications
  • DevOps & sysadmins setting up environments
  • Cloud deployments (Azure, AWS, GCP)
  • Students learning database connectivity

📝 How to Use the Connection String Builder

  1. Select your database type
  2. Enter host, port, database name and credentials
  3. Adjust optional parameters (SSL, timeout, authentication)
  4. Copy the generated connection string

❓ Frequently Asked Questions

  • Does this support Windows & SQL authentication?
    Yes, SQL Server authentication modes are supported.
  • Can I use this for production?
    Yes, but always test connections before deploying.
  • Is this tool secure?
    Yes, everything runs locally in your browser.
  • Do I need to install anything?
    No installation required.