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.

More Dev Tools

JSON Formatter

Format and beautify raw JSON data to make it readable, structured, and easy to debug.

Recently Updated
Use Tool

SQL → Class Converter

SQL to Class Converter – Generate C#/Java/Python Classes from SQL.

Recently Updated
Use Tool

JSON to TypeScript

Convert JSON data into TypeScript interfaces for strong typing and safer code.

Recently Updated
Use Tool

Connection String

Easily generate and format database connection strings for SQL Server, MySQL, PostgreSQL, and more.

Recently Updated
Use Tool

Live Web Builder

An intuitive HTML, CSS, and JavaScript playground designed for creating and testing websites in real-time. With a user-friendly interface, even beginners can design and build web pages without deep coding knowledge

Use Tool

JSON To Table

Turn complex JSON data into an editable, searchable table. Supports nested objects and live updates.

Popular
Use Tool

XML Formatter & Validator

Beautify, validate, minify, and edit XML instantly. Includes syntax validation, error highlighting, and one-click copy. Secure—runs entirely in your browser.

Use Tool

JS Minifier & Beautifier

Compress JavaScript for faster loading or format it for improved readability and debugging.

Recently Updated
Use Tool

CSS Minifier & Beautifier

Minify to reduce file size or beautify CSS code for better readability and formatting.

Recently Updated
Use Tool

CSS Duplicate Finder

Identify and remove duplicate CSS rules to keep your stylesheets clean and efficient.

Popular
Use Tool