DevUtils
A collection of developer utilities built into VS Code. Access tools directly from your editor to streamline your workflow.
Getting Started
- Install DevUtils from the VS Code Marketplace
- Click on the DevUtils icon in the activity bar
- Select any tool from the Tools panel to open it
REST Client
A full-featured HTTP client for testing APIs directly in VS Code.
Features:
- HTTP methods: GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS
- Request configuration with headers, query parameters, and body (JSON, Form Data, URL-encoded, Raw)
- Collections for organizing and saving requests
- Environments with custom variables
- Variable support using
{{variableName}} syntax in URLs, headers, and body
- Tabs for working with multiple requests simultaneously
- Activity history with filtering, grouped by date
- cURL import for existing commands
- Code snippet generation in various languages
- Request persistence in localStorage
Date Time Converter
Convert between Unix timestamps and human-readable dates.
Features:
- Live current time display in Unix seconds and milliseconds
- Unix to date conversion
- Date to Unix conversion
- One-click copy for all values
Base64 Encoder
Convert text to Base64 encoding with real-time output as you type.
Base64 Decoder
Decode Base64 text back to readable format with format validation.
Image to Base64
Convert image files to Base64 data URLs. Supports JPG, PNG, GIF, SVG, and other formats. Drag and drop or select files to generate data URLs for web use.
Cron Expression Parser and Generator
Parse and generate cron expressions for scheduling tasks.
Features:
- Expression parsing with next execution times
- Visual controls for building expressions
- Human-readable translation of cron syntax
JWT Encode/Decode
Create and decode JSON Web Tokens.
Features:
- Encoding with payload input, optional header configuration, and secret key management
- Multiple algorithms: HS256, HS384, HS512, none
- Decoding with header and payload display
- Signature verification
- Built-in JSON syntax validation
Convert colors between HEX, RGB, HSL, and CMYK formats. Includes a visual color picker.
String and Password Generator
Generate secure passwords and random strings with customizable length and character options.
Box Shadow Generator
Create CSS box-shadow effects visually with sliders. Adjust shadow properties and see real-time preview. Supports combining multiple shadow effects.
UUID Generator
Generate unique identifiers in different UUID formats. Supports bulk generation.
Generate and customize QR codes.
Features:
- Content types: text, URLs, contact information, WiFi credentials
- Pre-built templates for common use cases
- Customization: size, colors, error correction levels
- Download and clipboard integration
Troubleshooting
- Tool not opening - Restart VS Code
- Copy not working - Check system clipboard access
- Format errors - Verify input format, especially for JSON
- Performance issues - Close unused tool tabs
