Free Online HTTP Request Tester -- Professional Postman Alternative in Your Browser
Welcome to the free HTTP Request Tester from Get-Tools, a comprehensive and powerful tool designed specifically for developers, software engineers, QA testers, and anyone who works with APIs on a daily basis. This tool allows you to send, inspect, and debug HTTP requests directly from your web browser without installing any software, extensions, or desktop applications. It serves as a professional-grade, free alternative to popular tools like Postman, Insomnia, and Thunder Client, offering a clean and intuitive interface packed with all the essential features you need for effective API testing and development.
Core Features and Capabilities
Full HTTP Method Support
The tool supports all standard HTTP methods including GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS. Simply select the appropriate method from the dropdown menu before sending your request. This gives you complete flexibility to interact with any RESTful API endpoint, whether you are fetching data, creating resources, updating existing records, or testing server configurations with HEAD and OPTIONS requests.
Dynamic Query Parameters
Add, edit, and manage query parameters through an interactive table interface. Each parameter row includes a checkbox that lets you enable or disable individual parameters without deleting them, making it easy to test different parameter combinations. The URL in the address bar updates automatically in real time as you modify your parameters, eliminating the need to manually construct query strings and reducing the chance of typos or encoding errors.
Custom Request Headers
Add any number of custom headers to your request. Common headers like Content-Type, Authorization, Accept, Cache-Control, and custom headers such as X-API-Key or X-Request-ID are fully supported. The tool initializes with an Accept: application/json header as a sensible default for most API interactions, and you can add, modify, or remove headers as needed.
Multiple Request Body Types
Choose from five different body types to match your API requirements: raw JSON for structured data payloads, Form Data for standard form submissions including file uploads, plain Text for simple string payloads, XML for SOAP or XML-based APIs, or None when the request does not require a body. In Form mode, each row can be individually toggled between text fields and file upload inputs, giving you the ability to send multipart/form-data requests with mixed content types.
Authentication Options
The tool provides three commonly used authentication schemes that cover the vast majority of API authentication needs. Bearer Token authentication lets you send a JWT or OAuth token in the Authorization header. Basic Auth encodes your username and password in Base64 format and sends them in the Authorization header. API Key authentication lets you specify a custom header name and value, which is useful for APIs that require keys sent as headers like X-API-Key or X-Auth-Token. All authentication credentials remain in your browser and are never transmitted to our servers.
Four Response View Modes
After sending a request, the tool displays the response across four distinct views. Pretty mode renders JSON and XML with syntax highlighting, color-coded keys, strings, numbers, booleans, and null values for easy readability. Raw mode shows the unprocessed response text exactly as received from the server. Preview mode renders HTML content inside a sandboxed iframe, which is ideal for testing web pages or HTML-returning endpoints. Headers mode displays all response headers in a clean, organized format. The response status bar shows the HTTP status code with a color-coded badge, response time in milliseconds, and response size.
How to Use This Tool
- Select the HTTP method (GET, POST, PUT, PATCH, DELETE, HEAD, or OPTIONS) from the dropdown at the top of the tool.
- Enter the API URL in the URL input field. The tool comes pre-loaded with a sample JSONPlaceholder URL so you can start testing immediately.
- Add query parameters, custom headers, a request body, or authentication credentials as needed using the tabs below the URL bar.
- Click the Send button and wait for the response to appear in the response panel below.
- Browse the response using the Pretty, Raw, Preview, or Headers tabs, and use the Copy button to copy the response body to your clipboard.
Important Note About CORS Policy
Because all requests are sent directly from your browser (not from our servers), they are subject to the browser's Cross-Origin Resource Sharing (CORS) security policy. This means that some APIs that do not include Access-Control-Allow-Origin headers in their responses will result in a "Failed to fetch" error. This is not a bug in the tool but a standard browser security restriction. For quick testing and experimentation, use public APIs that support CORS such as jsonplaceholder.typicode.com, httpbin.org, or api.coindesk.com.
Privacy and Security
This tool operates entirely on the client side within your browser. We do not log your requests, store your authentication credentials, or transmit any data to our servers. Everything happens locally in your browser, ensuring complete privacy for your data and the APIs you are testing. This makes it safe to use even when working with sensitive or internal APIs during development.
Who Is This Tool For?
This HTTP Request Tester is ideal for frontend developers who need to quickly inspect API responses, backend engineers debugging endpoints during development, QA professionals who need a lightweight testing tool without installation overhead, students and learners studying HTTP protocols and RESTful API design, and DevOps engineers verifying endpoint availability and response headers. Try it now and discover how easy API testing can be directly from your browser with Get-Tools.