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A lightweight in-browser HTTP client (mini Postman): send GET/POST/PUT/DELETE requests with custom headers and body, inspect status, headers, timing, and formatted response — all from your browser
Execution
Fill in the form, run the tool, and review the result in one place.
Samples
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Ready for a run
Tool usage guide
The HTTP Request Tester is a lightweight, in-browser HTTP client that allows you to send GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS requests directly from your browser. Without installing heavy desktop applications, you can customize headers, configure request bodies, toggle redirect behaviors, and inspect status codes, response headers, timing data, and formatted payloads instantly.
Background
A developer needs to verify the structure of a public user profile API before writing integration code.
Problem
Quickly inspect the JSON payload and headers returned by a GET request.
How to use
Set the URL to the API endpoint, select GET as the method, and click send.
URL: https://jsonplaceholder.typicode.com/users/1
Method: GETOutcome
The tool displays a 200 OK status code, response headers, and the formatted JSON user object.
Background
An engineer is testing a new user creation endpoint that requires authentication and a JSON payload.
Problem
Send a POST request with an Authorization header and a JSON body to verify successful creation.
How to use
Set the URL, select POST, add the Authorization header, set the Body Type to JSON, paste the JSON payload, and execute.
Requests are sent directly from your browser using standard web APIs, meaning local network endpoints are accessible but subject to CORS policies.
Yes, you can input custom headers line-by-line in the Headers field, such as 'Authorization: Bearer token'.
The tool supports Raw text, JSON, and Form (x-www-form-urlencoded) body types.
Yes, by enabling the 'Show Response Timing' option, the tool displays the duration of the request.
Yes, you can toggle the 'Follow Redirects' option to control whether the client automatically follows HTTP redirects.
URL: https://api.example.com/v1/users
Method: POST
Headers: Authorization: Bearer secret_token_123
Body Type: JSON
Body: { "name": "Jane Doe", "email": "[email protected]" }Outcome
The API returns a 201 Created status code along with the newly created user object and response timing details.