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HttpMaster
Master HTTP Testing and Debugging·httpmaster.net
HttpMaster is a native desktop application for testing, automating, and validating HTTP workflows for APIs, web applications, and services. It supports OpenAPI import, request chaining, multi-value parameters, response validation, and command-line automation for CI pipelines. It runs offline with no account or cloud dependency required.
What it's for
Testing HTTP applications and servicesREST API development and testingBuilding multi-step HTTP request workflowsValidating HTTP responses (status codes, headers, content)Simulating load with parallel parameterized executionAutomating test execution via command line or CI pipelinesGenerating and sharing cURL commandsCreating API test projects from OpenAPI specificationsTesting secured APIs with authentication/OAuth
Features 17
- Ad hoc HTTP request tool
- Authentication support including HTTP credentials and OAuth
- Command-line interface for automation and CI pipelines
- Conditional workflows and execution groups
- cURL command generation from requests
- Customizable PDF execution reports
- Execution manager with progress tracking, pause/resume, and statistics
- Flexible request bodies (JSON, XML, text, web forms, multipart, binary files)
- Global reusable parameters
- HTML form import to auto-generate request bodies
- Multi-value parameters for automated data-driven requests
- OpenAPI (Swagger) import to auto-generate API test projects
- Parallel execution to simulate application load
- Portable edition and ARM support
- Request chaining using data from previous requests (JSONPath, XPath, regex)
- Response validation rules (status codes, headers, content, custom conditions)
- Rich response viewers for JSON, XML, HTML, CSS, images with syntax highlighting
At a glance
free tier
TypeDesktop app
DeploymentInstalled (local)
Fordevelopers
CompanyBorvid
Integrations
OpenAPIcURL
Resources
Pricing
Product is stated to be completely free with no ads, subscriptions, or feature restrictions.
FreeFree
Completely free to use with no feature restrictions.