Browser REST API Tester & Request Client
Send GET, POST, PUT, DELETE requests directly from your browser with custom headers, body payloads, and latency timing.
Drop your files here to start Browser REST API Tester & Request Client
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How to Use Browser REST API Tester & Request Client
Lightweight in-browser REST API client. Test API endpoints, verify responses, inspect HTTP status codes, latency timings, and headers without launching desktop apps like Postman. Includes JSON request body editor and formatted syntax-highlighted response viewer.
Select Method & URL
Choose GET/POST and enter your target API URL.
Set Payload
Add optional JSON body payload for POST/PUT requests.
Send & Inspect
Click Send to view HTTP status, latency, and response data.
Technical Specifications & Compatibility
Verified processing capabilities, memory limits, and format standards for Browser REST API Tester & Request Client.
| Supported Input Formats | JSON |
|---|---|
| Execution Environment | 100% Client-Side In-Browser (WebAssembly / JavaScript / Canvas) |
| Privacy & File Retention | Zero server uploads · No data storage · Immediate memory wipe on tab close |
| Maximum File Limit | Up to 250 MB (dependent on available local device memory) |
| Processing Speed | Instantaneous local execution with zero upload or download latency |
| Platform Compatibility | Fully functional across Google Chrome, Apple Safari, Microsoft Edge, Mozilla Firefox, Android & iOS |
Practical Use Cases & Applications
Common real-world scenarios where Browser REST API Tester & Request Client solves everyday file and workflow challenges.
Testing Public Webhooks & APIs
Quickly query JSON endpoints to verify data schemas and availability.
Debugging Local Dev Endpoints
Test localhost API routes directly without opening secondary software.
Verifying CORS Headers
Confirm that server endpoints correctly emit Access-Control-Allow-Origin headers.
Key Features & Capabilities
Local In-Browser Processing
Files and inputs for Browser REST API Tester & Request Client are processed in your local browser memory and never uploaded to GodOfTools servers. Standard website analytics and usage cookies are handled separately per our Privacy Policy.
Frequently Asked Questions
Everything you need to know about using Browser REST API Tester & Request Client securely and effectively.
Why does my request show a CORS error?
Can I test localhost APIs?
Are my files safe and private when using Browser REST API Tester & Request Client?
Is Browser REST API Tester & Request Client free to use?
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