About HTTP Request Tester
Developers open HTTP Request Tester to build and send HTTP requests with custom method, headers, and body. See status, headers, and timing — without uploading files to a remote service. Build and send HTTP requests with custom method, headers, and body. See status, headers, and timing. Results are free to copy with no watermark or account wall. The differentiator is simple: your http input stays on this device.
What stays local: Requests, URLs, and payloads you inspect.
What you can do with HTTP Request Tester
- Free online http request tester — no account required
- Build and send HTTP requests with custom method, headers, and body. See status, headers, and timing
- Runs locally in your browser (nothing uploaded for processing)
- Works offline after installing the DevTooKit PWA
How to use HTTP Request Tester
- Open HTTP Request Tester. Go to the free HTTP Request Tester page on DevTooKit.
- Enter your input. Paste or type your http data — it stays in this browser tab.
- Run the tool. Use HTTP Request Tester to get results instantly with no server round-trip for processing.
- Copy and continue. Copy the output into your editor, PR, or API client as needed.
Privacy
What stays local: Requests, URLs, and payloads you inspect. DevTooKit is local-first — no signup wall, no server-side processing for this tool, and no watermark on results.
Related tools
FAQ — HTTP Request Tester
Privacy, offline use, and how this free online tool works.
Does HTTP Request Tester upload my data to a server?
No. HTTP Request Tester runs in your browser. Your input stays on this device and is not sent to DevTooKit for processing.
Is HTTP Request Tester free?
Yes — free, with no account and no paywall to use the core http workflow.
Does HTTP Request Tester send traffic to third-party servers?
Only when you explicitly run a request against a URL you choose. DevTooKit does not mirror your payloads for processing.
Can I use HTTP Request Tester offline?
Yes after the first visit. Install DevTooKit as a PWA and this tool keeps working without a network connection.