FREE Web Tools

Send HTTP requests, view HTTP headers, encode/decode URLs

HTTP Request/Response Viewer (online)

Send custom HTTP requests and check your server response.

Browser Headers Viewer (online)

View the HTTP headers sent by your browser to the server.

ASP.NET ViewState Decoder (online)

Decode the ASP.NET ViewState strings and display in treeview format.

HttpModifier (desktop app)

Modify HTTP Headers on-the-fly without modifying or deploying the server code.

HttpReply (desktop app)

Simulate HTTP API server responses by replying with files from local disk.

HostRemapper (desktop app)

Retarget HTTP requests from one host to another.

NetThrottler (desktop app)

Slow down your network speed and test your website or app on slow connections.

HTTP Debugger Pro

  • See what's going in/out
  • Isolate and fix performance bottlenecks
  • Detect and eliminate security issues
  • Edit and resubmit HTTP sessions
  • Decrypt SSL traffic from any app
  • Not a proxy, no network issues!
Download Free 7-Day Trial