FREE Web Tools

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


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


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

HTTP Request/Response Viewer

Send custom HTTP requests and check your server response.

Browser Headers Viewer

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

Base64 Encoder/Decoder

Encode the plain text to Base64 or decode Base64 to the plain text.

URL Encoder/Decoder

Encode unsafe characters in URLs or decode the encoded URLs back.

ASP.NET ViewState Decoder

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

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