1. JavaScript Echo Tester (All Methods/Encodings)
Target Language
Python (.py)
Perl (.pl)
PHP (.php)
Node.js with Express(.js)
HTTP Method
GET
POST
PUT
DELETE
Encoding Choice (Header)
x-www-form-urlencoded
application/json
Message / Data Fields
Submit via JavaScript
Server Response:
2. Native HTML Forms (No JS)
These cause a full page refresh and use browser defaults.
Standard GET
Native GET
Standard POST
Native POST