Check headers, see details, get hints
Check URLs and hostnames for HTTP headers. View all returned headers and identify missing security headers. Receive warnings for existing headers to improve website security.
Showing 1–20 of 1,000 ranked alternatives.
Silvan Daehn
Send requests with custom headers and bodies
Enables users to send requests with support for JSON, form, and multipart bodies. Features include syntax highlighting, error reporting, custom methods, header and authentication setup, and insecure SSL options.
Syphora Montrevaux
Manage playlists and stream content securely
Manage and organize M3U/M3U8 playlists with password protection and encryption. Import and categorize channels for easy access. Support picture-in-picture mode, quality settings, and custom HTTP headers for streaming.
Jason Cox
Test URLs with cURL commands
Perform HTTP requests including GET, HEAD, POST, PUT, DELETE, OPTIONS, and TRACE. View raw headers and HTML responses. Simulate different user-agents. Support SSL for https requests with certificate details. Save and review history of tested URLs.
Roman Mirzoyan
Send and inspect responses
With customizable headers, method, and scheme. Inspect server responses including headers, body, status code, payload size, and duration. View request history and repeat quickly. Display images and PDFs directly from responses.
Nicholas Conolly
View web source and network information.
The app is a functional web browser for iPhone and iPad. It provides HTML source view, WHOIS, DIG, HOST lookups, and HTTP headers.
Wesley de Groot
Check website HTML and status
Debug websites by checking online status and CMS/technology. Validate HTML and CSS for W3C compliance. Inspect elements, view DOM tree, and examine HTTP headers. Retrieve DNS records and Whois information.
FJEDI LTDA
Test APIs and view responses
Allows users to test various APIs including REST, GraphQL, WebSocket, and more. Send HTTP requests with methods like GET, POST, and DELETE. Edit GraphQL queries, mutations, and subscriptions. Connect to WebSockets and send messages.
Ilia Makhmudov
Send requests and view responses
Send requests with full support for GET, POST, PUT, DELETE, PATCH, and HEAD methods. Customize requests by adding headers, URL parameters, query parameters, and bodies. View and analyze response data including status codes and headers.
杏娣 吴
Inspect web pages and analyze HTTP responses
Retrieve , CSS, and JavaScript code from web pages directly on your mobile device. View code with syntax highlighting. Test HTTP requests and analyze server responses including headers, status codes, and payload details. Share or copy content easily.
XK72 Limited
Capture and inspect network requests
Capture and inspect network requests and responses on iOS devices. View metadata, headers, and bodies of traffic. Debug networking issues without a computer. Enable to start capturing data in the background.
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