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.
by Daniel Linsenmeier★ 5.01 ratingsDeveloper Tools$1.99Data updated 2026-09-06
The app is a tree and text editor for JSON, JSON5, and JSON Lines data. It allows users to create, visualize, modify, validate, format, and save JSON documents.
The app opens .msg, .eml, .oft, and winmail.dat files on a Mac. It preserves formatting, images, and attachments, and allows users to export to PDF, RTF, or EML.
Create and send requests with support for various methods. Specify headers, parameters, and body content. View response details including status codes and data. Save and manage multiple configurations.
