Fiddler vs PDFtool.org
A side-by-side look at Fiddler and PDFtool.org. For an in-depth review of either product, follow the links below.
Fiddler
Fiddler is a free web debugging proxy which logs all HTTP(S) traffic between your computer and the Internet. It allows developers to inspect traffic, set breakpoints, and fiddle with incoming or outgoing data. Fiddler can be used to debug traffic from virtually any application that supports a proxy like web browsers, mobile apps, IoT devices, and more.
PDFtool.org
PDFtool.org is a free online PDF editor that allows users to edit, merge, split, compress, and convert PDF files without installing any software. It provides basic PDF editing features like adding or removing pages, rotating pages, reordering pages, adding text, shapes, images, signatures to PDFs.