portable web browser
Pale Moon Portable - Web Browser

Pale Moon Portable is a standalone web browser that you can run directly from a USB drive or local folder without installation. Based on Mozilla Firefox but optimized for modern processors, Pale Moon is faster, more lightweight, and offers up to a 25% performance boost compared to Firefox. Whether you need a portable Firefox or Brave portable alternative or simply want a customizable browser on the go, this is a great choice.
SRWare Iron Portable Web Browser

SRWare Iron is a Portable Web Browser based on the extremely fast Google Chrome Browser (Chromium) source code. It is essentially the same, with a singular focus on user privacy. The Iron Portable Web Browser removes unique user client ID reporting, disables search suggestions, disables url tracker, disables Google updates and crash reporting features.
K-Meleon - Portable Web Browser

K-Meleon is an open source portable web browser that can be taken with you to run from USB. Based on the Gecko Engine created and used by Mozilla Firefox, this browser is lightweight and extremely fast. It is also skinnable, and can be fully customized to suite your needs. Basic essentials function out of the box and third party plugins can be added to enhance or add functionality.
QtWeb - Portable Web Browser

QtWeb is a lightweight and Open Source Portable Web Browser that can be run directly from a USB drive without installation. Designed for users seeking a simple yet effective browsing solution on the go, QtWeb leaves virtually no traces on the host machine except for a downloads folder, making it ideal for privacy-conscious users.
Based on Nokia's Qt framework, the same rendering engine technology that powers Apple's Safari and Google Chrome, it delivers fast and reliable browsing in a compact standalone executable.