There are many free software to make bootable USB pendrive available and are easy to use.USB is an extremely popular standard over this last few years, with images of bootable USB pendrive almost floating around the Internet.
There are a variety of techniques to create a bootable USB device. The most common and simple method is using the existing software.
What is a bootable USB drive?
A bootable USB pendrive is a flash drive that can be used to start up your computer and load your operating system. This is especially helpful if you want to take your laptop with you but don’t want to carry your entire operating system with you.
You can simply put your bootable USB drive in your computer and start it up your computer. This is also a great way to keep your operating system and your data separate. You can have your operating system on your bootable USB drive and your data on a different drive.
Benefits of creating a bootable USB drive
A bootable USB drive is a great way to save your work on a computer. You can use it to restore your computer to its original state if it crashes, or to boot into another operating system if you need to.
Another great benefit of using a bootable USB drive is that you can use it to install programs or drivers. If you need to install a new program or driver, you can use a bootable USB drive to do it quickly and easily.
How to create a bootable USB drive
You may create a USB bootable Pendrive in two ways.
- Create Bootable USB Pendrive Without Any Software In Windows using Command Prompt [cmd].
- Create a bootable USB drive using Software.
Software to make bootable usb pendrive
Top free software for creating bootable USB pendrive. These are some of the best, free, and simple tools that are frequently used to make bootable USBs.
These softwares can be used to make bootable USB for Windows 7/8/10/11 and Linux Live bootable Pendrives for the majority of Linux distributions (Ubuntu, CentOS, Kali Linux).
Visit this article for tutorial on: “Steps to create bootable usb pendive using cmd”
Top Free Software to make bootable usb pendrive
Top software to make bootable USB Pendrive. These are the top free and easy to use tools which are heavily used to create the bootable USB.
1. Rufus
Create bootable USB drives the easy way. Rufus is a utility that helps format and create bootable USB flash drives, such as USB keys/pendrives.
It can be especially useful for cases where:
- you need to create USB installation media from bootable ISOs (Windows, Linux, UEFI, etc.)
- you need to work on a system that doesn’t have an OS installed
- you need to flash a BIOS or other firmware from DOS
- you want to run a low-level utility
Despite its small size, Rufus provides everything you need!

2. balenaEtcher
BalenaEtcher is a powerful OS image flasher and USB bootable software built with web technologies to ensure flashing an SDCard or USB drive efficiently.
BalenaEtcher is a recommended app if you are looking for an efficient image burning tool. It is a hassle-free solution that allows you to burn USB.
Balena Etcher, is an open-source, cross-platform software that enables users to easily create bootable USB flash drives.

3. Universal USB Installer
Universal USB Installer (Imager) UUI is a Live Linux Bootable USB Creator Software. This ISO to USB imaging tool allows users to easily Boot from USB.
Universal USB Installer is a free application that lets people create bootable USB drives to store an operating system.

4. UNetbootin
UNetbootin allows you to create bootable Live USB drives for Ubuntu and other Linux distributions without burning a CD.This is a good usb image flasher for making usb bootable.

5. RMPrepUSB
RMPrepUSB is a Windows 32-bit utility to partition and format a drive (especially USB drives).
- Install/repair boot code
- Clear write-protect\read-only drive flags
- Sector editor
- SD cards can be up to 10% faster (when formatted as FAT32)
- Test for ‘Fake’ size drives
- Fix various USB boot issues
- Run a 32-bit MBR Emulator to boot from a USB drive (QEMU) with full write access
- Includes the command line utility RMPartUSB.exe

Conclusion
All above are the image flasher which make USB bootable. BalenaEtcher is awesome software and rufus is popular image flasher software.
I would recommend you to use balenaEtcher,it is easy and awesome software to make usb pendrive bootable.