tools

Disassembler&Debugger

x64dbg - https://x64dbg.com/ (No Disassembler)

ida - https://hex-rays.com/ida-free/ (Yes Debugger, Yes Disassembler)

PE Viewer

CFF explorer - https://ntcore.com/?page_id=388

PEview - http://wjradburn.com/software/

Stud_PE - https://www.cgsoftlabs.ro/studpe.html

Detect Packer

ExeinfoPE - https://github.com/ExeinfoASL/ASL

Online ARM to HEX Converter

armconverter.com - https://armconverter.com/