https://ret.futo.org/
Online assembler and disassembler supporting ARM64, x86, ARM, Thumb, and RISC-V. Runs entirely client-side in WebAssembly.
retonlineassembler
https://www.heaventools.com/
Hex Editor, DLL Viewer, DLL Dependency Scanner: Professional tools for working with PE file format, editing, and reverse engineering software, for malware...
exe filescan toolpeexplorereditor