While dedicated "online" decompilers for native code are rarer than those for Java or Python, several powerful options exist:
For many, setting up professional-grade reverse engineering suites like or IDA Pro is overkill for a quick look. Online decompilers offer several advantages: Lib.so Decompiler Online
A fantastic meta-search engine for decompilation. You upload a file, and it runs it through multiple decompiler engines (like Hex-Rays, Ghidra, and Procyon) simultaneously so you can compare results. Limitations to Keep in Mind While dedicated "online" decompilers for native code are
While every platform varies, the general workflow remains the same: Drag and drop your .so file into the web interface. Limitations to Keep in Mind While every platform
Originally developed by Avast, this is one of the most robust engines for converting machine code back to C. Various web-based implementations of RetDec allow for online use.