Java Thread Dump Inspector

Parsed in the browser. The file is never uploaded.

Dump A
drop a file here
or pick one
Dump B
for before/after comparison
optional

Load a dump to start, or

Take one with

jstack <pid> > dump.txt

# JDK 21+, and the only one that shows virtual threads
jcmd <pid> Thread.dump_to_file -format=json dump.json