Drop your profiling file here
Everything is processed locally in your browser — no data is uploaded
Supported: Vernier (.json) · StackProf (.json) · Go pprof (.txt) · Folded Stacks (.txt, .folded)
Drop two files to compare before/after
Try an example → or Compare example →
How to generate profiles →
Analyzing profile…
Parsing samples and markers
Drop a second profile here or click to select a file
The current profile is the "before" — the file you add will be the "after"
Before → After