fatcousin
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jump to any tool — keyboard-first launcher.
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browse every utility in one place.
manifesto
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why fatcousin exists — local-first, no uploads.
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save this toolset to your device — works offline.
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browser responsiveness intensity over time
frame delta
0.00
ms
fps
0.0
jitter
0.00
ms
frame latency intensity (time →)
smooth
>50ms
reset
ready
local
verify
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