buncha.tools
buncha/time & productivity/stopwatch

Stopwatch

00:00.00

Pairs well with

Countdown Timer
Set a countdown timer with custom duration.
Pomodoro Timer
Focus timer with work sessions and break intervals…
Date Calculator
Calculate the difference between dates or add/subt…
Interval Timer
HIIT, Tabata, EMOM, AMRAP — with voice cues, audib…

About Stopwatch

Precise stopwatch with lap tracking.

Everything happens on your device. Close the tab and it's gone.
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Built browser-first. Run by one developer.
Every tool runs on your device. No tracking pixels, no sign-up to start. The numbers below are pulled live from the registry.
386
Free tools
Across 14 categories
7
Visual editors
PDF · image · video · audio
34
Curated kits
By profession + lifestyle
27
AI tools
Powered by Claude API
Files never uploadNo tracking pixelsNo sign-up neededWorks in any modern browser
The handful of AI tools (paraphrase, summarise, blog, captions, etc.) send your prompt text to Anthropic's Claude API to do the work. Files, images, PDFs and video never leave your device. Pick the tools that fit your privacy comfort.