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Simple tools. Instant access. Always free.
Handy tools that open instantly in your browser, on your phone or computer: measure sound, check if a shelf is level, time laps or count down.
All tools
- Sensors
Sound Meter
Check how loud it is around you with your microphone.
Open - Sensors
Bubble Level
Turn your phone into a spirit level for shelves and frames.
Open - Time
Stopwatch
Accurate stopwatch with lap times and keyboard controls.
Open - Time
Countdown Timer
Set minutes and seconds, get a clear alert when time is up.
Open - Productivity
Checklist
Make a checklist and share it as a copy or a live list.
Open - Fitness
HIIT Timer
Interval timer for HIIT, Tabata and circuits, on Simple HIIT Timer.
Learn more
6 tools shown
Instant
Open a page and the tool is ready. Nothing to install.
Private
Microphone and motion data are processed on your device and never uploaded.
Free
No ads, no account, no paywall.