TOOL NO. 18·CATALOG / TIME·NO SIGN-UP · RUNS LOCALv2.1 · VANILLA · CLK

The chronograph.

A precision stopwatch with lap splits, and a countdown timer with presets & alarm. One tool, two modes — keyboard-first, fullscreen-ready, built for the workbench.

10ms
Precision
2
Modes
8
Presets
COUNTDOWN TIMERREADYCH-02 · AUDIBLE ALARM
20:00
HR
MIN
SEC
CSEC
0%50100%
SETPRESETS
SETCUSTOM

Max 999 minutes · Alarm sounds at 00:00

USERECIPES
KEYBOARD␣ Start / pauseL Lap (stopwatch)R ResetF Fullscreen1–2 Switch modeEsc Exit fullscreen
Category
TIME
Footprint
Zero deps
Runs on
This device only
License
Free · Ad-free
T
ALL TOOLS · THE CATALOG
36 single-purpose utilities · runs local
Browse all →
IMAGE

Image Tools

MEDIA

Video & Audio

DEV

Developer Tools

DOCS

Documents & Utility

MIX

More Tools

MONEY

Finance

All tools process files entirely in your browser · Your data never leaves your device

20 Minute Timer

Twenty minutes is the sleep-scientist-recommended ceiling for a power nap before grogginess sets in, and it also covers a roast-vegetable bake or a timed practice-test section. Run it fullscreen and step away — the alarm handles the watching.

Use it for

Other timers

15 Minute25 MinutePomodoro10 Minute30 Minute5 Minute5 Minute Break3 Minute
← Stopwatch & full Chronograph tool