About these tools
Practice typing, use focus and interval timers, compare city clocks and calculate dates in your browser.
Processed in your browser
Graphite builds tools that work without an account. File conversion, calculations and games run in your browser rather than an input-processing server.
Design and operation
The sites are served as static assets on Cloudflare and are configured to support operation through advertising. Advertising and request data are described in the privacy policy.
Check your result
Supported formats and features vary by device and browser. Keep originals and inspect converted or generated results before using them.
Creator and contact
Graphite provides creator information and public contact links on its about page.
Available tools
- Typing Test — Measure your typing speed and accuracy in English or Korean.
- Pomodoro Timer — A focus timer with short and long breaks, a task label and a daily session count.
- Ambient Sounds — Mix rain, waves, wind, fire, a fan and colored noise into your own background sound.
- Breathing Exercise — Follow an animated circle for box breathing, 4-7-8 or coherent breathing.
- Stopwatch & Lap Timer — Measure elapsed time, pause and resume, and export lap records as CSV.
- Countdown Timer — Set a duration from one second to 24 hours and count down with pause and resume.
- Interval Timer — Alternate work and rest periods for a chosen number of rounds.
- Reading Time Calculator — Estimate reading time with separate word and Korean/CJK character speeds.
- World Clock — Compare current local times across selected cities, including their UTC offsets.
- Days Between Dates Calculator — Count calendar days between two dates, optionally including both the start and end date.
- ISO Week Number Calculator — Find the ISO week year, week number and Monday-to-Sunday range for a date.
- Date and Time Countdown — Track days, hours, minutes and seconds until a date in your device’s local timezone.