SMALL TOOLS. BIG IDEAS.

Online tools
for your everyday life.

Less distraction. More possibilities.

A useful helper need not be complicated. Discover tools for focused moments, new routines and messages that find their place in the world.

Made for your browser. Styled your way.

A MOMENT FOR YOU
FOCUS25:00One thing at a time.
◷ Time to focus↗ Space for ideas

Sometimes less is just right.

THE JACKTOOLS.NET FAMILY

Online tools for time, focus and relaxation

Choose your helper – right in your browser, no sign-up.

TIME & DATE

Online clock with date

Display the time with analogue, digital or flip digits. Choose your date, time zone and design – for your desk, kitchen or classroom.

  • Analogue, digital or animated flip digits
  • Calendar sheet and other date displays
  • Time zones, focus view and optional screen wake lock
Open online clock

Free · no account · right in your browser

TIMING & LAPS

Online stopwatch with lap times

Measure elapsed time, record laps and compare lap and total times. For exercises, study tasks and small experiments.

  • Start, pause and resume without losing time
  • Copy lap times or export them as CSV
  • Analogue, digital or combined display and focus view
Open stopwatch

Free · no account · right in your browser

CALCULATE & UNDERSTAND

Online calculator with calculation tape

Keep track of your calculations. Each step uses the previous result and can be named, edited, moved or disabled.

  • Calculate percentages, markups and taxes
  • Edit steps and automatically recalculate results
  • Save calculations as files, reopen or print them
Open calculator

Free · no account · right in your browser

BREATH & CALM

Breathe – breathing exercises online

Breathe accompanies your quiet break with a gentle breathing rhythm. Follow the growing and shrinking circle at your own pace, without pressure.

  • Box breathing, 4–7–8 and other adjustable patterns
  • Optional breathing noise and gentle phase cues
  • Focus view, fullscreen and optional screen wake lock
Open breathing exercises

Free · no account · right in your browser

Only breathe as feels comfortable. A relaxation tool, not a medical service.

SOUND & RELAXATION

Relax – nature sounds and soundscapes

Create your own soundscape. Gentle instruments and nature sounds meet calm, colourful animations – listen, watch and unwind.

  • Seven instruments: from wind chimes to singing bowls, harp and gong
  • Combine rain, wind, noise, campfire and ocean sounds
  • Sound presets, individual volumes and switchable animations
  • Focus view and sleep mode with a gentle timed fade-out
Open nature sounds

Free · no ads · no tracking · right in your browser

Listen quietly and comfortably. A relaxation tool, not a medical service.

MUSIC & RHYTHM

Online metronome with tap tempo

Practice your tempo and sense of rhythm with a metronome you can hear and see. Choose your accents and subdivisions for instrumental, vocal and rhythm practice.

  • 20–300 BPM, tap tempo and 1–12 beats per bar
  • Orbit, pendulum, beat strip and bouncing ball
  • Gap practice with audible and silent bars
  • Focus view with optional static backgrounds
Open metronome

Free · no account · right in your browser

PLACES & MESSAGES

MessageDrop – messages on the map

The world has stories to tell. Leave messages at real places on a global map and discover what others share there.

Open MessageDrop

Free · no account · right in your browser

THE IDEA BEHIND IT

Tools should help.
Not get in your way.

We like clear interfaces, useful features and the freedom to do things your way. You can customise this page too: find colour, style, light or dark mode and font size in the settings menu above.

01 / SIMPLE

Less clutter.

The essentials come first, so you can quickly find what you need.

02 / PERSONAL

Just the way you like it.

A calm design that adapts to your preferences.

03 / CURIOUS

Always room for ideas.

Small thoughts can become useful tools. We stay curious.

JACKTOOLS.NET / PRIVACY

Your browser. Your choice.

This homepage uses no analytics or tracking scripts. Saving display preferences is optional and disabled by default. Preferences are not sent to us.

You can delete the locally saved preferences for this homepage here. Settings for the tools are not affected.