Device & Productivity

Test your screen, keyboard and mic, and keep timers and counters one click away.

Typing Test
Measure your typing speed in WPM with live accuracy, errors and time — right in your browser.
World Clock
See the current local time in major world cities at a glance, live-updating every second and fully daylight-saving aware.
CPS Test
Measure how fast you can click — your clicks per second (CPS) — with a live countdown and an instant speed rating, right in your browser.
Pomodoro Timer
Run the classic 25/5/15 Pomodoro cycle right in your browser — a large countdown, automatic focus and break phases, and a running count of completed sessions.
Online Countdown Timer
Set any hours, minutes and seconds and count down instantly — opens in a second, no sign-up, and runs entirely on your device.
Invoice Generator
Free, no-login invoice maker that builds a print-ready PDF right in your browser — add line items, tax, and a discount and watch the subtotal, tax, and total update live. Your data never leaves your device: no upload, no account, and no watermark on the PDF.
Online Notepad
A distraction-free notepad that autosaves to your browser as you type — no sign-up, nothing uploaded.
Keyboard Tester
Test every key on your keyboard and instantly spot dead, sticky, or ghosting keys.
Online Stopwatch
Start a precise count-up stopwatch with lap splits — free, private, and instant in your browser.
Online Alarm Clock
Set a browser alarm for any time, with a live clock and a loud on-screen ring plus sound.
Label Maker
Lay out and print custom labels on US Letter or A4 paper in your browser.
Receipt Maker
Create a clear paid receipt with itemized totals, tax, discount, tip, tendered amount, and change.
Online Scoreboard
Keep two team scores with clear +1, +2, +3, subtract, single-team reset, and confirmed full reset controls.
Gantt Chart Maker
Turn 2 to 30 task,start,end rows into a deterministic UTC Gantt timeline and download the exact preview as SVG.
Text To Speech
Read up to 20,000 characters aloud with a browser voice, adjustable rate and pitch, and explicit pause, resume, and stop controls.
Online Whiteboard
Sketch ideas on a responsive private canvas and download a clean PNG.
Screen Light for Video Calls
Turn a browser panel into a simple adjustable fill light for video calls and photos.
Online Tally Counter
Count repeated events by local calendar day, then export a private PNG or CSV history.
To-Do List
Keep a simple private task list in this browser, mark work complete, and return later without creating an account.
Break Reminder
Run a simple repeating work-and-break schedule in the current tab with explicit interval, break length, and missed-timer correction.
Double Click Test
Measure the browser-event interval between two clicks and compare the latest, best, and average result across up to fifty pairs.
Key Press Counter
Count keydown events inside a focused capture area, inspect per-key frequencies and recent labels, and optionally include held-key repeats.
Mouse Scroll Test
See whether browser wheel events arrive in every direction, with exact event counts and raw horizontal and vertical deltas.
Mouse Tester
Check which MouseEvent.button codes the browser receives for primary, auxiliary, secondary, back, and forward buttons.
Online Clock
Display this device's local time as a live analog and digital clock with 12/24-hour, seconds, date, zone, and fullscreen controls.
Reaction Time Test
Measure the interval between a browser's visual go signal and your press, with exact recent, best, and average millisecond results.
Dead Pixel Test
Inspect a display against eight exact solid sRGB CSS colors, using fullscreen, click, Space, or arrow navigation without uploads.
Screen Resolution Checker
Read the screen, available area, viewport, outer window, device pixel ratio, and estimated backing-store pixel dimensions reported by this browser.
What Browser Am I Using
See the browser brands, platform, mobile hint, language, cookie setting, and raw user-agent string that this browser chooses to expose.
Year Progress Tracker
Track the current local year's elapsed percentage, whole 24-hour periods, and remaining-day ceiling from this device's clock.
Letterhead Generator
Create a clean company letterhead SVG with validated contact details, an accent rule, safe text escaping, and a matching downloadable preview.
Shift Schedule Generator
Turn employee and shift lists into a balanced rotating schedule with exact dates, assignment totals, an on-page table, and a CSV download.
Keep Screen On
Request a browser screen wake lock locally while you read, cook, present, or follow a task.
Tasbih Counter
Keep a private local tasbih count with 33 or 99 targets, daily history, and PNG or CSV export.
Workout Rep Counter
Record completed workout sets and reps by day with an optional rest timer, PNG, and CSV export.
Daily Habit Counter
Use preset habit labels, see a local-calendar streak, and export a private daily record.
Knitting Row Counter
Track knitting rows and linked pattern repeats by day, then export your private project record.
Multi Counter
Name several counters, compare them side by side in one daily record, and export the local comparison.
People Counter
Record entries and exits separately, see the current count, and flag a user-set operational capacity threshold.
Auto Counter
Run a private start, pause, and resume interval counter that reconciles delayed browser ticks into local daily history.
Days Since Counter
Save a named past start date and private Gregorian calendar-day snapshots instead of manually incrementing a number.
Water Intake Counter
Record private daily cups against a target you choose yourself, without a prescribed amount or medical claim.
Basketball Scorekeeper
Record separate 1-, 2-, and 3-point events for two teams with period-local team fouls and undoable history, rather than an undifferentiated tally.
Golf Scorecard
Build a private per-hole golf card with course-entered par and stroke index, gross strokes, received handicap strokes, and running net totals instead of a single tally.
Tennis Scorekeeper
Keep a private tennis match score with standard game, deuce, tie-break, set, and best-of-three transitions instead of manually translating a tally.
Chess Clock
Run two mutually exclusive chess clocks with a Fischer increment, reversible clock presses, and a private daily move-press history instead of trying to reconstruct a game from a plain tally.
Debate Timer
Run an editable ordered debate queue with separately named constructive, cross-examination, rebuttal, and rationale slots, plus reversible segment advances and private daily history instead of resetting one generic timer by hand.

About these tools

Every tool in device & productivity runs locally in your browser: files are processed on your device and never uploaded to a server. That makes them fast, private and safe to use with sensitive documents, at work or at home.