Stopwatch
Stopwatch — a free timers tool in the Tools4U Date & Time collection.
Workspace
ReadyOnline Stopwatch
00:00:00.00
Lap Times
Free online Stopwatch
Stopwatch — a free timers tool in the Tools4U Date & Time collection. The Tools4U Stopwatch is part of our Date & Time collection of Timers utilities. It works online in any modern browser — no download, no sign-up and no file upload, so your data never leaves your device.
How to use
Using Stopwatch in three steps
-
1
Add your input
Paste text, drop a file, or type directly into the workspace.
-
2
Run the tool
Choose the options you need and press the action button.
-
3
Copy or download
Take the result with one click — nothing is stored anywhere.
Features
Why people use this tool
Instant results
Everything runs locally, so results appear as you type.
Privacy-first
Your input never leaves the browser. No uploads, no logs.
Handles big inputs
Comfortable with large files and long documents.
Always free
No account, no limits, no watermark on results.
FAQ
Frequently asked questions
Is Stopwatch free to use?
Is my data uploaded to a server when I use Stopwatch?
Can I use Stopwatch on mobile?
Do I need to install any software to use Stopwatch?
Keep going
Related tools
People using Stopwatch often open these next.
Countdown Timer
Countdown Timer — a free timers tool in the Tools4U Date & Time collection.
Age Calculator
Work out Age in seconds with a clear, step-by-step breakdown.
Date Difference
Date Difference — a free calculators tool in the Tools4U Date & Time collection.
Days Between Dates
Days Between Dates — a free calculators tool in the Tools4U Date & Time collection.
Missing a tool you need?
Tell us which tool you'd like to see on Tools4U. We review suggestions and prioritise requests that can help the most users.