Duration Calculator

Find the length of your audio files quickly and accurately.

Drag & Drop your audio file (MP3, WAV, etc.)
or click to browse

Why use Duration Calculator?

Find the length of your audio files quickly and accurately.

Extremely Fast

Files are processed directly in your browser. No server upload means less waiting and lower bandwidth use.

100% Secure & Private

Your audio stays on your device. We use client-side technology so your content is not uploaded to our servers.

Quick, focused results

Get duration, tempo, tags, or other insights without sending your files to a remote server.

Mobile friendly

Use Duration Calculator on any device (phone, tablet, or desktop) without installing an app.

How to use Duration Calculator

Find the length of your audio files quickly and accurately. Follow these steps to get started.

1. Add your file

Upload the track you want to analyze or tag, or use the tool’s input as described on screen.

2. View or edit details

See duration, BPM estimates, metadata, or other results directly in the workspace.

3. Apply or save

Download an updated file or copy the information you need, depending on what this utility offers.

All Audio Tools

Discover our full suite of premium online audio editors.

View all 22 tools

Our User Reviews

"I was skeptical of browser audio tools until Duration Calculator. It changed my mind."

C

Chris Walsh

Radio Host

"For teaching, Duration Calculator is perfect: students can run it on school laptops without installs."

J

James Khan

Streamer

"Privacy matters for my clients. With Duration Calculator, processing stays local and that’s a huge relief."

C

Chris Park

Composer

FAQs

Yes. Duration Calculator is offered as a free in-browser tool. There are no mandatory subscriptions to try it out.
Rate this tool-/5