Fast and Free Online Audio Tools

Professional-grade tools for musicians, DJs, producers, and audio enthusiasts. No installation required.

60+ Free Tools
100% Browser Based
0 Downloads Required

Explore Our Tool Categories

DJ & Music Production

BPM calculator, tap tempo, key finder, pitch shifter, tempo changer, and more tools for DJs and producers.

18 Tools

Audiobook Tools

Simple online tools for calculating audiobook listening time, progress, and finish dates at different speeds.

4 Tools

Speaker Tools

Free online calculators for speakers, amplifiers, and audio system design

31 Tools

Music Theory

Metronome, scale finder, chord identifier, melody generator, and educational music tools.

10 Tools

Pitch Detector Tools

Guitar tuner, vocal range finder, frequency converter, cents calculator for precise pitch analysis.

5 Tools

Sound Analysis

Spectrum analyzer, decibel meter, loudness meter, waveform visualizer for audio analysis.

6 Tools

Audio Editing

Audio trimmer, loop generator, merge audio, channel splitter for editing tasks.

5 Tools

Most Popular Tools

BPM Calculator

Calculate beats per minute

Guitar Tuner

Tune your guitar online

Online Metronome

Keep perfect time

Tap Tempo

Find BPM by tapping

Vocal Range Finder

Discover your range

Song Key Finder

Find musical keys

Why Choose DiamondAudioCity?

100% Browser Based

No downloads or installations. All tools work directly in your browser.

Completely Free

All tools are free to use with no hidden fees or subscriptions.

Mobile Friendly

Works on any device - desktop, tablet, or smartphone.

Privacy First

Your audio stays in your browser. We don't store your files.

Music Production

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