Free Online Tools

Record audio directly from your microphone in the browser. Save as WAV or MP3. No software needed.

Trim audio files by setting start and end points. Visual waveform editor. Supports MP3, WAV, OGG.

Merge multiple audio files into one. Drag to reorder. Supports MP3, WAV, OGG formats.

Increase or decrease the volume of any audio file. Preview before downloading.

Change the playback speed of audio files from 0.25x to 4x without changing pitch.

Shift the pitch of audio files up or down without changing speed. Great for music practice.

Reverse any audio file and play it backwards. Download the reversed version.

Visualize audio waveforms in real time. Upload a file or record live. Multiple visualization styles.

Digital metronome with adjustable BPM, time signatures, accent patterns, and tap tempo.

Tune your instrument using your device microphone. Supports guitar, bass, ukulele, violin, and chromatic tuning.

Generate pure sine, square, triangle, and sawtooth waves at any frequency from 20Hz to 20kHz.

Generate white, pink, and brown noise for focus, sleep, or relaxation. Timer and volume controls.

Generate binaural beats for meditation, focus, sleep, and relaxation. Choose base frequency and beat frequency.

Generate DTMF (phone dial) tones. Click number pad or type a phone number to play the tones.

Convert text to Morse code audio and play it. Adjustable speed (WPM) and frequency.

Multi-voice text to speech with speed, pitch, and volume controls. Download as audio file.

Detect the BPM (beats per minute) of any audio file. Also includes manual tap-tempo mode.

10-band audio equalizer for uploaded files. Preset modes (bass boost, vocal, etc.) and custom EQ.

View the spectrogram of any audio file. Real-time frequency analysis with color-coded visualization.

Count claps, taps, or beats from your microphone in real time. Adjustable sensitivity threshold.