Audio Tools

MiniWebtool’s Audio Extractor separates a video’s soundtrack into an audio file. Select MP3, WAV, AAC, or OGG, then preview the extracted sound before downloading the result.

Join MP3, WAV, M4A and other audio files into one with MiniWebtool’s Audio Joiner. Put them in order, trim each track, add a crossfade or a pause, make them equally loud and save one MP3 or WAV.

Trim a recording, remove a middle section, or divide it into clips with MiniWebtool’s Audio Splitter. Work from the waveform, listen before saving, and choose the original format or another supported audio format.

Transcribe a recording with MiniWebtool’s Audio to Text Converter. Use an audio or video file, or record directly, then choose browser transcription or AI with speaker labels and export text, SRT, or VTT.

MiniWebtool’s Binaural Beats Generator creates a selected beat difference from 0.5 to 40 Hz. Optionally mix uploaded MP3 or WAV audio with pink noise and fades, then export the resulting WAV on your device.

Click any key on the circle of fifths to see and hear its key signature, scale, chords and related keys, find the key of a song from its chords, and print a clean chart with MiniWebtool’s Circle of Fifths.

Tune your guitar, bass or ukulele online with MiniWebtool’s Guitar Tuner: play a string and the needle shows if it is too high or too low, or tap a string to hear its note. Standard, Drop D, open and more tunings.

Check an input device with MiniWebtool’s Mic Test. Live level, waveform, and spectrum displays accompany a health check for noise floor, speech level, clipping, and signal-to-noise ratio, plus record-and-playback testing.

Practice a difficult audio passage with MiniWebtool’s MP3 Looper. Position A and B markers on the waveform, adjust playback speed, preview the repeated section, and export an MP3 loop.

Hear a recording backward using MiniWebtool’s MP3 Reverser. Upload an MP3 up to 10 MB, inspect the original and reversed waveform previews, then download the reversed audio.

Tap along with music in MiniWebtool’s Music BPM Tapper to estimate its tempo. Live BPM, beat intervals, and a stability view help you see whether your taps have settled into a consistent rhythm.

Move a chord sheet into a different key using MiniWebtool’s Music Key Transposer. Choose original and target keys to transpose supported chords, slash chords, and note names while retaining surrounding lyrics.

Keep perfect time with MiniWebtool’s Online Metronome: set any tempo from 40 to 240 BPM, tap a tempo, accent or mute beats, add eighths or triplets, and let the speed trainer raise the tempo as you practise.

Record your voice online with any microphone using MiniWebtool’s Online Voice Recorder, cut the start and end, and save it as MP3 or WAV. Recordings are kept safe on your device as you go, and you can turn them into text in one click.

Change the pitch of a song or recording without changing its speed using MiniWebtool’s Pitch Shifter, or slow it down without changing the key. Hear every change live, then save an MP3 or WAV in the key and tempo you need.

Reduce unwanted sound with MiniWebtool’s Remove Background Noise from Audio & Video. Browser-side AI processing targets noise such as fans, traffic, and room chatter, with before-and-after comparison before downloading the result.

Play a realistic virtual piano in your browser with MiniWebtool’s Virtual Piano using mouse, touch or keyboard. Switch between piano, electric piano, organ and synth voices, turn on sustain, follow falling notes to learn songs, and record.

Remove vocals from any song with MiniWebtool’s Vocal Remover to get a karaoke instrumental, or keep only the vocals as an acapella. Preview before you download, also split drums and bass, and nothing is uploaded.

MiniWebtool’s 🔊 Tone Generator creates browser-played tones from 1 Hz to 20,000 Hz. Choose waveforms or note presets, inspect waveform and spectrum displays, and explore frequency sweeps or binaural-beat modes.