Browser tools that
actually process audio.
Equalize, trim, merge, normalize, stretch, and analyze tempo or key — all with local DSP. No account and no upload to our servers for these tools.
Edit audio
Audio Equalizer
Shape frequency balance with an 8-band equalizer that runs entirely in your browser.
Explore →Audio Trimmer
Cut a long recording down to the exact section you want to keep or analyze.
Explore →Audio Merger
Combine several clips into one continuous file for sharing or recognition.
Explore →Audio Normalizer
Raise or balance loudness with peak or RMS normalization — no upload to a server.
Explore →Speed & Pitch
Change playback speed and shift pitch in semitones for practice or cleaner matching.
Explore →Noise Reduction
Reduce steady background noise with a simple spectral gate that runs entirely in the browser.
Works offline Explore →Audio Compressor
Control dynamics with threshold, ratio, attack, release, and makeup gain — entirely in your browser.
Works offline Explore →Media Converter
Convert audio or video files to WAV in your browser — decode locally and download PCM.
Works offline Explore →Analyze audio
BPM Detector
Estimate tempo from an audio file using onset detection and autocorrelation in the browser.
Explore →Key Detector
Estimate musical key and scale from a clip using chroma analysis — fully local.
Explore →Chord Detector
Estimate chord sequences from a clip using chroma analysis — fully local in the browser.
Works offline Explore →Mood Detector
Guess high-level mood labels from tempo, energy, and spectral balance — a local heuristic.
Works offline Explore →Audio to MIDI
Convert a monophonic melody into a simple MIDI file using pitch tracking in the browser.
Works offline Explore →Playlist Analyzer
Batch-analyze multiple tracks for estimated BPM, key, and loudness — all in the browser.
Works offline Explore →