Calculate uncompressed PCM, WAV, AIFF, FLAC, and MP3 audio file size from sample rate, bit depth, channel count, and duration. Analyze Nyquist frequency and dynamic range.

Resample audio sample rates online between 44.1 kHz, 48 kHz, 88.2 kHz, and 96 kHz using browser sinc interpolation. Fix video audio drift and export WAV.

Reverse audio files online backwards in your browser. Create reverse cymbal swells, backward speech effects, and download reversed WAV audio.

Change audio pitch online without changing tempo. Transpose songs by semitones and cents with Web Audio pitch shifting and WAV download.

Remove background noise, microphone hiss, air conditioner hum, and room noise from audio recordings online free with Audio Noise Reducer.

View and edit audio metadata tags (Title, Artist, Album, Year, Genre, Track #) in MP3 and audio files online directly in your browser.

Merge and combine multiple audio files and songs into a single continuous track with custom crossfades online free with Audio Merger.

Create seamless audio loops online with equal-power crossfading, zero-crossing boundary snapping, tempo beat matching, and lossless WAV export client-side.

Detect the musical key, scale (Major/Minor), Camelot wheel mixing code, and chromagram pitch distribution of any song online in your browser.

Estimate audio file sizes for podcasts, music mastering, and studio multitrack recording sessions across uncompressed and compressed formats.