Audio & Video StudiosRuns locally in your browser · No signup

Audio & Waveform Studio

Decode and trim audio on an interactive waveform, apply fades and peak normalization, export 16-bit PCM WAV, inspect FFT spectrum & dBFS loudness, synthesize tones/noise, and run a precision metronome.

100% Local Browser Engine · Zero Uploads5 Workspaces

Waveform Trimmer, Mic & WAV: Decode or record audio locally, drag trim markers on the waveform, auto-trim silence, reverse/normalize/downmix, and export 16/24/32-bit WAV.

Drop an MP3, WAV, OGG, M4A, or FLAC file — record from your mic — or load a demo chord.

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What is Audio & Waveform Studio?

Audio Studio is a multi-mode Web Audio API workspace for trimming MP3/WAV/OGG/M4A/FLAC clips with fade envelopes and 16-bit PCM WAV export, measuring Peak/RMS dBFS loudness, synthesizing reference tones or Pink/Brown noise, and running a drift-free metronome.

How to use Audio & Waveform Studio in 3 steps
  1. 1

    Load a local audio file or demo chord

    AudioContext decodes your file directly in browser RAM and renders a stereo waveform.

  2. 2

    Trim, analyze, or synthesize

    Set start/end seconds, fades, and -0.3 dBFS peak normalization, or switch to Synth / Metronome modes.

  3. 3

    Preview or export 16-bit PCM .wav

    Audition instantaneously and save lossless RIFF WAVE files locally.

Key features and benefits
  • Exports clean 16-bit PCM .wav files with fade-in/out and peak normalization.
  • Includes Paul Kellet -3 dB/octave Pink noise, Brown noise, pure oscillators, and BPM → ms delay tables.
Common use cases

Trimming podcast intros or voice memos privately without cloud uploads.

Generating 440 Hz / 1 kHz calibration tones or Pink noise WAV loops.

Why browser-based works better

Audio & Waveform Studio consolidates related audio & video studios workflows into one cohesive, multi-mode browser studio — eliminating tab-hopping across fragmented single-purpose tools.

Every mode executes locally using Web APIs and audited client-side libraries, so private files, tokens, and source code never leave your device.

Audio & Waveform Studio FAQs

Quick answers about the workflow, privacy, and where this tool fits in a broader job.

Are voice recordings uploaded to any server?

Never. Decoding, waveform visualization, metering, and WAV encoding execute 100% in local browser memory.

Keep the workflow moving with nearby tools that solve the next likely step.

Built and maintained by

Free AI Tools Engineering Team

Browser Tooling & Web Platform Engineering

Last updated:

Tested in Chrome, Firefox, and Safari on desktop and mobile.

Video demo

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