NoCloud Media

Audio tool

Audio Volume Changer

Pick a volume multiplier, hit apply, download. Your file never leaves your browser.

How it works

  1. 1

    Drop your audio file

    MP3, WAV, OGG, M4A, AAC, or FLAC. Stays on your device.

  2. 2

    Pick a multiplier

    0.25x and 0.5x make it quieter; 1.5x, 2x, and 3x make it louder. We keep the same format unless you pick a new one.

  3. 3

    Apply and download

    Processing runs in your browser via WebAssembly. Nothing uploads.

Why use Volume changer?

Fix audio that's too quiet or too loud without opening a DAW or installing software.

Private — your file never touches our servers, which matters when the audio is personal.

Predictable — multipliers apply uniformly across the whole file, so relative dynamics are preserved.

Common use cases

  • Boost a quiet voice memo to a usable level
  • Turn down a clip that's too loud for a podcast mix
  • Normalize levels across multiple recordings before editing
  • Make a low-volume interview louder for easier transcription
  • Create a quieter background version of a song
  • Prepare reference audio at a specific loudness

About MP3 and MP3

Volume multipliers scale the amplitude of each audio sample linearly. 2x is roughly +6 dB, 0.5x is roughly −6 dB. Values above about 1.5x on already-loud source material risk clipping: once samples exceed the maximum representable amplitude, they get clamped and introduce distortion. For moderately quiet sources, 1.5x or 2x usually stays safe; for audio that's already near the ceiling, favor the 0.5x side to create headroom instead.

Frequently asked questions

Is my file uploaded to a server?
No. NoCloud Media changes your audio's volume entirely in your browser using WebAssembly. Your file never leaves this tab.
Why does 2x sometimes sound distorted?
Because the source was already close to the maximum level. Multiplying loud samples above the ceiling clips them, which sounds harsh. Try a smaller multiplier, or first reduce the volume with 0.5x before applying other processing.
Will this change the audio's pitch or speed?
No. Only the amplitude changes. Pitch and length are preserved exactly. If you want to change speed with or without pitch, use the video speed changer (coming soon for audio as well).
Is the output re-encoded?
Yes — changing volume modifies every sample, which requires re-encoding. Lossy formats (MP3, OGG, M4A) use a 192 kbps default bitrate. Lossless formats (WAV, FLAC) stay bit-perfect relative to the volume-adjusted signal.
Which browsers are supported?
Chrome, Edge, Firefox, and Safari 15+. We require WebAssembly and SharedArrayBuffer, both standard in modern browsers.

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