Potenciador de Volume

Boost or reduce audio volume level

100% gratuito. Funciona totalmente no seu navegador: seus arquivos e dados nunca saem do seu dispositivo e nada é enviado para nenhum servidor.

volume_up

Drop an audio file or click to upload

MP3, WAV, OGG, FLAC, AAC · max 100 MB · max 10 min

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Sobre esta ferramenta

Raising the volume of a recording sounds simple and has a hard limit built into how digital audio works. Every sample has a maximum value, and once the loudest peaks reach it there is nowhere further to go - pushing harder does not make those peaks louder, it flattens their tops. That flattening is clipping, and it sounds like harsh crackling distortion that cannot be removed afterwards. So a quiet recording with a few loud peaks may have very little usable headroom, even though most of it sounds too soft. This is why professional audio uses compression before amplification: reducing the gap between loudest and quietest first, so the whole thing can be raised without the peaks hitting the ceiling. For a straightforward boost, the practical approach is to raise gradually and listen to the loud moments rather than the quiet ones. Processing runs in your browser, with a server fallback only for formats it cannot decode locally.

Fluxo de trabalho

Limpe uma faixa de voz gravada

Grave, corte os silêncios, nivele e depois exporte no formato que precisa.

  1. 1GravarCapture direto do seu microfone.Abrir
  2. 2CortarReduza para a tomada que você quer.Abrir
  3. 3Remover silêncioElimine as pausas longas entre frases.Abrir
  4. 4Nivelar o volumeDeixe uma gravação baixa em um nível utilizável.Você está aqui
  5. 5Converter formatoMP3, WAV ou o que o destino exigir.Abrir

Como usar esta ferramenta

  1. Add your audioProcessed in your browser. Only an unsupported format falls back to the server.
  2. Set the volume adjustmentUp to boost a quiet recording, down for one that is too loud.
  3. Listen to the loudest partsThat is where clipping appears first - the quiet sections will always sound fine.
  4. Reduce and retry if it distortsClipping is permanent in the exported file, so back the boost off rather than accepting it.

Por que usar

  • Fixes a recording that is too quiet to hear without a full audio editor.
  • Works in both directions, for over-loud files as well as quiet ones.
  • Original file untouched, so you can try a different level.
  • No account, no watermark and no software to install.
  • Simple single-purpose control rather than a complex mixing interface.

Usos comuns

  • Rescuing an interview or lecture recorded too far from the microphone.
  • Making a quiet voice memo audible on a phone speaker.
  • Bringing a track down to match the level of others in a set.
  • Raising a video's extracted audio before re-syncing it.
  • Balancing levels across a set of recordings made at different times.

Dicas para melhores resultados

  • Increase gradually and check the loud passages. Judging by the quiet parts is how people end up with a clipped file.
  • If the recording has a few very loud peaks, there is less headroom than the overall quietness suggests.
  • Keep the original. Clipping cannot be undone once it is baked into the exported audio.
  • Background hiss gets amplified along with the voice - if it becomes obtrusive, the Silence Remover may help more than more gain.
  • For a recording where quiet and loud parts differ wildly, a full editor with compression will beat a simple boost.

Erros a evitar

  • Boosting until it sounds loud enough on quiet passages, which clips every loud moment.
  • Assuming distortion can be repaired later. Clipped peaks are gone from the file permanently.
  • Overwriting the original with a clipped version.
  • Expecting a boost to improve clarity - it raises noise and voice equally.
  • Trying to fix a badly recorded source with volume alone when re-recording would be quicker.

Perguntas frequentes

Yes - pushing volume significantly beyond the audio's natural headroom can introduce clipping/distortion, since there's a ceiling to how loud audio can go before it starts to sound harsh or broken.

Yes - the tool adjusts volume in either direction, whether you need a quieter or louder result.

No. It raises everything equally, including background hiss, hum and microphone noise. A quiet recording becomes a loud noisy recording rather than a clean one - the underlying problems need addressing separately.

Digital audio has a hard maximum level. Pushing peaks past it flattens their tops instead of making them louder, which sounds like harsh crackling. It cannot be repaired afterwards, because the information is simply not in the file - the only fix is to boost less and export again.

Because it probably contains a few loud peaks. Headroom is set by the loudest moment, not the average, so a recording that sounds quiet overall can still be close to the ceiling.

Normally no - the adjustment is applied in your browser, so recordings stay on your device. Only a format your browser cannot decode falls back to server processing, and that file is discarded after the job.

Yes. Volume Booster is free for normal use with no account required, and ToolBox does not add a watermark to your result.

Most tools in this category run in your browser so the file stays on your device. If a tool needs a temporary server job, files are handled for that job only and are not kept as a lasting archive.

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