Aumentador de Volumen

Boost or reduce audio volume level

100% gratis. Funciona completamente en tu navegador: tus archivos y datos nunca salen de tu dispositivo y no se sube nada a ningún servidor.

volume_up

Drop an audio file or click to upload

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

Jump to the next useful tool without leaving your flow.

See more

Acerca de esta herramienta

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.

Flujo de trabajo

Limpia una pista de voz grabada

Graba, elimina los silencios muertos, nivélala y luego expórtala en el formato que necesites.

  1. 1GrabarCaptura directamente desde tu micrófono.Abrir
  2. 2RecortarRecórtala a la toma que quieres.Abrir
  3. 3Eliminar silenciosElimina las pausas largas entre frases.Abrir
  4. 4Nivelar el volumenSube una grabación baja a un nivel utilizable.Estás aquí
  5. 5Convertir formatoMP3, WAV o lo que necesite el destino.Abrir

Cómo usar esta herramienta

  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 qué usarla

  • 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 comunes

  • 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.

Consejos para mejores 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.

Errores 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.

Preguntas frecuentes

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.

La gente también busca

  • increase audio volume online
  • make quiet recording louder
  • audio volume booster free
  • fix quiet voice recording
  • normalize audio online
  • what is audio clipping
  • boost mp3 volume

Related guides