MAKE AUDIO LOUDER OR SOFTER

Boost Audio Volume Online

Raise the level of quiet audio with a simple gain adjustment, then export it in a practical format. Use this page when the main goal is making a file louder.

✓ -12 dB to +12 dB gain✓ Audio-only workflow✓ Multiple output formats

✓ No account required✓ Live progress✓ Automatic cleanup

Converter readyUp to 400 MB per request • 250 MB per file

250 MB per file400 MB per request45 min max video~30 min auto-delete

Drop audio files here or click to browse from your device No files selected MP4, MOV, MKV, AVI, WebM, MP3, WAV, FLAC, M4A, AAC, OGG, OPUS + more

Convert to Recommended MP4 is recommended for broad video compatibility.

Output quality

Highlarger file Balancedrecommended Smallermore compression

Smart output: MP4Best overall compatibility for video playback and sharing.

Size depends on source

Volume settingsFine-tune the output

Maximum resolutionNever intentionally upscales; server limit: 1080p. Audio bitrateUsed by compressed audio outputs and video audio tracks. Sample rate48 kHz is common for video production. Output filename

.mp4

Available for single-file conversion. Trim startOptional HH:MM:SS or seconds. Trim endLeave blank to convert to the end. Remove audioCreate silent video output. Gain adjustmentLarge positive gain can clip loud peaks.

✓ Format-aware settings✓ Live queue progress✓ Files expire after ~30 min

WHY USE THIS TOOL

Make quiet audio louder quickly

Use a fixed gain boost when speech, music or a recording is noticeably too quiet. This increases signal level but is not the same as loudness normalization.

Boost quiet speech

+3 or +6 dB can be a practical starting point for a recording that is simply too quiet.

Reduce loud audio

Negative gain lowers the whole signal when a file is consistently too loud.

Watch for clipping

Large positive gain can distort peaks that are already near full scale.

HOW IT WORKS

How to change audio volume

1
Upload an audio file
Choose MP3, WAV, FLAC or another supported audio source.
2
Choose a gain amount
Use a small positive value to boost or a negative value to reduce volume.
3
Convert and download
The gain filter is applied while creating the new audio file.

Good to know

Boosting gain can clip loud peaks. If the source is already close to maximum level, a smaller increase is safer.

RELATED TOOLS

More Ways to Work With Your Media

Use a focused tool when you know the task, or open the universal converter for full format control.

QUICK ANSWERS

Audio Volume Changer FAQ

What does +6 dB mean?

It applies a substantial gain increase to the signal. Perceived loudness depends on the source material.

Can I make audio quieter too?

Yes. Negative dB options reduce the signal level.

Does this normalize loudness?

No. This tool applies a fixed gain. Full loudness normalization is a different process.