Free Online Audio Volume Booster
Boost audio volume up to 300% or auto-normalize to broadcast loudness (EBU R128). 100% browser-based — no upload, no watermark, no signup.
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Boost Your Audio Volume
Upload an audio file, pick a boost level or auto-normalize, then download the result.
Drop your audio file here
or click to browse
MP3, WAV, OGG, FLAC, AAC, M4A and more
Done editing? Let AI do the reading
Your file is ready — now turn it into something you can search, quote, and share in one click.
Features
Rescue Quiet Recordings — or Match Broadcast Loudness
Boost from 50% to 300%, or let auto-normalize balance the track to -16 LUFS like Spotify, YouTube, and major podcast platforms.
6 Volume Presets
50%, 100%, 150%, 200%, 250%, 300% — one click each, no manual dB math.
Auto-Normalize (EBU R128)
Auto-normalization targets -16 LUFS with -1.5 dB true peak — broadcast-ready.
Clipping-Safe Boosts
Auto-Normalize mode re-scales peaks so heavy gain doesn't distort the output.
Perfect for Podcasts, Meetings, and Music
Whether you're fixing a quiet interview or mastering a track, pick the right gain in one click.
Podcast Leveling
Even out loudness across episodes so listeners never touch their volume knob.
Voice Recording Fix
Rescue quiet meetings, lectures, or interviews by boosting volume up to 3x.
Music Mastering
Normalize track volume before mixing or sharing — consistent loudness across every file.
100% Private & Free
All processing runs in your browser. Audio never leaves your device.
No Server Upload
Files are processed entirely on your device — nothing is uploaded.
Multiple Formats
Input: MP3, WAV, AAC, OGG, FLAC, M4A and more. Output: MP3 or WAV.
Instant A/B Compare
Preview original and boosted output side-by-side before you download.
Loved by creators, students & researchers
Why people use BibiGPT to turn videos into text every day.
Trusted by 50,000+ users worldwide
“I paste a link and get clean captions in seconds — it saves me hours of retyping every single week.”
Maya R.
Content Creator · Repurposes short videos
“Exporting the transcript lets me review new words at my own pace instead of pausing the video constantly.”
Daniel K.
Language Learner · Studies with real videos
“Accurate, timestamped text I can quote directly. It has quietly become part of my daily workflow.”
Priya S.
Researcher · Cites public talks
FAQ'S
Frequently Asked Questions
Ask us anything!
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Need more than 1 boost a day?
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