How It Works

1. Upload

Drag and drop your audio or video file. We support MP4, MP3, WAV, FLAC, MOV, MKV, and more.

2. Choose Strength

Select low (2x), medium (5x), or high (10x) amplification. Our server applies professional loudness normalization.

3. Download

Preview the result directly in your browser and download the boosted file. Video quality stays untouched — only audio is amplified.

Why Use LAUDER?

Privacy-First

Your files are processed on our EU-hosted servers and automatically deleted after one hour. We never store or share your media.

No Signup Required

Start using LAUDER immediately. No account, no email, no subscription. Just upload and boost.

All Major Formats

Works with MP4, WebM, MOV, MKV, MP3, WAV, FLAC, AAC, M4A, and other common audio and video formats.

Lossless Video

Video streams are copied without re-encoding. Only the audio track is amplified, preserving original video quality.

Frequently Asked Questions

Is LAUDER really free?

Yes, completely free. LAUDER is supported by ads and provided by Twelve Digital GmbH as a public service. There are no hidden fees or premium tiers.

What is the maximum file size?

You can upload files up to 500 MB. For most audio files and short video clips, this is more than enough.

How long are my files stored?

Processed files are automatically deleted after one hour. We do not keep copies of your uploads or results.

Does boosting volume reduce quality?

For video files, the video stream is copied without re-encoding, so quality is preserved. The audio track is amplified using FFmpeg's professional-grade processing. Very high amplification (10x) on already loud files may introduce clipping.

Where are files processed?

All processing happens on servers hosted in the European Union by Twelve Digital GmbH, a German company. Your data never leaves the EU.

Processing Complete