Professional
mastering for everyone.
With Beatzucker: Fast, free, studio quality.
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100% free · 10 masters per day · No credit card required
Studio results without the studio setup.
It's the same signal chain professional studios run, just one click away.
Adaptive Audio Analysis
The engine measures energy, dynamics, spectrum and stereo image, then derives reproducible mastering parameters from those measurements.
- ✓Preset adaptation
- ✓Spectral analysis
- ✓Dynamic range measurement
- ✓BPM & key detection
A Professional Signal Chain
A 12-stage chain built on Spotify's Pedalboard, pyloudnorm (ITU-R BS.1770-4) and multiband compression — proven building blocks for professional audio processing.
- ✓Correction EQ
- ✓Multiband compression
- ✓M/S processing
- ✓True Peak limiting
A Format for Every Purpose
Your finished master is ready in every common professional format — WAV 32-bit float for archiving, MP3 for streaming, or FLAC for distribution.
- ✓WAV 32/24/16 bit
- ✓FLAC lossless
- ✓MP3 320kbps
- ✓AAC 256kbps
Your track – before & after
Switch between the original and master to see how loudness, dynamics and frequency balance change.
Adaptive master
Straight from the community
A few notes from people who've already run their tracks through Beatzucker.
“Honestly didn't expect an automated tool to get anywhere close to a real mastering job. First export changed my mind fast — suddenly my track had that punch you usually only hear on big-budget releases.”
“I'm a songwriter, not an engineer — studio time was always a budget problem for me. Now I upload, wait a few seconds, and get a master I couldn't have afforded otherwise.”
“What sold me was the built-in A/B player — no guessing whether anything actually changed. I can hear exactly where the difference sits and dial it in until the master feels like mine.”
“Every demo of mine goes through Beatzucker first. The loudness lands right every single time, nothing starts pumping or clipping — you can tell there's solid DSP work behind it.”
“For a podcast, one thing matters most: consistent volume across every episode. The Spotify and Apple presets nail it immediately — complaints about episodes being too quiet or too loud have basically disappeared.”
“There's rarely time for mastering between studio sessions — with Beatzucker the track's done before my coffee goes cold. It's become a permanent part of my toolkit for fast releases.”