STATUS: FREE PLAN
LIMIT: 3 / 3 WEEKLY REMAINING

Free Spotify Loudness Checker.

Know your numbers. Take CTRL.

Free audio analyzer — entirely in your browser. No uploads. No signup. 100% client-side.

Drag and drop your audio file

WAV, MP3, M4A, OGG

A/B REFERENCE COMPARATOR

Compare two masters side-by-side

Drop your mix in Slot A and your reference in Slot B. Audition in real-time with the A/B crossfader.

SLOT A: TRACK / MIX 1
SLOT B: REFERENCE / MASTER 2

02. ENGINE FEATURES

Precision technology for your masters

Monitor the behavior of your mastering according to international standards

Integrated Loudness (EBU R128)

Calculate the real cumulative integrated loudness of your track. Prevent platforms from dynamically compressing your audio in an undesirable way.

True Peak Estimator (4x Oversampling)

Detect inter-sample peaks that cause clipping distortion when encoding your digital audio into compressed streaming formats (Ogg, AAC, MP3).

Dynamic Range (LRA)

Evaluate the real volume difference in LU units between the most expressive and lowest intensity moments to balance your mix.

Platform & Device Simulation

Listen in real-time to how streaming normalization changes your volume, and audition your mix on simulated phone speakers, car EQs, and more.

03. MEMBERSHIP

Simple, transparent plans

Unleash the true potential of your music without limits

FREE(Status: Active)
$0
  • ✓ 3 Analyses / Week
  • ✓ LUFS & True Peak
  • ✓ 100% Client-Side Processing
  • ✓ Platform & Device Simulation
PRO(Monthly)
$9.99 / mo
  • ✓ Unlimited Analyses
  • ✓ Dynamic Range (LRA)
  • ✓ 100% Client-Side Processing
  • ✓ Platform & Device Simulation
  • ✓ Web Piano Workstation
Subscribe Monthly
BEST VALUE
LIFETIME
$79(One-Time)
  • ✓ Unlimited Analyses
  • ✓ Dynamic Range (LRA)
  • ✓ 100% Client-Side Processing
  • ✓ Platform & Device Simulation
  • 🎹 Concert Grand VST Plugin (Mac/Win)
Get Lifetime Access
WORKSHOP LIVE // MÉTODO SPOTIFY READY EN FL STUDIO

Aprende la ciencia detrás del volumen comercial.

+420 Productores Activos
CTRL AcademyWORKSHOP LIVE • 2.5 HORAS EN DIRECTO

¿Por qué tu mezcla suena brutal en tus audífonos... pero al subirla a Spotify pierde pegada y suena apagada?

No necesitas plugins de $500 ni complicarte la vida. Si tu mezcla suena bien, solo necesitas saber darle el espacio correcto para llevarla a nivel comercial. En este workshop descubrirás los 3 pasos esenciales para lograr un máster potente, limpio y con pegada real.

CTRL Academy Bundle - Toma el Control Método Spotify Ready
Sesión Live 2.5h en FL Studio • Q&A en DirectoGRABACIÓN + ACCESO DE POR VIDA
Impartido por Napoleon (Napbak)Ingeniero de Sonido & Productor con +15 años en DAW DSP
RESERVAR PLAZA • WORKSHOP LIVE
OPEN LOOP: EL MITO TÉCNICO

El mito de los plugins de $500: por qué más plugins no resuelven tu mezcla.

El 95% de los productores intentan levantar volumen saturando el limitador final. El secreto real está en la cadena de 3 etapas que casi nadie enseña:

PASO 01 // COLOR & TAPE+3 dB RMS

Saturación armónica por etapas que engaña al oído para percibir más volumen con el mismo pico.

PASO 02 // SOFT CLIPPINGZERO PUMPING

Absorbe transitorios agresivos de kick y snare antes de que el limitador empiece a aplastar.

PASO 03 // TRUE PEAK CEILING-1.0 dBTP

Headroom matemático blindado contra el codec lossy de Spotify y Apple Music.

⚡ Framework en FL Studio • Principios 100% transferibles a cualquier DAW
ARSENAL COMPLETO // TODO EN UN SOLO PASE
Valor por separado: $178 USD

Todo lo que necesitas para llevar tus tracks al estándar de la industria

Workshop Live Intensivo (2.5 Horas)

Sesión en directo dentro de FL Studio con Q&A en tiempo real con Napoleon + grabación HD completa para siempre.

Licencia CTRL Pro de por Vida

Medición forense de True Peak a 4x y comparador A/B con crossfader de referencia sin límites.

Napbak Concert Grand VST3/AU

El instrumento acústico nativo de alta fidelidad para Windows y Mac incluido como regalo exclusivo.

Plantilla FL Studio (.FLP) & Presets

Sesión de master lista para FL Studio con buses calibrados, limitación por etapas y curvas de referencia.

GARANTÍA INCONDICIONAL

Pruébalo durante 14 días. Si tus mezclas no suenan pro, no pagas nada.

Aplica el método a tus propias canciones. Si no notas un salto cuántico en pegada, claridad y volumen, te reembolsamos el 100% de tu dinero de inmediato.

VER PLAN DE ESTUDIOS
🎹NAPBAK LAB ECOSYSTEMFREE IN LIFETIME BUNDLE

Napbak Concert Grand Piano

Experience an acoustic Steinway in your browser with dynamic velocity, studio convolution reverb, and MIDI keyboard support. Included as a native VST3/AU download for FL Studio & Ableton with your CTRL Lifetime pass.

✓ 100% Free Browser Workstation•✓ MIDI Controller Plug & Play•✓ VST3 / AU for Mac & Windows

04. FAQ

Everything you need to know about loudness

Excellent! A master at -8 LUFS is powerful, dense, and competitive. You are in the ideal zone for modern commercial music. When you measure loudness, you'll see that while platforms normalize playback to around -14 LUFS, a master at -8 LUFS retains the energy, body, and punch needed for clubs, festivals, car audio, and download platforms.

Think of major hits from Skrillex (-8 LUFS), the synthwave grooves of The Midnight (-8 to -9 LUFS), or even my own masters as Napbak, where I regularly master at -7, -8, or -9 LUFS to protect transient weight. We prioritize dynamic impact over arbitrary streaming targets to ensure your track sounds massive on any sound system.

Absolutely not! -14 LUFS is simply an alignment target for streaming services, not a creative rule for audio production. Music is meant to be enjoyed across many formats—vinyl, CDs, DJ pools, club sound systems, and direct digital downloads—each requiring its own energy level.

Most modern commercial masters sit comfortably between -6 and -12 LUFS integrated. Artists master louder because the compression and saturation are essential to the sound's character. Focus on mix dynamics and overall translation rather than chasing a single loudness target.

Normalization is designed to provide a consistent listening experience across playlists, preventing listeners from constantly adjusting their volume. However, normalization is a simple gain reduction, not dynamic compression.

If your master is loud, it retains all its saturation, transient details, and punch even when turned down by the playback software. Furthermore, many listeners turn normalization off, and it does not apply to physical formats or download sites.

The loudness war was the industry-wide race to make tracks as loud as possible to stand out on the radio, peaking in the 2000s. Some albums reached a crushed -4 or -3 LUFS, sacrificing all dynamics. Today, we focus on a much better balance.

Modern mastering values both loudness and dynamics. With CTRL by Napbak, you can preview exactly how your mix translates. While a heavy Rammstein track might sit at a dense -6 or -7 LUFS (e.g. 'Du Hast' or 'Deutschland'), a melodic acoustic song might sound best at -12 LUFS. It is entirely genre and vibe dependent.

Usually much louder than the streaming targets! Modern electronic music regularly hits -6 to -8 LUFS, hip-hop averages -8 to -9 LUFS, and rock releases sit between -7 and -9 LUFS. Only highly acoustic, classical, or jazz genres sit closer to -16 or -20 LUFS.

The average commercial upload is around -10 LUFS. Artists choose loudness for artistic reasons, not platform guidelines. Use CTRL to analyze your favorite reference tracks and check their actual levels to match the energy that fits your vision.

To increase loudness while keeping your mix clear and transient-heavy:

1. Use saturation to add harmonics and increase perceived loudness without raising peak levels. 2. Apply compression in stages (small gain reduction across multiple plugins in your DAW). 3. Control the sub-bass frequencies and low-end build-up that eat up headroom. 4. Always leave a ceiling of -1.0 dBTP on your final limiter to prevent distortion when converting your WAV to lossy streaming formats (AAC/Ogg).