SIDEKEYSYSTEM
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Side Key System · Audio Plugins

Mixing tools cut from steel.

Multiband compressors, saturators and mastering meters, built with the discipline of hardware design. VST3 plugins for producers and mix engineers who want tone with edge and metering they can trust.

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FormatVST3 · Win & macOS
Catalog7 plugins shipping
Activationlicense.sidekey.fr
SupportDirect from the maker

Catalog

Seven tools, one signal chain.

From triple-band compression to reactor-driven saturation and full mastering metering, every plugin below ships today.

AvailableDynamics
Tripressor triple-band compressor plugin interface

Tripressor

Triple-band FET/optical compressor with a tube, tape, iron & air saturation stage.

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AvailableDynamics
Claw dynamic spectral shaper plugin interface

Claw

4-node dynamic spectral shaper that pulls resonance and harshness out in real time.

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AvailableDynamics
Sabotage 76 FET-style compressor plugin interface

Sabotage 76

3-band FET-style compressor with tube-driven THD, built for aggressive, fast dynamics.

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AvailableDynamics
Nuke Multiband saturation plugin interface

Nuke Multiband

3-band compressor built for destructive, high-THD saturation with a tube valve stage.

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AvailableDynamics
Nuke Mk1 feedback compressor plugin interface

Nuke Mk1

Single-band feedback compressor with a tone-shaping filter stage and tube saturation.

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AvailableDynamics
Mext multiband extended compressor plugin interface

Mext

Multiband Extended, with per-band spectrum overlay, Q and shape control, tube THD stage.

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AvailableMetering
Merlin MTR mastering analyzer plugin interface

Merlin MTR

Full mastering analyzer with EBU R128 loudness, true peak, spectrum, vectorscope.

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Compatibility

Works in your DAW.

VST3 for Windows & macOS. Install once, and it shows up in every major host — including the ones below.

Ableton Live logoAbleton LiveVST3 host FL Studio logoFL StudioVST3 host Cubase logoCubaseVST3 host Reaper logoReaperVST3 host Bitwig Studio logoBitwig StudioVST3 host Cakewalk by BandLab logoCakewalkVST3 host Waveform logoWaveformVST3 host Mixcraft logoMixcraftVST3 host Ardour logoArdourVST3 host Audacity logoAudacityVST3 host

Approach

Built like hardware, priced like software.

Hand-tuned by ear

Every curve and saturation stage is dialed in against real mixes, not just plotted on a graph.

Free tiers to test first

Several plugins ship with a free or demo build, so you can put them in a real session before buying.

You talk to the person who built it

No ticket queue. Support questions go straight to the developer.

Simple activation

Machine-based license activation through license.sidekey.fr, up to two machines per license.

Get started

Open the signal chain.

Seven plugins, several with free tiers. Find the one that fits your session.

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