The JS80P v4 free synth plugin 2026 update marks a major leap for this open-source synthesizer by Attila M. Magyar. JS80P v4 brings new features and finally full support for macOS, alongside existing Windows and Linux versions. You can download it for free from the official site.
JS80P is a MIDI-driven, performance-focused synthesizer. With two main oscillators, a sub-harmonic sine oscillator, expanded filters, envelopes, LFOs, and a powerful macro system, JS80P v4 aims to be a flexible sound design tool for electronic musicians and producers.
What’s New in JS80P v4
The v4.0.0 update extends support to macOS, making the synth available to nearly every producer regardless of OS. The core sound engine remains analog-inspired with rich oscillator shapes. New in this version:
- Native macOS support (AU & VST3)
- Updated interface for easier navigation
- Improved modulation macros for faster performance setups
- Enhanced filter section with additional types
- 64-bit support on all platforms
These upgrades boost workflow and usability in both live and studio settings.
Features and Specifications
JS80P’s architecture is built for hands-on performance and deep programming:
- 2 oscillators plus sub-harmonic sine
- Versatile multimode filters
- Multiple envelopes and LFOs per voice
- Macro system for expressive controls
- Effects: chorus, delay, reverb
- VST3, AU (macOS), LV2, and standalone builds
- Open-source and 100% free to use
JS80P fits electronic, IDM, retro, ambient, and experimental genres. The direct, tweakable workflow is ideal for synth lovers who like to modulate and automate in real time.
Pricing and Upgrade Path
JS80P remains completely free and open-source. v4 is a drop-in upgrade if you’re already using JS80P—just download the latest installer or binary for your OS. There are no paid tiers, usage restrictions, or required sign-ups.
Quick Facts: JS80P v4 is free and open-source, now available for Windows, macOS, and Linux. The update brings new modulation features and a broader range of compatibility for modern studios. Grab the download and dive into hands-on synthesis.
Try JS80P v4 today if you need a versatile, free synth that works on any platform.
FAQ
Is JS80P v4 free to download and use?
JS80P v4 is 100% free, open-source, and available with no sign-up required.
Which plugin formats does JS80P v4 support?
It supports VST3 (Windows/Mac/Linux), AU (macOS), LV2, and also runs as standalone.
Do old JS80P patches work in v4?
Existing patches are compatible, so you can upgrade without losing your presets.