sfizz
sfizz: A focused free SFZ player with strong plugin support and partial SFZ v2 compatibility. Ranked #17 of 26 in Sampler Software by our editors (7.6/10); pricing: Free plan; best for SFZ users wanting a free open-source player.
At a glance
- Editor score7.6 / 10
- PricingFree plan
- Best forSFZ users wanting a free open-source player
- Free planYes
- Paid fromFree
- Plugin supportBoth
- Facts checked20 Sep 2026

Where it wins
- Supports SFZ v1 and partial SFZ v2 compatibility
- Available as VST3i, Audio Unit, LV2, and Pure Data plugins
- Hot reload, sample streaming, and C/C++ library interfaces
Where it doesn't
- SFZ v2 compatibility is only partial
- Standalone operation is provided through a JACK client
- Multiple stereo outputs are limited to VST3 and LV2 plugins
Our verdict on sfizz
sfizz is an open-source, sample-based synthesizer built around the SFZ instrument format. It is aimed at musicians who want to load existing SFZ libraries, create custom instruments, or integrate an SFZ engine into software through C and C++ library interfaces. Builds are available for Linux, macOS, and Windows, with plugin formats covering VST3i, Audio Unit, LV2, and Pure Data, plus a standalone JACK client.
The published feature set makes sfizz a practical choice for users who want a free player rather than a broader commercial sampler workflow. It supports SFZ v1 and partial SFZ v2 compatibility, with opcode support status and compatibility reporting to help clarify instrument behavior. Hot reload is useful for instrument development, while on-demand sample streaming and memory reclamation address large-library workflows. Sample support includes WAV, FLAC, and WavPack, and the category specifications include sample mapping and round-robin support.
Its main strength is focus: sfizz centers on the SFZ format and offers several ways to connect it to a production setup. Multiple stereo outputs are available in its VST3 and LV2 plugins, while the standalone option is specifically a JACK client. That makes it a strong fit for SFZ users on supported desktop platforms and for developers seeking library interfaces. Choose an alternative if you need complete SFZ v2 compatibility, a broader standalone application experience, or sampler features beyond the published SFZ-focused scope.
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sfizz pricing
sfizz fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Plugin support | Both |
| Sample mapping | Yes |
| Round-robin playback | Yes |
| Maximum polyphony | Not verified |
| Granular engine | Not verified |
| Supported sample formats | WAV, FLAC, WavPack |
| Standalone app | Yes |
| Deployment | Desktop |
| Platforms | Windows, macOS, Linux |
| Support | Docs, Community |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | sfz.tools |
| Facts checked | 20 Sep 2026 |
Alternatives to sfizz
- LinuxSamplerA flexible free sampler backend for users who value format and host compatibility.9.3
- TX16Wx Software SamplerA deep, format-friendly sampler for advanced users who work inside a compatible host.9.2
- Decent SamplerA capable free sampler for compatible libraries across desktop and iOS.9.1
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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