Free online SXT to SFZ converter
Convert Reason NN-XT SXT patches into SFZ instrument definitions for compatible samplers.
Convert SXT to SFZ online - free
Your file is processed instantly and deleted as soon as you download it.
Import a file from a URL
Paste a direct link to the file. We download it to our server and it is converted exactly like an upload.
How it works
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Upload your .sxt file
Click to browse to select your file you want to convert or simply drag & drop your file into selected area.
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Perform .sxt to .sfz conversion
After successful file upload, click to convert when you are ready.
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Download converted .sfz file
Conversion result is ready to download.
How to convert sxt to sfz file
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101convert.com assistant
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Reason NN-XT instruments use SXT patches, while many other samplers load SFZ instruments. Converting lets you move the patch’s sample zones into an SFZ-compatible sampler, provided the conversion tool can read the SXT file.
What the SXT format is
SXT is the patch format for the NN-XT sampler in Propellerhead/Reason (now Reason Studios Reason). An SXT patch describes an instrument’s sample zones and playback settings; you may encounter it in Reason projects, sound libraries, and older NN-XT instrument collections.
What the SFZ format is
SFZ is a text-based format for defining sampled instruments. It maps audio samples to keys and velocity ranges and specifies playback settings. SFZ-compatible samplers, including Plogue sforzando, can use these files, and the text definition is editable. The SFZ file generally refers to separate sample files, so keep those files with the definition.
How to convert SXT to SFZ
Online on 101convert.com
- Open the SXT-to-SFZ converter page on 101convert.com and upload the SXT file.
- Select SFZ as the output format and start the conversion.
- Download the resulting file. The page supports batch conversion; check its displayed per-file size limit before uploading.
Offline with desktop software
Awave Studio is a commercial Windows instrument-format converter that supports NN-XT SXT and SFZ. Open the SXT patch in Awave Studio, then use File → Save instrument as (or the equivalent save/export command in your version) and select SFZ as the output format. Save the output in a folder where the extracted or referenced samples can remain alongside the SFZ definition.
Compatibility and limitations
SFZ stores zone mappings and supported playback parameters, not every Reason-specific NN-XT feature. Check the converted instrument in an SFZ player: unsupported modulation or instrument settings may be omitted or behave differently. If the SFZ refers to separate samples, moving only the SFZ file can break the instrument.
Note: This sxt to sfz conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
Information about file extensions and file types is provided by File-Extensions.org
Frequently asked questions
Is the SXT to SFZ converter free?
Yes, converting SXT to SFZ on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.
How large can my SXT file be?
You can upload SXT files up to 30 MB and convert up to 3 files at once in a single batch. With a paid plan the limit is up to 500 MB per file and 5 files at once, see our plans.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert SXT to SFZ?
No. The SXT to SFZ conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid SXT file for this SXT to SFZ conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.