Free online SGU to FLAC converter
Render Band-in-a-Box SGU arrangements to FLAC audio for playback or archiving.
Convert SGU to FLAC 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 .sgu 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 .sgu to .flac conversion
After successful file upload, click to convert when you are ready.
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Download converted .flac file
Conversion result is ready to download.
How to convert sgu to flac file
- Music composition
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101convert.com assistant
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Band-in-a-Box song files contain musical arrangement data rather than a finished recording, so they cannot be played by audio-only devices as they are. Convert one to FLAC when you need a shareable or archivable audio rendering.
What the SGU format is
.sgu is a Band-in-a-Box song format from PG Music. It stores a song arrangement, such as chords, tempo, key, and style information; SGU files typically do not include a melody track. You may encounter them in collections of Band-in-a-Box songs or when exchanging arrangements with Band-in-a-Box users.
What the FLAC format is
FLAC stores digital audio using lossless compression: decoding it reproduces the same audio samples that were encoded. It is useful for archiving or sharing a rendered performance when you want smaller files than uncompressed WAV without lossy audio compression.
How to convert SGU to FLAC
Online on 101convert.com
- Upload the SGU file on the converter page. Several files can be added for batch conversion; check the page for its per-file size limit.
- Select FLAC as the output format and start the conversion. The conversion runs on the site’s server with MuseScore.
- Download the resulting FLAC file.
Offline with desktop software
Band-in-a-Box for Windows or macOS can render the arrangement to audio. Open the SGU file, use File → Save Special → Save Song as WAV (the wording can vary by version), and save a WAV file. Then use the free, open-source FFmpeg on Windows, macOS, or Linux to encode that audio:
ffmpeg -i input.wav -c:a flac output.flac
Replace the filenames with your WAV and desired FLAC names. FFmpeg converts the rendered audio; it does not open or interpret SGU files itself.
Quality and limitations
Because SGU stores arrangement data rather than recorded audio, the conversion creates a performance using the playback sounds available to the converter. FLAC preserves that rendered audio losslessly, but it cannot preserve the original chord, style, or arrangement data as editable musical information. Keep the SGU file if you may need to edit the song later.
Note: This sgu to flac 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 SGU to FLAC converter free?
Yes, converting SGU to FLAC 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 SGU file be?
You can upload SGU files up to 3 MB and convert up to 3 files at once in a single batch. With a paid plan the limit is up to 200 MB per file and 50 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 SGU to FLAC?
No. The SGU to FLAC 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 SGU file for this SGU to FLAC 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.