FLAC to SD2 Converter
Create Sound Designer 2 files from lossless FLAC
Perfect Quality
FLAC to SD2 is lossless — every sample from your FLAC source transfers perfectly.
Legacy Pro Tools
SD2 is the classic Digidesign format — produce from lossless FLAC for vintage sessions.
Online Processing
No Pro Tools needed — convert FLAC to SD2 in your browser.
How to convert FLAC to SD2
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose sd2 or any other format you need as a result (more than 200 formats supported)
Let the file convert and you can download your sd2 file right afterwards
About formats
Frequently Asked Questions
SD2 is the Digidesign format for legacy Pro Tools. Lossless FLAC ensures perfect quality for vintage session compatibility.
Pro Tools, Sound Designer II, Audacity, and classic Mac audio apps support SD2 files.
Yes — both store uncompressed audio. FLAC decoded to SD2 preserves every sample perfectly.
SD2 is for legacy Pro Tools sessions and archived projects — modern sessions use WAV or AIFF.
Upload multiple FLAC files and produce SD2 output simultaneously.