Sites like Zamzar and Convertio occasionally support .sdr → .jpg, but support comes and goes. Check first:
✅ No software
❌ Not always supported; file size limits (max ~50MB free) convert sdr file to jpg online full
If a converter fails:
If you do not want to sign up for a trial and already have the file open on a computer with SmartDraw installed: Sites like Zamzar and Convertio occasionally support