Some downloaders re-encode the file (sometimes to slap on a watermark). We don't. You get the same MP4 Instagram serves the app.
Saved
Copy the reel link. Pick the best version — sometimes a creator posts the same reel to multiple accounts; quality can vary.
Paste into ReelGrab. We request the highest resolution Instagram has cached for that specific reel.
Check the file properties. Right-click → Properties (Windows) or Get Info (Mac). The resolution and bitrate match what the creator uploaded — usually 1080p.