For those interested in exploring the world of Owl City and experiencing "Fireflies" in its highest quality, there are several platforms and music stores that offer the song in FLAC format. From online music retailers to streaming services that support high-resolution audio, fans have a variety of options to choose from.

: Offers "Fireflies" in high-quality lossless formats including FLAC, WAV, AIFF, and ALAC. They also host a UK Radio Edit version.

While Tidal is primarily a streaming service, their “Tidal Store” (via the desktop app) allows you to purchase tracks in FLAC (Master quality). Their MQA (Master Quality Authenticated) version of Ocean Eyes unfolds to a pristine 24-bit file.

: Because "Fireflies" is so heavily produced and features a wide range of frequencies, it is one of the better pop tracks to listen to in FLAC. It highlights the intricate sound design that made it a hit. Final Audio VR3000 - Reviews - Head-Fi