BitMidi

BitMidi BitMidi lets you relive favorite viral MIDI songs by searching the .mid archive, previewing tracks with live playback, and downloading for offline listening. Share your favorites and enjoy frequent new additions.

BitMidi

Miss those viral MIDI tunes from the past? BitMidi lets you jump right back in. Simply type the name of a MIDI file, and you can either listen to it or download it directly to your device. Share your favorite finds with friends or post them to social media whenever you want—just by sending the file along and letting the likes and comments roll in.

And the library keeps growing, so you’ll have more songs to discover and a more immersive experience over time.

Key Features

MIDI Archive

At its core, BitMidi is a large collection of .mid files. Browse through both modern and classic MIDI tracks that have been used for years.

The MIDI format is a high-quality way to store music data, which is why it’s widely used in games, software, and even the broader music industry. With the size of the catalog, finding the MIDI you’re looking for is quick and straightforward.

Live Playback

Not sure which track to pick? Use Live Playback. You can locate a MIDI file and play it on your phone without downloading first—perfect when you want to confirm the sound before committing.

Free Downloads

BitMidi includes thousands of MIDI files available to download. Just search the library, choose the file, preview it for confirmation, and then download it.

Because downloads are available without in-app payments or paywalls, you can grab these music files freely.

Minimal Advertisements

Unlike many similar apps that are crowded with ads and purchases, BitMidi keeps advertising to a minimum. The ads are designed not to disrupt your experience.

There are also no paywalls, so you can use the app with fewer interruptions and no extra pressure.

Developer Notes

I’ve been thinking about the early days of Geocities and Angelfire—when the web felt weird, playful, and full of charm. I remembered how many pages used to include an autoplaying background MIDI via the <embed> tag, which gave everything that distinct old-school vibe.

Curious to listen to more MIDIs, I searched around and found a .zip containing 100K+ MIDI files posted on Reddit. I tested playback in browsers like Chrome, Firefox, and Safari, but soon noticed a problem: those sites had stopped using the <embed> approach.

Even tools like Quicktime and VLC weren’t able to play the files properly.

Some sites could convert MIDI into low-quality MP3, but the process wasn’t ideal—and while Apple still offers Quicktime 7 (which can play MIDI), it wasn’t exactly smooth or fun to use.

There were also attempts at inline playback using Flash (which tended to be unstable, especially in Chrome), and some JavaScript-based options either lacked instruments or relied on huge multi-megabyte WebAssembly bundles (like Emscripten builds) that felt excessive.

So I decided to build the best MIDI player approach I could: compile a strong MIDI engine written in C (libtimidity) into WebAssembly, then spend time optimizing the output and keeping only the essential code.

The result is the timidity library—lightweight at 34 KB of JavaScript plus 23 KB of WebAssembly loaded lazily.

Then I added a simple frontend to browse the contents of that MIDI zip file. That’s how BitMidi came together.

In the future, I’d like to add many more MIDI files—possibly pulling from the Geocities MIDI archive available via the Internet Archive.

Conclusion

Listen to free MIDI songs and download the best MIDI files with BitMidi. It’s a historical MIDI archive from the early web era, designed to make searching and listening simple.

Just enter a MIDI filename, and the app will instantly search for the matching .MID file. From there, you can listen, download the original MIDI, or share it with friends.