How to Use the Spotify Analysis Downloader

The Spotify Analysis Downloader lets you download analysis data for the track currently playing on Spotify and any track changes until you close or reload the tab. It only works on desktop browsers. If you want to listen to the song on mobile, upload the analysis from a desktop browser first. Follow these steps to use it:

Show your bookmarks bar:
- Chrome: Press Ctrl + Shift + B (Windows) or Cmd + Shift + B (Mac) to toggle the bookmark bar.
- Firefox: Click the menu button and select Library, then Bookmarks, and Bookmarking Tools, and select Show Bookmarks Toolbar.
- Edge: Press Ctrl + Shift + B or go to Settings > Appearance > Show favorites bar and set to Always.
- Safari: Go to View in the top menu and select Show Favorites Bar.
Bookmark the following link: Drag this button to your bookmark bar to save it as a bookmark: Spotify Analysis Downloader
Open Spotify: Use this link to open Spotify in your browser and log in (Premium account not required): Open Spotify Open current song in Spotify
Play a Spotify track: Start any track on Spotify to begin downloading analysis data for it. Pausing or muting the track will not impact the downloader.
Use the bookmarklet: While the song is playing, click the "Spotify Analysis Downloader" bookmarklet from your bookmark bar. This action will download the analysis file for the current track.
Continue listening: The downloader will automatically save analysis data for each new track you play until you close or reload the tab.
Locate your downloads: The downloaded files will be in your downloads folder and named after the track IDs (e.g., `03UrZgTINDqvnUMbbIMhql.json`).
Upload the analysis file: Match the filename with the track ID of the song you tried to play (see the URL) and use the form below to upload the analysis file for processing.

Upload the Analysis File

Select the JSON file you downloaded that corresponds to the song you tried to play on The Eternal Jukebox:

Fine tune your endless song

You can tune control the frequency and quality of the branching. See the FAQ for more details. You can retune the Eternal Jukebox to use a different audio track here.

Branch Similarity Threshold: 50

Higher
Quality More
Branches

Branch Probability Range: 18% to 50%

Low High

Branch Probability Ramp-up Speed: 9%

Slow Fast

Loop extension optimization:

Allow only reverse branches :

Allow only long branches :

Remove sequential branches:

Disable Keypresses:

Audio URL:

Audio offset in seconds:

-10 s 20 s

Volume: 50

Quiet Loud

Branch chance (%): 18

Last threshold: 0

Song length:

Total beats:

Total branches:

Longest loop (beats):

Longest loop (%):

Deleted branches: 0