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Your data and the LGPD

Privacy

Encore was built to use as little of your data as possible, and almost everything happens on your own device. Here you can see what we use, where it's kept, for how long and how to cancel access whenever you like.

Updated on September 28, 2026.

In a nutshell

  • The files you add (your history and, if you want, your liked songs) are read on your device and aren't sent to us or anyone else.
  • No sign-up, we don't keep your music, and we don't use tools that track your visits.
  • In Connect mode, what comes from Spotify stays in this tab only, and your Spotify connection is saved on this device, protected so only Encore can read it.

Who looks after your data

Encore is a personal project. The person responsible for your data here is Enzo Terra (the "controller" under Brazil's data protection law, LGPD, art. 5, VI).

For questions or requests about your data, write to: enzoterra18@gmail.com

What data we use

Upload mode: the file you add

From your history we only read: the day and time each song played, how long it played, the song, artist and album names, the song's Spotify code, where you listened (phone, computer…) and whether you skipped it or played it on shuffle.

Your internet address (IP), the country you were connected from and everything else in the file are set aside while reading and never used.

Upload mode: the "Account data" file (optional)

If you also add the "Account data" file, we only read your list of liked songs from it: the song, artist and album names, and the song's Spotify code, which is only used so the same song isn't counted twice. All that's kept is how many liked songs each artist has.

The other files in that package, like your email, personal details, payments, searches and playlists, are never even opened. Everything still happens only on your device.

Connect mode: your Spotify account

With your permission, we see your basic profile (account code, name and photo), your tops, what you played recently and your liked songs. Encore only asks to see: it can't change anything in your account.

Demo mode

Uses only made-up data, created on your device. No personal data is used.

Where the data lives

Your file is read on the device itself, inside this page. In Connect mode, Encore fetches the information from Spotify for you and hands back only what the screen needs, keeping nothing along the way. The site is hosted by Vercel, a website hosting company, and in Connect mode those requests go through Vercel's and Spotify's systems, which may be outside Brazil. This transfer to another country is needed to give you what you asked for (LGPD, art. 33, IX).

For how long

  • Added history and liked songs: only in this tab's memory, until you reload or close the page.
  • What comes from Spotify (Connect mode): stays in this browser tab only, for at most 12 hours, and is deleted when you click Log out.
  • Your Spotify connection (Connect mode): saved in this browser in a protected cookie, lasts at most 30 days and is deleted when you click Log out.
  • Running records: Encore only notes which part of the site was used, whether it worked and how long it took, with nothing about your music or your account. Vercel, which hosts the site, also notes details of each visit (such as your internet address, the IP, and the page opened) and keeps them for a short time (about 1 hour on the plan in use), under its own privacy policy.

We only use this data to give you what you asked for: your stats (the legal basis in Brazil's LGPD, art. 7, V). In Connect mode, we also rely on the permission you give on Spotify, which you can take back at any time. We don't use your data for ads or to build a profile of you, and we don't hand it to other companies for their own use.

Sharing

We don't sell or share your data. Spotify is where Connect mode data comes from, and Vercel is the company that hosts the site. Cards you make stay on your device until you choose to share them.

Your rights and how to cancel access

  • Delete the history and liked songs you added: close or reload the tab.
  • Leave Connect mode: click Log out. That deletes your saved connection and what came from Spotify in this tab.
  • Under the LGPD (art. 18), you can ask us to confirm whether we use your data, see it, correct it, take it to another service, delete it and learn who it was shared with. Since we don't keep your data, there's no copy of ours to look up or export. You can still make any request through the contact above.
  • You can also complain to Brazil's National Data Protection Authority (ANPD), the government body that enforces the LGPD.
  • Remove Encore's access to your Spotify account: remove the app at spotify.com/account/apps(opens in a new tab).

Cookies

Cookies are small files a website saves in your browser. Encore only uses essential ones: one that keeps you connected in Connect mode, and a temporary 10-minute one while you log in with Spotify. Your language preference may also be saved in your browser.