What is Printune and how does it work?

Printune is a free web and desktop tool that transforms any Spotify track, album, playlist, or artist link into a custom 3D-printable keychain. It fetches the official scannable Spotify code, converts the bar heights into high-precision 3D geometry, and exports a print-ready STL file for your 3D printer.

Do 3D-printed Spotify keychains actually scan with a smartphone?

Yes! When printed with high contrast between the background base and the raised code bars (for example, white bars on a black base or black bars on a white base), the Spotify mobile app camera scanner can easily read the code and instantly play your song.

How do I print a dual-color keychain on a single-extruder 3D printer?

You can easily print dual-color keychains on any standard single-extruder printer (like Ender 3, Prusa MK3/MK4, or Bambu Lab) by adding a pause or filament change command (M600) at the layer where the base ends and the Spotify code bars begin. Slice the STL in PrusaSlicer, Cura, Bambu Studio, or OrcaSlicer and insert a filament change at the bar height.

What 3D file formats does Printune provide?

Printune provides universal STL files for immediate slicing and 3D printing, as well as STEP base files for CAD designers who wish to import and modify the geometry in software like Fusion 360, SolidWorks, or Blender.

Is Printune free to use?

Yes, Printune is 100% free and open source. You can generate unlimited keychains directly in your browser or download the standalone desktop version for Windows and Linux.

Is Printune affiliated with or endorsed by Spotify?

No. Printune is an independent fan-made utility for 3D printing enthusiasts and music lovers. Spotify is a registered trademark of Spotify AB. Spotify Codes and their trademarks are the property of Spotify AB.

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Privacy Policy

Last updated: September 2026 • Effective immediately

1. Introduction

Welcome to Printune (“we”, “our”, or “us”), accessible from https://printune-website-9ssrtd0k8-ctrlsebastians-projects.vercel.app. We are committed to protecting your privacy and being transparent about how our web application functions. This Privacy Policy details the types of information we collect, how it is used, and your rights regarding third-party cookies and advertising.

2. Information We Do NOT Collect

Printune is an open-access utility tool. We:

Do not require accounts or user registration: You can use the full keychain generator without creating an account.
Do not collect your Spotify login credentials: We never ask for or store your Spotify username, password, or OAuth tokens.
Do not store private audio or personal user files on our servers.

3. Information We Process & Local Storage

When you submit a Spotify URL into Printune:

Spotify Public URL: We parse public Spotify entity identifiers (track, album, playlist, or artist IDs) to request the publicly accessible scannable Spotify code image.
Browser LocalStorage: To remember your current keychain customization between page reloads, the app saves your last entered link data and bar height calculations in your browser's local storage (`spotify-data`, `bar-heights`). This data resides strictly on your device and can be cleared at any time in your browser settings.

4. Google AdSense & Third-Party Cookies

We use Google AdSense to serve advertisements on our website. To comply strictly with Google's policies and privacy regulations:

Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites on the Internet.
Google's use of advertising cookies enables it and its partners to serve ads to users based on their visits to our site and/or other sites on the Internet.
Users may opt out of personalized advertising by visiting Google Ads Settings. Alternatively, you can opt out of third-party vendor use of cookies for personalized advertising by visiting aboutads.info.

5. Analytics & Web Hosting

We use Vercel Analytics to understand basic, anonymized website traffic metrics (such as page views, country of origin, and browser type). Vercel Analytics is privacy-friendly and does not track personal identifying information or cross-site browsing behavior.

6. Your Rights (GDPR & CCPA)

Depending on your location, you have rights under regulations such as the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA), including the right to know what personal data is processed, request deletion, and opt out of the sale or sharing of personal information. Because we do not store personal profiles, clearing your browser cache and cookies effectively deletes all local references to your sessions.

7. Third-Party Links & Services

Our website contains links to external sites such as Spotify, GitHub, Buy Me a Coffee, Instagram, and LinkedIn. We are not responsible for the privacy practices or content of these third-party platforms. We encourage you to review their respective policies upon navigating to their services.

8. Contact Us

If you have questions or concerns regarding this Privacy Policy, please contact the developer:

Developer: Sebastian De Leon
Portfolio: sebastiandeleonportfolio.vercel.app
GitHub: github.com/ctrl-Sebastian