The latest articles on DEV Community by Daniel (@darksaces). https://dev.to/darksaces https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4059334%2F114cad88-aba2-4a27-a7a7-806208d30ea7.jpg https://dev.to/darksaces en Daniel Tue, 04 Aug 2026 14:00:00 +0000 https://dev.to/darksaces/show-dev-spotify-toolkit-a-python-customtkinter-app-to-manage-playlists-and-clean-duplicates-1bg7 https://dev.to/darksaces/show-dev-spotify-toolkit-a-python-customtkinter-app-to-manage-playlists-and-clean-duplicates-1bg7 <p>Hey DEV community! </p> <p>If you use Spotify as much as I do, you've probably faced the pain of bloated playlists, duplicate tracks hiding in long lists, or wanting to manage your local library data without clicking through endless menus.</p> <p>To solve this, I built <strong>Spotify Toolkit</strong> — an open-source desktop application written in Python and CustomTkinter.</p> <h2> What does it do? </h2> <p>Spotify Toolkit provides a clean, modern GUI to manage your Spotify library efficiently:</p> <ul> <li> <strong>Smart Duplicate Finder:</strong> Detects and cleans duplicated tracks across your playlists.</li> <li> <strong>Library &amp; Metadata Exporter:</strong> Export your playlist data and metadata for offline backup.</li> <li> <strong>Fast Search &amp; Filter:</strong> Quickly find tracks, albums, or artists across your collection.</li> <li> <strong>Modern Dark UI:</strong> Built with <code>CustomTkinter</code> for a sleek native desktop experience.</li> </ul> <h2> The Tech Stack </h2> <ul> <li> <strong>Language:</strong> Python 3.x</li> <li> <strong>GUI Framework:</strong> CustomTkinter</li> <li> <strong>Spotify Web API Wrapper:</strong> Spotipy</li> <li> <strong>Package / Environment Management:</strong> <code>pip</code> / <code>uv</code> </li> </ul> <h2> Technical Challenges &amp; What I Learned </h2> <p>Building a desktop client over the Spotify Web API brought a few interesting challenges:</p> <ol> <li> <strong>Handling API Rate Limits:</strong> Managing batch requests when scanning large playlists (1,000+ tracks) without getting throttled.</li> <li> <strong>Responsive UI:</strong> Keeping the CustomTkinter GUI smooth and responsive during long API calls or duplicate scanning tasks.</li> </ol> <h2> Looking for Contributors! </h2> <p>The project is fully <strong>Open Source</strong>, and I'd love to get feedback, feature requests, or PRs from the community!</p> <p>Whether you want to fix a bug, improve the UI/UX, or add a new feature, all contributions are welcome.</p> <h3> Good First Issues / Ideas to work on: </h3> <ul> <li>[ ] Add CSV / JSON export formats for library backups</li> <li>[ ] Implement playlist sorting by BPM or audio features</li> <li>[ ] Add unit tests for API helper functions</li> <li>[ ] Improve dark/light theme switching</li> </ul> <p><strong>Check out the Repository on GitHub:</strong> <a href="https://github.com/DarksAces/Spotify-Toolkit" rel="noopener noreferrer">DarksAces/Spotify-Toolkit</a></p> <p>If you find it useful, feel free to drop a ⭐ on GitHub or leave your feedback/ideas in the comments below! </p> <p>Happy coding! </p> python showdev opensource github