This project is scheduled for launch
Launch date: Sunday, August 9, 2026 at 08:00 AM UTC

Karafilt is an innovative SaaS browser extension designed to transform any song playing in your browser into an instant karaoke track. It seamlessly removes vocals from popular platforms like YouTube, Spotify Web, and SoundCloud in real time, all without requiring any downloads or uploads. This tool is perfect for karaoke enthusiasts, aspiring singers, or anyone looking to practice their vocal skills and sing along to their favorite tunes.
Key Features:
Use Cases:
Karafilt empowers users to host impromptu karaoke parties, practice singing without the lead vocalist, or simply enjoy a more interactive music listening experience. Vocalists can use it to learn new songs, understand vocal melodies, and improve their timing with the synchronized lyrics. It's an ideal solution for anyone who loves to sing but doesn't want the hassle of finding instrumental versions of songs or dealing with complex audio editing software.
The extension solves the common problem of wanting to sing along but being unable to isolate the instrumental track. By processing audio in real-time locally, it offers immediate gratification and a smooth user experience, making it incredibly easy to turn any casual listening session into a fun, interactive singing opportunity.
Pricing Information:
Karafilt operates on a completely free model. All vocal-removal modes and features are available at no cost, forever. Users simply need to sign in once to save their settings across sessions, ensuring a consistent and personalized experience without any hidden fees or premium tiers.
User Experience and Support:
The user interface is designed for simplicity: play a tab, select a vocal removal mode, and click once to start singing. The integrated time-synced lyrics enhance the experience by keeping users on beat and ensuring they never miss a word. While results for vocal removal can vary based on the song's original mix, Karafilt provides clear expectations. Comprehensive documentation is available via the "Docs" link, and the open-source nature encourages community contribution and support.
Technical Details:
Karafilt leverages WebAssembly to perform all vocal removal processing locally within the user's browser, ensuring real-time performance and complete privacy as no audio data leaves the machine. It is built as an open-source project under the MIT license, allowing for transparency and community-driven development. The extension is compatible with popular Chromium-based browsers including Chrome, Edge, Brave, Arc, Vivaldi, and Opera.
Pros and Cons:
Conclusion:
Karafilt offers an unparalleled, free, and real-time karaoke experience directly from your browser. Its innovative local processing and synced lyrics make it an essential tool for anyone who loves to sing along to their favorite music. Explore Karafilt today to transform your browser into a personal karaoke machine and unleash your inner star!
Comments will be available once the project is launched.
Mile Knezevic
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