AllSubConverter is a free, fast, and secure tool designed to handle all your subtitle conversion needs. Whether you need to switch between SRT, VTT, ASS, or LRC formats, this web app processes everything locally on your device. Since your files never leave your browser, you can enjoy complete privacy and security without the need for uploads. It is the perfect solution for creators and developers who need instant, client-side subtitle format conversion.
Launch Team / Built with
Launch Date:
August 12, 2026
Product Info