AI Mastering and Upscaling

Free AI Mastering Online

Master your song instantly with AI. Free, no signup, and a lossless FLAC export: upload your mix and hear it cleaner, fuller, and louder in minutes.

Mastering Workspace

Upload a source track and get back a cleaner, mastered FLAC export, powered by TuneTunnel AI.

Active

Free

Standard

3 free runs · AI mastered · Lossless FLAC output

Artist & WL

Automatic Upscaling

Unlimited masters · Enhanced dynamic range · Lossless FLAC

Enterprise

High Mode

Maximum quality · Priority queue · Highest fidelity output

Drop a track to master

Drag an audio file here, or click to browse. Files can be up to 100 MB.

Analyze, enhance, export

Master a song online free in minutes. AI-driven clarity boost and loudness normalization bring your mix to streaming-ready level at no cost.

No account, no email, no watermark. Upload your track, preview the result, and download your master straight from the browser.

Unlike most free mastering tools that cap you at MP3, Vesta returns a full-quality lossless FLAC master ready for every DSP.