windows app

Convert WAV to FLAC

Convert WAV audio files to FLAC audio files locally on Windows. No upload, no signup, no watermark.

offlinewindows 10 & 11free

Get it onMicrosoft Storecoming soon to the Microsoft Store

wavflac

features

what the app does

Paste from clipboard — Ctrl+V joins the queue (e.g. a Win+Shift+S screenshot lands without saving to disk).
Batch convert whole folders, sub-folder structure preserved.
Auto-convert watcher — point the app at a watched folder; converted files appear in your output folder.
Right-click .wav files in File Explorer — "Convert to FLAC" opens the app pre-loaded with your selection.
Ten UI languages, light + dark themes following the system.
Offline by design — no telemetry, no account, no user-data exfiltration.

details

WAV to FLAC on your pc

WAV to FLAC Converter is a Windows app for converting audio files locally, with no upload or signup.

how it works

It uses ffmpeg.wasm to convert WAV audio files to FLAC audio files on your Windows PC. Your audio stays on your device while the app handles the conversion locally.

paste from clipboard

Press Ctrl+V to drop a copied audio file straight into the queue. For example, copy a WAV audio file in File Explorer, then paste it into the app and convert it right away.

batch conversion

Convert a whole folder of audio files in one run. Subfolders stay in place on the output side, so a folder with 200 files in 10 subfolders keeps the same shape after conversion.

auto-convert watcher

Open the Auto-convert page in the sidebar, choose a watched folder and an output folder, and leave the app in the Windows system tray. Drop a fresh export there and the converted copy appears next to it in the output folder.

right-click in explorer

A native shell extension adds Convert to FLAC to the right-click menu for .wav audio files in File Explorer. It opens the app with your selection already loaded, so you can start from Explorer.

languages & themes

The UI ships in ten languages. Light and dark themes follow the Windows system theme automatically.

offline by design

No telemetry, no account, and no user-data exfiltration. The audio files never leave your device.

free & pro

The free version lets you convert WAV to FLAC with no file size or file count limits. Upgrade to Pro with a one-time lifetime purchase to remove ads and unlock batch conversion. No subscriptions or recurring payments.