Extract audio from your MP4 videos and save as WAV files. Our free online tool makes it easy to convert video files to high-quality audio with customizable settings. No Signup Required.
Convert your MP4 videos to WAV audio files directly in your browser. Perfect for extracting high-quality audio from video content, creating podcasts, or saving music from videos.
Select your MP4 video file
to convert to WAV audio
The conversion process extracts the audio track from your MP4 video file and encodes it as a WAV file, providing uncompressed, high-quality audio that's perfect for professional editing and production. WAV files preserve all the original audio detail from your videos, making them ideal for further audio processing.
The WAV format has been a cornerstone of digital audio since its introduction by Microsoft and IBM in 1991. Unlike compressed formats like MP3, WAV files typically store audio data in an uncompressed format, preserving the complete fidelity of the original recording. This makes WAV the preferred choice for audio professionals, sound engineers, and musicians who require the highest possible quality for editing and production. What's particularly interesting is that despite being over three decades old, WAV remains the standard format in professional audio environments due to its simplicity, compatibility, and lossless nature. While streaming services and consumer devices have embraced compressed formats to save bandwidth and storage, recording studios, film production, and broadcast industries still rely heavily on WAV for its pristine audio quality. The format's enduring relevance in a rapidly evolving digital landscape demonstrates how sometimes the simplest, most straightforward technical solution proves to be the most durable.
The process of extracting WAV audio from MP4 video involves a fascinating technical workflow that prioritizes audio quality over file size. MP4 files are containers that typically hold compressed audio streams (often AAC or MP3) alongside video data. When converting to WAV, the system must first demultiplex the MP4 container to isolate the audio stream, then fully decode the compressed audio back to its raw PCM (Pulse Code Modulation) form. What makes WAV files special is that they store this PCM data with minimal additional processing, preserving the full dynamic range and frequency content of the audio. A standard CD-quality WAV file uses 16-bit depth (allowing for 65,536 possible amplitude values per sample) and a 44.1kHz sampling rate (capturing frequencies up to 22.05kHz, beyond the range of human hearing). This results in files approximately 10 times larger than MP3 equivalents, but without the artifacts and quality loss introduced by lossy compression. For professional applications, WAV files often use even higher specifications—24-bit depth and 48kHz, 96kHz, or even 192kHz sampling rates—capturing extremely subtle audio details that might be imperceptible in casual listening but become critical during mixing, mastering, and sound design processes. This technical commitment to preserving audio fidelity explains why WAV remains the gold standard for audio professionals despite its larger file sizes.
Our MP4 to WAV converter extracts audio from your video files and saves it in WAV format, which is perfect for creating high-quality audio for music production, podcasts, or extracting audio from interviews, lectures, or music videos.
Yes, you can upload MP4 files up to 10MB in size. For larger videos, we recommend trimming them to the essential parts first.
Yes, our converter allows you to adjust the sample rate and bit depth to balance between audio quality and file size according to your needs.
Most conversions are completed within seconds. The exact time depends on the file size, video length, and your device's processing power, since all conversion happens directly in your browser.
Yes, we take data security seriously. This tool processes your files entirely in your browser - your videos are never uploaded to our servers. This means your content never leaves your device, ensuring complete privacy and security.
Currently, our tool processes one MP4 file at a time. You'll need to convert each video separately if you have multiple files to convert.
Converting MP4s to WAV is useful for extracting high-quality, uncompressed audio from videos for professional audio editing, music production, sound design, or when you need lossless audio quality for further processing.
No, we don't store any of your files. Since the conversion happens entirely in your browser, your files never reach our servers. Once you close the browser tab or navigate away, all processed data is automatically cleared from your browser's memory.