Extract audio from your videos and save as MP3, WAV, or OGG files. Our free online tool makes it easy to convert video files to audio with customizable quality settings. No Signup Required.
Extract audio from any video file directly in your browser. Perfect for creating podcasts, saving music from videos, or isolating audio content.
Select your video file
to extract audio
Audio extraction is the process of separating and saving the audio track from a video file. This technique allows you to preserve important sound content without the larger file size of video.
Key benefits of audio extraction:
Our browser-based tool makes this technical process simple while ensuring your privacy by processing everything locally.
The audio in most digital videos is already stored as a separate track from the visual content. This separation, known as multiplexing, dates back to the 1970s when engineers needed efficient ways to combine audio and video signals.
When you "extract" audio from a video file, you're not actually converting the audio itself but rather isolating and copying this pre-existing audio track. This is why audio extraction is typically much faster than other conversion processes and why the extracted audio maintains its original quality.
Modern audio extraction leverages the container format architecture of video files like MP4, which uses a structure called "atoms" or "boxes" to organize different media streams. The audio track in an MP4 is typically compressed using AAC (Advanced Audio Coding) and stored in dedicated audio atoms separate from video atoms.
When extracting to MP3, a transcoding process occurs that decompresses the AAC stream and recompresses it using the MP3 algorithm. This process involves psychoacoustic modeling that discards audio information humans can't perceive, allowing for smaller file sizes while maintaining perceived quality.
WAV extraction, by contrast, often produces uncompressed audio that preserves every bit of the original sound data.
Our Audio Extractor extracts audio from your video files and saves it in MP3, WAV, or OGG format, which is perfect for creating podcasts, music playlists, 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 bitrate to balance between audio quality and file size according to your needs. Different formats (MP3, WAV, OGG) also offer different quality characteristics.
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.
Extracting audio from videos is useful for creating podcasts from video interviews, saving space by keeping only the audio portion of videos, or creating audio files for offline listening.
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.