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Free and unlimited use:

Our service is entirely free and without limits. Use it anytime, anywhere, for as many conversions as you need, without any restrictions.

Audio Size Preview:

Our audio size preview feature provides an estimate of the file size after conversion, regardless of the format. This tool helps users gauge whether the new file size meets their needs and storage capabilities, making it easier to decide on the conversion parameters for formats ranging from compressed to uncompressed audio.

Custom Quality:

Our conversion tool offers customizable options for audio bitrate and sample rate, allowing users to fine-tune the quality of their audio files. Whether you're converting to a format for professional use or casual listening, these settings provide the flexibility to optimize audio quality according to your specific requirements.

Fast conversion:

Time is valuable. Our service quickly converts your files to high-quality AIFF format, minimizing waiting times. Experience rapid conversions and access your AIFF files almost immediately.

Cross-Platform Accessibility: is accessible on any device with an internet connection. Whether on a desktop, tablet, or smartphone, you can easily convert MP4 to AIFF anytime, anywhere.

Privacy Protection:

We prioritize your privacy. Your files are never stored on our servers, ensuring the security and confidentiality of your data.

Local Conversion:

For enhanced security and privacy, convert MP4 to AIFF directly on your device. Our local conversion process ensures your videos are not uploaded to our servers, guaranteeing complete confidentiality. This is especially important for sensitive or personal files.

Audio parameters

Audio Bitrate:

Audio bitrate is a key determinant of audio quality and file size, measured in kilobits per second (kbps). Common bitrate values range from 128 kbps, suitable for standard quality, to 320 kbps for high-quality audio. In professional settings, bitrates can be even higher. Our tool allows you to choose from a variety of bitrate options, enabling you to strike the perfect balance between sound quality and file size based on your specific needs, whether it's for casual listening or high-fidelity audio playback.

Sample Rate:

The sample rate, measured in hertz (Hz), defines how many times the audio is sampled per second. Standard CD-quality audio uses a sample rate of 44.1 kHz, while professional audio recordings often use 48 kHz or higher, up to 192 kHz for high-resolution audio. Our conversion tool lets you adjust the sample rate to suit your requirements, offering the flexibility to choose between standard quality for everyday use and higher rates for detailed, professional-grade audio production.

Introduction to AIFF Format

Definition of AIFF

AIFF, or Audio Interchange File Format, is a standard for storing sound data for personal computers and other electronic audio devices. Known for its high fidelity, it's a lossless format, meaning it retains all the audio data, providing a reproduction that is true to the original source.

High-Quality Audio

AIFF files are known for their superior sound quality. Being a lossless format, AIFF is ideal for professional audio applications and audiophiles who demand the highest quality sound.

Introduction to MP4 Format

Definition of MP4

MP4, or MPEG-4 Part 14, is a digital multimedia container format. It's used to store video, audio, and other data like subtitles and still images. MP4 is widely used for streaming over the internet and is compatible with a vast range of devices.

Broad Compatibility

MP4 is highly versatile and compatible with nearly all digital devices and playback software, making it a preferred choice for digital media storage and streaming.

Efficient Compression

MP4 provides efficient video and audio compression, allowing for high-quality content to be stored in relatively small file sizes, facilitating easy streaming and downloading.

What Happens When Converting MP4 to AIFF

Audio Extraction

The conversion process starts with extracting the audio component from the MP4 file. This step is crucial for isolating the audio data for conversion.

Format Conversion

The extracted audio is then converted to AIFF format, ensuring no loss of audio quality. This includes converting the audio data to AIFF's uncompressed audio format.

Quality Preservation

AIFF, being a lossless format, means the conversion aims to preserve the highest possible audio quality from the original MP4 file. This ensures the output is of the highest fidelity.

Considerations When Converting MP4 to AIFF

File Size

Due to its uncompressed nature, AIFF files are larger than many other audio formats. It's important to consider the storage capacity when converting to AIFF.


AIFF files, while offering high-quality audio, may not be supported by all devices or software. Ensure compatibility with your playback system when choosing AIFF.

Privacy and Security

For MP4 files with sensitive content, choose a service that ensures privacy. performs conversions directly on your device, safeguarding your data from external servers and maintaining confidentiality throughout the conversion process.

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