The Audio Codec Swap tool allows you to change the audio codec of your files within a chosen output format. It supports multiple formats including MP3, AAC, OGG, FLAC, and WAV, with options to adjust bitrate, sample rate, and channels while preserving metadata.

When to use

When converting audio files for compatibility with specific devices or software that require a particular codec.

When optimizing audio quality or reducing file size by selecting appropriate bitrate and sample rate settings.

When you need to retain metadata such as artist, album, and track information during the conversion process.

How it works

1Upload your audio file in a supported format like MP3, AAC, M4A, OGG, Opus, FLAC, or WAV.
2Select the desired output format from the available options, such as MP3, AAC, M4A, OGG Vorbis, Opus, FLAC, or WAV.
3Configure the target bitrate, sample rate, and audio channels, or use 'Auto' to keep original settings.
4Choose whether to keep metadata by enabling or disabling the 'Keep Metadata' checkbox.

Use cases

Converting podcast audio to a lower bitrate MP3 for efficient online distribution.
Archiving music files in a lossless format like FLAC while preserving metadata.
Adjusting audio to mono for voice recordings to save storage space.

Examples

1. Podcast Episode Conversion for Streaming

Podcaster

Background

A podcaster has high-quality WAV recordings of episodes that need to be shared on streaming platforms.

Problem

WAV files are too large for streaming, and episode metadata must be retained for proper indexing.

How to use

Upload the WAV file, select MP3 as the output format, set bitrate to 128 kbps, and ensure 'Keep Metadata' is enabled.

Outcome

The converted MP3 file is optimized for streaming with reduced size and all metadata intact.

2. Lossless Archiving of Audio Files

Background

A user has MP3 files from old recordings and wants to preserve them in a lossless format for archival purposes.

Problem

MP3 is a lossy codec, and the user wants to maintain audio quality without further degradation.

How to use

Upload the MP3 file, choose FLAC as the output format, and leave bitrate and sample rate on 'Auto' to preserve quality.

Outcome

The FLAC file is lossless, ensuring no quality loss, and metadata is preserved for future reference.

FAQ

What audio formats can I upload?

You can upload MP3, AAC, M4A, OGG, Opus, FLAC, and WAV files.

Can I change the bitrate without changing the output format?

Yes, you can select the same format and adjust the bitrate to a different value.

Will my metadata be preserved?

Yes, metadata is kept by default. You can turn this off by unchecking 'Keep Metadata'.

What is the maximum file size for upload?

The maximum file size is 125 MB.

How do I decide on the sample rate?

Use 'Auto' to keep the original, or choose 44.1 kHz or 48 kHz based on your needs.

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Audio Codec Swap

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Key facts

Overview

When to use

How it works

Use cases

Examples

1. Podcast Episode Conversion for Streaming

2. Lossless Archiving of Audio Files

FAQ

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