Audio Bitrate Changer

Use this MP3 bitrate changer online to convert audio files one at a time or in batches. Choose a format and compare source and target bitrates.

How to Change MP3 Bitrate Online

  1. 1

    Add your audio files

    Choose MP3, WAV, M4A, FLAC, OGG, or AAC files. Play the original audio and review file details before processing.

  2. 2

    Choose format and bitrate

    Convert to MP3 audio format, or select M4A or AAC. Choose a supported bitrate to apply to all files in your batch.

  3. 3

    Process and review results

    Start the conversion and review each completed file’s original and target bitrate. Download one file or a ZIP of results.

Change MP3 Bitrate and Convert Audio Files

Use an online MP3 bitrate converter to set one encoding target for your batch. Review each completed file without uploading your audio.

01

Bitrate Changer: MP3, M4A and AAC

Choose an output format and set its encoding bitrate. Re-encode an MP3 at a new target, or convert a file to MP3 audio from another supported source format.

  • One Target Bitrate
  • MP3, M4A, AAC
  • Local Re-encoding

Illustrative example

01MP3 · 192 kbps
02MP3 · 192 kbps
02

See Original and Target Bitrates

Each processed file shows its source bitrate beside the target used for that result. Approximate source values are marked; the target is not a measured average.

  • Original Bitrate
  • Output Target
  • Processed Status

Illustrative example

Processed

128 kbps → 192 kbps

Processed

192 kbps → 192 kbps

03

Convert Multiple Audio Files

Convert MP3 to audio files in another supported format, or apply one bitrate to a mixed batch. Files run in sequence, and a failed item does not erase successful results.

  • Batch Queue
  • Per-file Status
  • Retry Failed Items

Illustrative example

01Processing
02Waiting
03Waiting
04

Prepare Voice and Music for Sharing

Choose a lower bitrate when sharing spoken recordings or fitting music on a device. Review the actual file size after processing; a higher bitrate cannot restore lost detail.

  • Spoken Recordings
  • Music Collections
  • Smaller Sharing Files

Illustrative example

Voice recording

96 kbps

Music file

192 kbps

MP3 Bitrate Changer Questions

What does an audio bitrate changer do?
A bit rate changer re-encodes audio using a selected encoding target. This free tool works with one file or a batch, shows original and target bitrates after processing, and lets you download the completed results.
Can an MP3 bitrate changer improve audio quality?
Increasing bitrate cannot restore details already removed from an MP3. Re-encoding can introduce further loss, even at the same bitrate. Choose a target for your file-size needs, then listen to the downloaded result.
Can I convert MP3 to audio file formats like M4A?
Yes. Select M4A or AAC as the output format and choose a bitrate before processing. MP3 is already an audio file; conversion changes its encoding or container. The new file is lossy and may be larger or smaller.
How do I convert MP3 to audio files in a batch?
Add your MP3 files, select MP3, M4A, or AAC output, and choose one bitrate for the batch. Start processing to convert files in sequence. Download a ZIP of successful results, and retry failed items separately.
What does the bitrate comparison show?
Each processed file shows its original bitrate followed by the output encoding target. Approximate source values use a tilde; VBR, lossless, or unknown sources are identified. The target is not a measured average.
Can I use this as a WAV bitrate changer?
You can add WAV audio and convert it to MP3, M4A, or AAC at a selected bitrate. This page does not output WAV or change PCM bit depth. WAV sources are labeled uncompressed, and these output formats use lossy encoding.
Can I convert other audio formats to MP3 online?
Yes. This online MP3 audio converter accepts supported WAV, M4A, FLAC, OGG, and AAC files as well as MP3. Choose MP3 as the output and select a bitrate. Changing formats does not preserve all source metadata or recover lost detail.
Are files uploaded to use the online MP3 bitrate changer?
No. Your audio stays in your browser while the local engine reads and re-encodes it. The site may download the conversion engine, but it does not upload your selected files for processing. No account is needed.

Change MP3 Bitrate Online

Add your audio files, choose a bitrate, and convert your batch in the browser.