Audio Bitrate Changer Online
Upgrade or reduce audio encoding bitrate between 64 kbps and 320 kbps. Control file sizes and fidelity for podcasts, music, and streaming.
How do I change the bitrate of an MP3 audio file online?
To change the bitrate of an audio file, upload your track to BrowserConvert's Bitrate Changer below. Select your target bitrate—from 64 kbps for compact speech notes to 320 kbps for audiophile listening—and click Re-encode Bitrate. The file is transcoded locally using WebAssembly FFmpeg with 100% privacy and zero server uploads.
Select an audio file
Supports MP3, WAV, M4A, FLAC, AAC, OGG
How to Adjust Audio Bitrates
1. Upload Track
Select any MP3, WAV, or M4A file from your device.
2. Select Bitrate
Pick from 64 kbps (speech), 128 kbps (standard), 192 kbps (high quality), or 320 kbps (studio).
3. Transcode & Save
Click “Re-encode Bitrate” to process locally and download your re-encoded file.
Frequently Asked Questions About Audio Bitrates
What does audio bitrate mean?
Bitrate refers to the number of kilobits of data processed per second of audio (kbps). Higher bitrates (like 320 kbps) store more acoustic nuance, while lower bitrates (like 128 kbps or 64 kbps) create compact files ideal for voice notes and mobile streaming.
Can increasing the bitrate of a 128 kbps MP3 to 320 kbps improve quality?
No. Increasing the bitrate of an already compressed audio file cannot restore frequencies lost during the initial encoding. However, setting an exact target bitrate is often required by podcast distributors, radio stations, and DJ platforms that require uniform 192 kbps or 320 kbps files.
What bitrate is recommended for podcasts and speech?
For spoken word, interviews, and podcasts, 96 kbps to 128 kbps mono or 128 kbps to 160 kbps stereo provides crystal-clear vocal clarity with very small file sizes.