Why ZIP instead of individual files?

Modern browsers block multiple downloads triggered from a single action. ZIP is the cleanest workaround.

Does it preserve metadata?

Yes. ID3 tags in the source carry over to the new MP3 where possible.

The rest of the batch continues. Failed files are listed with their error so you can retry individually.

Bulk MP3 ConverterServer

Convert up to 20 audio files to MP3 in one batch. Upload once, download a single ZIP with every MP3 inside.

Drop audio files here

or click to browse — up to 20 files, any audio format

⎆Processed on our servers. Files are deleted immediately after processing.

How to use Bulk MP3 Converter

Drop up to 20 files
Any mix of formats — MP3, WAV, FLAC, OGG, M4A, AAC, Opus.
Submit
Files upload in a single request and transcode on our server with libmp3lame at VBR ~190 kbps.
Download the ZIP
All converted MP3s bundle into a single ZIP for one-click download. A manifest.json inside lists per-file results.

Frequently asked questions

Why ZIP instead of individual files?: Modern browsers block multiple downloads triggered from a single action. ZIP is the cleanest workaround.
Does it preserve metadata?: Yes. ID3 tags in the source carry over to the new MP3 where possible.
What if one file fails?: The rest of the batch continues. Failed files are listed with their error so you can retry individually.