Media
Batch Audio Converter
Convert multiple audio files between different formats like MP3, WAV, FLAC, AAC, OGG, Opus with quality settings and batch processing
file· File resultOpen tool
Quick start
Call this tool from your code in three languages.
cURL
# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/audio-batch-converter' \
-H 'Content-Type: application/json' \
-d '{"filename":"audioFiles.ext","contentType":"application/octet-stream","size":12345}'
# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
--data-binary @/path/to/file.ext
# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/en/api/tools/audio-batch-converter' \
-F 'audioFiles=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
-F 'outputFormat=mp3' \
-F 'bitrate=128k' \
-F 'quality=auto' \
-F 'sampleRate=auto' \
-F 'channels=auto' \
-F 'preserveMetadata=true'