# You can also use wget
curl -X POST https://api.freeconvert.com/v1/process/import/upload \
-H 'Accept: application/json' \
-H 'Authorization: Bearer {access-token}'Learn more by reading our API documentation.
View Docs
MP4 to MP3 API
Easily convert MP4 files to MP3 format with our secure and scalable MP4 to MP3 API.
Trusted and valued by some of the biggest brands
Flexibility of Custom API Workflows
Combine different API functions through interdependent tasks to unlock the full potential of our API
MP4 to MP3 Workflows
Our API is built robustly to handle complex MP4 to MP3 conversion needs. You can create multiple tasks within a conversion to create complex workflows. For example, you can convert MP4 to MP3 and then compress output.
Webhook Support
We support both asynchronous and synchronous calls to our API. Easily create multiple, non-blocking asynchronous MP4 to MP3 conversion tasks and get notified of their progress using Webhooks or WebSocket API endpoints.
Import From Anywhere
Whether your MP4 files are stored on a bare metal server or a cloud provider such as S3, Google Cloud Storage, or Azure, our secure and robust MP4 to MP3 API allows seamless importation from the source location.
Well-documented
We’ve documented our API with developers in mind. Read our API Getting Started guide to understand how you can import, convert, and export files using the API. We also have endpoints for you to fetch available advanced options.
File Security
Your file security is important to us. We use container isolation and ISO 27001-certified data centers to protect your files. All files are transferred securely via SSL and automatically removed from our system after conversion.
Advanced Options
Fine-tune your conversions by utilizing our advanced MP4 to MP3 conversion options. We support many advanced MP4 to MP3 conversion options from audio codecs to trimming to create that perfect MP3.
Export to Anywhere
After converting your files using our MP4 to MP3 API, effortlessly export them to S3, Google Cloud Storage, or Azure. Alternatively, generate a URL export for convenient downloading from any location.
Proven & Reliable
From SaaS to mobile applications, our API is used by developers to seamlessly convert MP4 to MP3 without worrying about conversion infrastructure. Founded in 2018, we now convert 1 Million+ files daily.
Your Data, Our Priority
At FreeConvert, we go beyond just converting files—we protect them. Our robust security framework ensures that your data is always safe, whether you're converting an image, video, or document. With advanced encryption, secure data centers, and vigilant monitoring, we've covered every aspect of your data's safety.
Learn more about our commitment to security
SSL/TLS
Encryption
Secured Data
Centers
Access Control and
Authentication
World-class File Conversion Without The Complexity
Let us handle the complexities of file conversion and compression so that you can focus on your application.
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