Converter Tools
Audio to Base64
Upload an audio file and get a Base64 string or data URI ready to embed in HTML or JavaScript.
Last updated: May 29, 2026
Client-Side Processing
Input Data Stays on Device
Instant Local Execution
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Buy me a coffeeWhat is Audio to Base64?
Audio to Base64 reads an audio file (MP3, WAV, OGG, FLAC, or AAC) in your browser and encodes it as a Base64 string. Use the resulting data URI in an HTML audio tag or JavaScript without hosting the file separately.
How to Use Audio to Base64
1
Drop an audio file onto the upload area or click to browse.
2
Copy the Base64 string or data URI.
3
Paste into your HTML or JavaScript.
Common Use Cases
- Embedding short audio clips in a single-file HTML page.
- Prototyping audio features without a file server.
- Including audio in email templates.
Privacy
Files are processed locally and never uploaded to any server.
Frequently Asked Questions
Is my file uploaded?
No. The file is read and encoded entirely in your browser using the FileReader API.
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