Audio to Base64 Converter
Encode audio files (MP3, WAV, OGG, M4A, FLAC) to Base64 data URIs, or decode Base64 strings back to playable audio. All processing happens in your browser.
Encode Audio → Base64
Upload MP3, WAV, OGG, M4A, or FLAC files and convert them to Base64 data URIs instantly.
Decode Base64 → Audio
Paste a Base64 data URI and decode it back into a playable, downloadable audio file.
Preview Before Using
Listen to encoded audio directly in the browser before using it in your project.
Multiple Formats
Supports all major audio formats: MP3, WAV, OGG, M4A, and FLAC for maximum compatibility.
Drop an audio file here or click to browse
MP3, WAV, OGG, M4A, FLAC
Upload an audio file to encode it to Base64
Embed Audio in HTML
Use the generated data URI directly in an <audio> tag without external files.
API Integration
Send audio data as Base64 strings in JSON APIs or store in databases as text.
Preview Before Use
Listen to encoded audio directly in the browser before using it in your project.
Frequently Asked Questions
Search below or browse through our most commonly asked questions.