WAV → MP3
As a rough guide, files over 1GB are more likely to fail due to device memory limits.
Manual
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Why convert WAV to MP3
Voice recorders, streaming software and DAW exports default to WAV, which is uncompressed and often runs several megabytes per minute — too large to email or share in chat easily. Converting to MP3 at around 128–192kbps keeps the recording easy to follow while shrinking the file to roughly a fifth or a tenth of the original size.
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How to use it
(1) The output format is already set to MP3 on this page. Drag and drop your WAV file onto the drop zone, or click it to choose one. (2) Pick a bitrate (128 / 192 / 256 / 320kbps) — higher means better quality and a larger file. 128–192kbps is usually plenty for sharing. (3) Optionally set a sample rate (keep as-is, 44.1kHz, or 48kHz). (4) Press 'Convert to MP3'; a download button appears once it finishes.
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Bitrate and audio quality
MP3 is a lossy format, so converting always discards some information compared to the source WAV. For voice recordings, 128kbps is usually enough; for music or recordings with ambient sound, 192–256kbps holds up better under close listening. Since the process can't be reversed, keep the original WAV around if you might need a lossless copy later.
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FAQ
- How much smaller does the file get?
- As a rough guide, a 44.1kHz/16-bit WAV converted to 192kbps MP3 shrinks to about a seventh or eighth of the original size. 128kbps shrinks it further, to roughly a tenth.
- Which bitrate should I pick?
- For speech or voice memos, 128kbps works well. For music or recordings with background sound, 192–256kbps is a safer choice. 192kbps is a good default if unsure.
- Can I convert several WAV files at once?
- Yes — select multiple files and they process one after another, each with its own download button.
- Is my file uploaded anywhere?
- No. Conversion happens entirely in your browser; files are never sent to a server.