Compress WEBA

How to Compress WEBA Audio Online

1. Upload Your WEBA File — Click "Choose Files" or drag and drop your .weba WebM audio file. Batch compression is supported.
2. Choose Compression Method — Under "File Compression," the default is "File Size Percentage" (default 80%). Other options:
   • Specific file size: Target an exact output size (default 8 MB)
   • Custom Bitrate: Enter any value in bps, Kbps, or Mbps (default 64 Kbps)
   • Constant Bitrate: Pick from presets (default 64 kbps)
   • Variable Bitrate: Opus ranges from 6k–24k up to 320k–510k
3. Set Audio Channel (Optional) — Keep original, force Mono, or force Stereo.
4. Set Sample Rate (Optional) — Keep original or choose 8000, 12000, 16000, 24000, 44100, or 48000 Hz.
5. Trim (Optional) — Set a start time and duration in seconds or HH:MM:SS.sss.
6. Compress and Download — Click "Compress" and download your smaller WEBA file. No sign-up required.

Why Compress WEBA Files?

WEBA is the audio-only variant of Google's WebM format, typically using the Opus or Vorbis codec. It's commonly encountered when downloading audio from web sources. Compressing WEBA reduces file size by lowering the bitrate — useful for meeting upload limits, reducing storage, or optimizing for mobile streaming.

Frequently Asked Questions

What is WEBA?

WEBA (WebM Audio) is an audio-only container from the WebM format. It uses Opus or Vorbis codecs and is commonly produced by web audio downloads and browser-based recording tools.

What bitrate should I target?

For speech: 32–64 kbps. For music: 96–128 kbps. Opus sounds excellent even at low bitrates.

Can I batch compress?

Yes. Upload multiple WEBA files and download results individually or as a ZIP archive.