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    Compress a OPUS audio file

    Compress Opus files, the most efficient audio codec available, used by WhatsApp, Discord, WebRTC, YouTube.

    Accepted source formats

    OPUS

    How it works

    1

    Drop your Opus.

    2

    Choose bitrate (24-32 kbps for voice, 96-128 kbps for music).

    3

    Download the compressed Opus.

    Common mistakes

    • Using a source file of poor quality.
    • Publishing without checking the final result.
    • Confusing file size, dimensions and quality.
    • Overwriting the original file without keeping a copy.

    Pro tips

    • Always keep an original version.
    • Test several settings before downloading.
    • Use WebP for the web when possible.
    • Choose descriptive file names for SEO.

    Privacy and file handling

    File handling depends on the selected tool and format. For sensitive files, review the tool information before starting the operation.

    How to convert a OPUS file to Compress a OPUS audio file?

    Drag and drop or select your OPUS file from your device. Click "Convert" and wait a few seconds. Get your converted Compress a OPUS audio file file instantly. The final format should match how you plan to use it. Choose a file, run the conversion, then check the result before downloading it.

    Supported formats

    Source format: OPUS. Target format: Compress a OPUS audio file. After processing, open the output and review its content, pages, layout and other important elements before continuing with the rest of your work. Choose a file, run the conversion, then check the result before downloading it.

    What is the maximum OPUS file size?

    The practical file-size limit depends on the format, browser and memory available on your device. If a file fails, try a smaller version or split it when the tool supports that workflow. Some elements may change during conversion, so open the output and check it before using or sharing it.

    Which browsers are compatible?

    Use a recent, up-to-date browser. Behaviour can vary with the file format, available memory and the features supported by your device. Always check the output file before sharing it. The final format should match how you plan to use it. Keep the original until you have approved the result.

    Can I use the tool on mobile?

    You can try the tool on a phone or tablet with a recent browser. Large files may require more memory or be easier to process on a desktop computer. Choose a file, run the conversion, then check the result before downloading it. Current quotas and higher plans are shown on the Pricing page.

    Discover all our tools

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    Guides and tutorials

    Learn how to use our tools with our detailed guides.

    Frequently asked questions

    Opus is massively better for voice: Opus 24 kbps sounds as good as MP3 96 kbps. That's why WhatsApp and Discord use it — even on poor connections, voice comes through very well.

    Yes, Opus 128 kbps equals AAC 192 kbps or MP3 256 kbps for music. YouTube uses Opus for streaming when the browser supports it, saving bandwidth.

    All modern browsers (Chrome, Firefox, Safari, Edge), Android 5+, WhatsApp, Discord, WebRTC. iOS Safari 11+, Windows 10+ natively. Universal compatibility in 2026.

    Yes, our tool offers conversion. Moving from MP3 to Opus at the same bitrate results in equivalent or slightly better perceived quality thanks to Opus efficiency.

    It depends on the model: recent cars (2020+) often read Opus via Android Auto/CarPlay. Older car stereos need MP3 conversion for compatibility.
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