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Convert anything to OPUS


The API for converting any file to OPUS.

Here you can see all available conversion options which you can use within the "options" section of conversions (see the example JSON below the table).

Here you can see all available conversion options which you can use within the "options" section of conversions (see the example JSON on the right).

Option Name Description
allow_multiple_outputs
Type: boolean
Default: False
If the conversion produces more than one output file, by default all of them are compressed in just one file. Set this option to true if you want a download link for each file.
audio_bitrate
Type: integer
Enum: 6 8 12 16 24 32 48 56 64 96 112 128 160 192 224 256 320
Audio bitrate in kbps.
channels
Type: string
Enum: stereo mono
Audio channels.
download_password
Type: string
Pattern: ^[ -~]{0,1000}$
Example: secret_password
A password to protect the download. To download the file send the password in the x-oc-download-password header or set a cookie named x-oc-download-password. The value contains a comma separated list of passwords.
end
Type: string
Pattern: ^\d\d:\d\d:\d\d$
Sets the end point of the part of the video you want to keep. The format is HH:MM:SS. HH = hour, MM = minutes, SS = seconds. Example 00:05:35
frequency
Type: integer
Enum: 8000 12000 16000 24000 48000
Audio frequency in Hz.
language_tts
Type: string
Enum: ar-SA bg-BG ca-ES cs-CZ da-DK de-CH de-DE el-GR en-AU en-CA en-GB en-IE en-IN en-US es-ES es-MX fi-FI fr-CA fr-CH fr-FR hi-IN hr-HR hu-HU id-ID it-IT ja-JP nb-NO nl-BE nl-NL pl-PL pt-BR pt-PT ro-RO ru-RU sv-SE ta-IN tr-TR vi-VN zh-CN zh-HK
Language of the speaker
normalize
Type: boolean
Default: False
Normalize the audio volume.
output_filename
Type: string
Pattern: ^[\w\W]{0,255}$
Example: my_base_filename_without_extension
The desired file name of the converted file WITHOUT the file extension.
preset
Type: string
Pattern: ^[\w\W]{1,255}$
Predefined options
start
Type: string
Pattern: ^\d\d:\d\d:\d\d$
Sets the start point of the part of the video you want to keep. The format is HH:MM:SS. HH = hour, MM = minutes, SS = seconds. Example 00:02:23

Output Example

POST /v2/jobs HTTP/1.1
Host: https://api.api2convert.com
X-Oc-Api-Key: <your API key here>
Content-Type: application/json
{
    "input": [{
        "type": "remote",
        "source": "https://example-files.online-convert.com/audio/mp3/example.mp3"
    }],
    "conversion": [{
        "category": "audio",
        "target": "opus",
        "options": {
            <conversion options here>
        }
    }]
}