MP3 to MKV Converter Tool [2025]

• Convert MP3 audio to MKV video format with ease.
• Customize quality settings: Choose video and audio bitrates for optimal file size and quality.
• Fast and secure conversion directly in your browser.
• Retains original audio quality while adding a dummy video stream to create an MKV file.
• Trim audio: Precisely cut your audio by setting custom start and end times (HH:MM:SS format).
• Adjust volume: Increase or decrease the volume of your audio (0% to 200%).
• Fade in/out: Add smooth fade-in and fade-out effects.
• Reverse audio: Play your audio in reverse.
• No file size limits or watermarks.
• Responsive design for optimal use on all devices.
• User-friendly interface with clear instructions.
• No need to install any software.

The MP3 to MKV Converter Tool is a useful utility when you need to create a video file from an audio track. MKV is a versatile container format that can hold multiple audio and video streams. This tool allows you to convert your MP3 audio into an MKV file by adding a dummy video stream, making it suitable for platforms or applications that require a video format.

• Create video files from audio: Useful when you need a video format for your audio track.
• Versatile MKV format: MKV supports multiple audio and video streams.
• Retain audio quality: The original MP3 audio quality is preserved.
• Customizable output: Adjust video and audio bitrates to control file size and quality.
• No software installation needed: Convert files directly in your browser.