How to Convert MKV to MP4 on Mac?

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How to Convert MKV to MP4 on Mac?

26 July 2023 Jennifer Thatcher Technology Manager of Test Dept.

Last update by Olivia Brown at 9 November 2026

Summary
Learn how to effortlessly convert MKV to MP4 on Mac, reducing file size without compromising on video quality.

Table of contents

I. How to convert MKV to MP4 format on Mac system?

1. Use Renee Video Editor to convert MKV to MP4 format
2. Use Free Convert.com online conversion tool to convert MKV to MP4 format

II. (Extended information) Use Renee Video Editor Pro to convert MKV to MP4 in Windows system?

1. What is Renee Video Editor Pro?
2. How to use Renee Video Editor Pro to convert MKV to MP4 format?

I. How to convert MKV to MP4 format on Mac system?

1. Use Renee Video Editor to convert MKV to MP4 format

The first software recommended to everyone is called Renee Video Editor. This software not only has the function of format conversion, but also can use it to perform a series of editing operations on video files, which is very practical.

① What is Renee Video Editor software?

Renee Video Editor is a versatile video editing software. It supports conversion between various video formats, including WMV, AVI, MP4, M4A, MOV, MKV, and more, and saves files in formats compatible with different devices. The software features a comprehensive Video Toolbox to meet diverse editing needs, such as merging videos, batch editing, cropping, creating GIFs, split-screen videos, adding subtitles, watermarks, special effects, background music, and more.

The software interface is simple, easy to operate, and provides software versions for Windows and Mac systems. Whether you are a novice video editor or a professional video editor, this software will be a very good choice for you.

Renee Video Editor Pro – Multi-function Video Editing Software

Renee Video Editor Pro professional video edit tools

Screen RecordingRecord screen and webcam in Windows computer.

Cut Videos & AudiosUsers are free to cut videos and audios clips with setting start and end time.

Multiple Edit ToolsMerge, crop, rotate, cut and transform video easily. Change and add background music, subtitles and remove watermark from video.

Format ConversionSupport to convert videos and audios into different formats.

Screen Recording Record screen and webcam in Windows computer.

Multiple Edit ToolsCut Videos & Audios Users are free to cut videos and audios clips with setting start and end time.

Multiple Edit ToolsMerge, crop, rotate, cut and transform video easily. Change and add background music, subtitles and remove watermark from video.

Format ConversionSupport to convert videos and audios into different formats.

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32321 users have downloaded and edited videos with fun!

② How to convert MKV to MP4 format with Renee Video Editor?

Step 1: Download and install the Renee Video Editor on Mac, run the software, and select the (Advanced Cutter) function.

Renee Video Editor Function:

Joiner: Merge multiple video/audio files into one complete file
Rotate: Rotate the video 90°/180°/270° clockwise, counterclockwise, or turn the video upside down or mirror.
Add/Remove music: Adjust volume, select audio tracks, score videos, or delete original audio.
Split: Divide the movie into multiple small clips according to duration, number of segments, or file size.
Watermark: Add text, pictures, videos or GIF pictures to the video as a watermark.
Effects: Adjust brightness, contrast, saturation, and add various special effects.
Subtitle: Add subtitles/text to videos.
Advanced Cutter: Edit video, crop video, add watermark, subtitles, filter effects, and soundtrack.
Easy Cutter: Quickly cut video clips.
Batch Cutter: Batch clip video/audio.

Step 2: Next, click the (Add Files) button to import the MKV files into the software.

Step 3: Use the top menu bar to edit the video file with options like cutting, cropping, filter effects, watermark, subtitles, and soundtrack. After editing, select MP4 in the bottom Target Format and choose the save location in Output at the lower left. Click the Start button at the bottom right to convert MKV to MP4.

2. Use Free Convert.com online conversion tool to convert MKV to MP4 format

Using an online format conversion tool for video format conversion is very convenient, as it requires no software downloads. Here, we will use FreeConvert.com as an example to demonstrate how to convert MKV to MP4 online.

Open https://www.freeconvert.com/mkv-to-mp4 in a browser, click “Choose Files” to add the MKV file, then click “Convert To MP4″ to convert it.

Free Convert.com online format conversion tool

To convert MKV files to MP4 on a Mac, using an online tool is easy but relies heavily on a stable network, which may cause upload or conversion failures. Additionally, uploading files online poses a data leakage risk. For a more secure and reliable solution, consider using local software like Renee Video Editor. Windows users can refer to the information below for their needs.

II. (Extended information) Use Renee Video Editor Pro to convert MKV to MP4 in Windows system?

1. What is Renee Video Editor Pro?

Renee Video Editor Pro is a comprehensive tool that integrates screen recording, video post-production, and format conversion. It allows you to set the recording area, screen size, watermark, cursor style, sound source, saving format, and automatic recording plans. Whether you are working with online movies, conference videos, game screens, or software operation steps, it helps you record and save with one click.

This software enhances video post-production by editing or merging clips, cropping screens, rotating or flipping videos, adding opening/ending animations, and transition effects. Switch between filter styles, dub the video, add or remove sound effects, import or create subtitles, and more. After editing, convert the video to various formats. The software supports most video and audio formats, including MXF, AVI, MKV, MP4, MOV, M2TS, M4V, AAC, AC3, and allows free conversion between them.