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16 April 2021  Amanda J. Brook  Senior Product Manager
 

Summary
MKV is the open multimedia container format which can hold videos, audios, images and subtitles. Therefore, a MKV file is usually large. Generally, people will convert MKV to MP4 in order to transfer and use the videos easily because MP4 is the compressed video format used for video size reduction. In this essay, we will talk about how to convert MKV to MP4 online.



Part 1: How to Convert MKV to MP4 Online?

how to convert mkv to mp4 online
It is convenient to convert MKV to MP4 online because we don’t need to install any application. Take FreeConvert.com as an example. We will tell you how to convert MKV to MP4 online.
Steps:
Get access to FreeConvert.com (link: https ://www.freeconvert.com/mkv-to-mp4) and click on [Choose MKV Files] to upload the target file. After that, click on [Convert To MP4 Now!] to convert MKV to MP4 online.
how to convert mkv to mp4 with freeconvert com
Although this method is convenient, it is not completely reliable. For example, it relies on the stable network environment, and the file is exposed to data leakage when uploaded to the website server. Next, we will recommend the useful and easy video editor which can not only convert video formats, but also offers many editing functions to you.

Part 2: Useful&Easy Video Editor

Renee Video Editor can not only covert video formats, but also offer multiple editing functions.

① What is Renee Video Editor?

Renee Video Editor is the multifunctional video editing software with which you can convert video formats, such as WMV, AVI, MP4, M4A, MOV, MKV and the other video formats, but also save the format with different device specifications. What’s more, you can merge and cut videos, crop video screen, add subtitles/ watermark/filters/background music and play multiple videos at the same screen. No matter you are a video beginner or a professional video producer, you can enjoy this software.
Renee Video Editor – Multi-function Video Editing SoftwareRenee Video Editor professional video edit tools

Separate videos with different parametersUsers can separate videos into equal clips by time, size and self-set parameter.

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

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

Format ConversionSupport to convert videos and audios into different formats.

Separate videosSeparate videos into equal clips by time, size and self-set parameter.

Cut Videos & AudiosCut videos and audios clips by setting start and end time.

Format ConversionConvert videos and audios into different formats.

Free TrialFree TrialDownload

3000 users have downloaded and used Renee Video Editor!

② How to Use?

It is easy to convert video formats with Renee Video Editor. Here are the steps:
Step 1: Download and install Renee Video Editor. Then, open the software and get into [Advanced Cutter].
open advanced cutter in renee video editor
Functions of Renee Video Editor:
Crop: Crop video to the desired area
Joiner: Combine multiple videos/audios into one
Rotate: Rotate video in 90/180/270 degree and flip videos horizontally or vertically
Add music: Adjust volume, select the sound track and remove the original sounds
Split: Split large video/audio file into clips
Watermark: Add text, image, video or GIF watermark into video, or create overlay video
Video split screen: Divide the screen to play one or more videos at the same time
Video Enhancement: Improve video quality
Video Compression: Compress video size without reducing its quality
GIF Maker: Create the animated GIFs
Subtitle/Add Text: Add external subtitles and text into videos
Filter/Adjust speed: Adjust brightness, contrast, saturation, filters and speed
Advanced Cutter: Cut videos, crop screen, add watermark/subtitles/filters/background music
Easy Cutter: Quickly cut videos
Batch Cutter: Cut multiple videos/audios in bulk
Step 2: Next, click on [Add File] to select the target MKV video.
add files in advanced cutter in renee video editor
Step 3: Select different functions at the top menu. After that, select a video format in [Output Format] according to your device, such as MP4. Finally, click on [Start] to convert MKV to MP4.
how to convert mkv to mp4 with renee video editor