MKV to MP4 or MP4 to MKV Converter
MKV ⇄ MP4 Converter
Convert MKV to MP4 or MP4 to MKV directly in your browser. Upload multiple files and download as ZIP.
📁 Drag & Drop video files here
Supported: MKV, MP4
⚙️ How to Use
1. Upload Videos
Drag or drop your MKV/MP4 files into the upload area.
2. Choose Conversion
Click the ⇄ button to swap between MKV → MP4 or MP4 → MKV.
3. Download Files
Download individually or all files as a ZIP after conversion.
❓ Frequently Asked Questions
Which video formats are supported?
MKV and MP4 are supported for conversion.
Can I upload multiple files?
Yes, you can upload and convert multiple files simultaneously.
Is this tool free?
Yes, it is completely free and works in-browser.
Do files get uploaded to the server?
No, all conversions happen locally in your browser.
Can I convert MP4 → MKV?
Yes, simply toggle the conversion direction using the ⇄ button.
Can I download all files as a ZIP?
Yes, click the “Download All as ZIP” button.
Does this tool work offline?
Yes, after loading the page, all conversion happens locally.
What is the max file size?
It depends on your browser, but typically up to 1GB per file works smoothly.
Can I pause conversion?
Currently, pausing is not supported. You can cancel and restart.
Does this work on mobile?
Yes, fully responsive and works on smartphones and tablets.