How to Convert BDMV to MKV/MP4 on Windows or macOS: 6 Tested Tools

The BDMV structure stores high-definition video and multi-channel audio with support for menus, subtitles, and extras. However, it often fails to play smoothly on laptops, phones, or streaming devices. As someone who collects Blu-rays, I quickly realized that keeping them only in BDMV format made it difficult to watch my movies outside of a player.

That's why converting BDMV to MKV or MP4 has become my preferred method for managing a digital library. Both formats make playback and sharing much easier. When I converted my first Blu-ray, I noticed how much smaller the resulting file was, yet the quality remained nearly identical to the original disc. This process not only reduces storage needs but also simplifies playback and file organization. In this guide, I'll walk through practical methods and trusted tools that help you convert BDMV files efficiently while preserving the visual and audio quality of your collection.

Many beginners on Reddit often mistakenly treat BDMV as a single video file and get frustrated when conventional converters reject it. As experienced users point out, BDMV is actually a complex directory. The actual video and audio data are usually stored as .m2ts files inside the BDMV > STREAM folder. Converting it requires tools that can properly read the index.bdmv or parse the playlist to avoid dealing with dozens of fragmented video clips.

My Top Picks of  BDMV to MP4/MKV Comverters

Best for Speed and Quality: DVDFab Blu-ray Ripper

GPU-accelerated decoding and encoding with broad BDMV folder support, MP4/MKV output, and options to retain chapters, and multiple audio tracks.

Best for Lossless MKV Archiving: MakeMKV

One-click remux from BDMV to MKV without re-encoding, preserving original video, audio and metadata (No MP4 output.)

Best for Quick Online Conversion: CloudConvert

Browser-based conversion for small, non-DRM BDMV sources (typically single .bdmv or extracted .m2ts files). It's convenient for ad-hoc tasks, with size and privacy limits.

How to Convert BDMV to MKV/MP4 with DVDFab Blu-ray Ripper

• Supported OS: Windows 11/10 (64-bit) & macOS 12 or newer

DVDFab Blu-ray Ripper is a specialized tool designed for converting Blu-ray content, including BDMV files, ISO images, and discs, into a wide range of digital formats, with MP4 and MKV being the most common for universal compatibility. It also includes decryption capabilities for overcoming various copy protections (e.g., AACS, BD+) and offers additional features for customization and compression.

DVDFab Blu-ray Ripper also includes a lifetime-free simplified mode, DVDFab HD Decrypter. Its free protection support applies to supported DVDs and Blu-rays released more than one year ago, with limited MP4/MKV and disc-backup options. Newly released protected Blu-rays require the paid Blu-ray modules. Both are installed in the same DVDFab package.

Step 1: Launch DVDFab and Load Blu-ray Source

Run DVDFab 13 and opt for the Ripper module from the main interface. Insert a Blu-ray disc into the optical drive, or load a local source by clicking the "Add" button. You can also drag and drop a BDMV folder or ISO file directly onto the interface.

After loading, the program will automatically analyze the Blu-ray structure and display all available titles, chapters, and audio tracks.

Step 2: Choose MKV or MP4 Profile

Click "Choose Other Profile" to select the desired output format from the list. DVDFab offers a wide range of preset profiles, including Mobile-Optimized, Passthrough, H.265/HEVC, 4K, and 8K output options.

• To retain the selected source video and audio streams without re-encoding, choose a MKV Passthrough profile.
• for smaller file size, select MP4 H.265 or a device-specific preset

Step 3: Customize Settings and Edit the Video

Access "Advanced Settings" to fine-tune parameters such as video resolution, frame rate, audio codec, and subtitles. This allows precise control over output to fit your playback needs.

Use the Video Editor to preview and edit your footage before conversion. Within the editor, you can crop, trim, merge multiple clips, rotate the video, add image watermarks, and adjust brightness/saturation to enhance visual quality.

Step 4: Start the Conversion

Click the "Start" button to begin converting the Blu-ray to your chosen format. DVDFab will display real-time progress. You can pause or cancel the conversion at any point if necessary.

How to Convert BDMV to MKV for Free with MakeMKV

• Supported OS: Windows, Mac and Linux

MakeMKV 1.18.4 is a cross-platform Blu-ray and DVD ripping application for Windows, macOS, and Linux. For a BDMV source, it can place the selected video, audio, subtitle, chapter, and metadata streams into an MKV container without re-encoding the video. MakeMKV also supports Blu-ray discs protected with current AACS and BD+ versions, while MKV remains its only video output format.

Step 1: Open MakeMKV and Load the BDMV File

Launch MakeMKV on your computer, and click "File" > "Open Disc" to load the source. If you are working with a Blu-ray folder saved on your hard drive, select "Open Files" instead, and navigate to the index.bdmv or MovieObject.bdmv file.

💡Reddit User Tip: Always keep your entire BDMV folder structure intact before converting. A user from r/DataHoarder warned that if you only save the .m2ts files and delete the playlist (.mpls) files, you might ruin movies with seamless branching (multiple cuts of a movie). MakeMKV relies on these playlists to stitch the fragmented video files together in the correct order.

Step 2: Select Titles, Audio Tracks, and Subtitles

MakeMKV will display a list of available titles, playlists, audio tracks, and subtitles in the left panel. Check the box beside the main feature, which is usually the longest title. Expand each title to view its audio and subtitle options, then select your preferred language tracks.

Step 3: Choose the Output and Start Converting BDMV to MKV

Click the "Output Folder" icon on the right side of the interface. Select a destination on your computer where the new MKV file will be saved. MakeMKV automatically names the file based on the main title, but you can rename it before starting.

Press the "Make MKV" button to begin conversion. The software will start remuxing the Blu-ray data into a single MKV container without re-encoding.

How to Convert BDMV M2TS to MP4/MKV Online with CloudConvert

CloudConvert can process an individual M2TS stream extracted from a BDMV folder and save it as MP4 or MKV in the browser. It does not read the complete Blu-ray folder structure or use its playlist files, so this method is intended for a specific M2TS clip rather than a full BDMV movie structure.

Step 1: Open CloudConvert and Select the File Source

Visit https://cloudconvert.com/mp4-converter in your web browser. Click the "Select File" button on the main page.

Choose one of the five available upload options: From My Computer, By URL, From Google Drive, From Dropbox, or From OneDrive. Locate the extracted .m2ts video stream you want to process and select it for upload.

Step 2: Choose MKV/MP4 Format and Customize Settings

In the format dropdown, open the list next to "Convert to" and select either MP4 or MKV as the output format.

Click the wrench icon to open advanced settings. Here you can specify:

• Video codec: H.264 or H.265
• Resolution: 1920×1080 for full HD or 1280×720 for smaller file size
• You may also define audio bitrate and select stereo or surround sound

Step 3: Start the Conversion Process

Once all settings are confirmed, click the red "Convert" button to begin. CloudConvert will first process the file upload, then perform the conversion in the browser. During this time, keep the tab open until the conversion status changes to Finished.

Step 4: Download and Save the Converted File

When the conversion is complete, a "Download" button will appear on the results page. Click it to save the converted MP4 or MKV file to your local device.

If the file is intended for a DVD project, import it into your DVD authoring software, create the desired menu, and then burn it onto a blank disc.

Other Reliable BDMV to MP4/MKV Converters

HandBrake - Free Transcoding for Unprotected Sources

• Supported OS: Windows, Mac and Linux

HandBrake is an open-source and multithreaded video transcoder that can convert readable BDMV files to MP4, MKV, and WebM. It can also process DVD or Blu-ray sources without copy protection. HandBrake provides options to crop and adjust video during encoding.

Tip: Let HandBrake scan the readable BDMV folder before opening an individual M2TS stream. A Blu-ray title can span several M2TS files, so choosing the largest file by size can miss part of the movie. If HandBrake cannot identify the correct title, remux the title to MKV first and then encode that MKV in HandBrake.

AnyMP4 Blu-ray Ripper - Flexible Editing and Conversion

• Supported OS: Windows & macOS

AnyMP4 Blu-ray Ripper can rip Blu-ray discs, folders, and ISO files to MP4, MKV, and other video/audio formats on Windows and macOS. It also lets you edit and customize the output video by adjusting resolution, bitrate, and other settings.

Leawo Blu-ray Ripper - Beginner-Friendly Cross-Platform Tool

• Supported OS: Windows 7/8/8.1/10/11 and macOS 10.13 through macOS Tahoe 26

Leawo Blu-ray Ripper is a comprehensive Blu-ray ripping software that allows you to rip Blu-ray to various video formats, such as AVI, MP4, WMV, MKV, FLV, MOV, etc. Additionally, it can extract audio from Blu-ray movies and convert them into popular audio formats. This BDMV to MKV/MP4 converter also features video editing options, such as trimming, cropping, watermarking, and 3D settings.

Comparison of the Best BDMV to MKV/MP4 Converters

 

After diving into the introduction of the best BDMV to MKV converters, I've compiled a comprehensive comparison table based on our test team's extensive trials. By reviewing this side-by-side comparison, you'll get a future understanding of how each product performs, helping you make a more informed choice.

How I Tested and Chose

I also evaluated 3 popular BDMV converters from several important angles to address users' common concerns. I have unified the test environment, the details are as follows:

Converting BDMV to MP4

In the BDMV to MP4 test, DVDFab completed the conversion in about 13 minutes, while HandBrake required over five hours under identical conditions. DVDFab also maintained a higher average bitrate of 5618 kbps compared with HandBrake's 3000 kbps, resulting in noticeably sharper visuals and fewer compression artifacts.

Converting BDMV to MKV

As for re-encoding conversion, DVDFab completed the BDMV to MKV task in around 13 minutes, benefiting from hardware acceleration and built-in decryption for the latest protections. By contrast, HandBrake required over five hours for the same job.

In lossless mode, DVDFab again proved faster, finishing in about seven minutes and producing a smaller 28.7 GB MKV file, compared with MakeMKV's 34.7 GB output.

💡DVDFab Blu-ray Ripper is the best choice for converting BDMV files because it's easy to use, supports the latest Blu-ray protections, works quickly, and delivers high-quality results. It offers a smoother and more reliable experience than other software, making Blu-ray conversion simple for everyone.

Final Word

Converting BDMV to MP4 or MKV depends mainly on what you want to keep. MP4 is useful when smaller files and broad playback support matter, while MKV Passthrough or MakeMKV can retain the selected Blu-ray streams without video re-encoding. DVDFab Blu-ray Ripper supports both compressed MP4/MKV output and passthrough profiles, while CloudConvert is limited to individual M2TS files extracted from a BDMV folder.