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Windows/Mac] Learn how to convert DCV videos downloaded from FANZA to MP4 format.

Updated on Mar 06, 2024 | 10 Minutes Reading
This article shows you how to easily convert DCV videos downloaded on FANZA to MP4 format for both Windows and Mac. by converting from DCV format to MP4 format, you can get a free playback experience.

Are you having trouble viewing DCV videos purchased on FANZA on any playback player other than the DMM Player, and you may be looking for a way to convert DCV format to MP4 format? So, this article will show you how to easily convert DCV videos downloaded on FANZA to MP4 format for both Windows and Mac.

What are DCV videos purchased on FANZA?

What exactly is this ".dcv" extension?
hyo Illustration
Kobayashi Ice
This is FANZA's own file format.

Videos purchased and downloaded from FANZA are saved as ".dcv" extensions. The ".dcv" extension is currently used by Japanese distribution services such as "DMM.TV" and "FANZA. Due to the DRM protection technology, videos saved in this format cannot be played on general playback players, and DCV videos downloaded from Fanza cannot be played without the DMM Player.

I see, so it is a video format. So what is the difference from the normal video format mp4?
hyo Illustration
Kobayashi Ice
I think the biggest difference is its coverage.

What is the difference between FANZA's DCV format and MP4 format?

DCV and MP4 formats are two different file formats, with the main differences being usage, security features, and file structure.

The DCV format is a file format used by encryption tools to protect digital data stored on computer media; a DCV file is an encrypted container that can contain a single file, folder, or an entire partition of a user's hard drive. Simply put, a DCV file is a very secure format that is completely unreadable without the proper password or the right combination of passwords.

The MP4 format is a common multimedia container format used to store multimedia data such as video and audio. MP4 format files can embed data in a variety of formats, including encoded video and audio, and most It is widely used because it is supported by most multimedia players.

In summary, the DCV format is primarily used to encrypt and protect data, while the MP4 format is primarily used to store and play multimedia data.

Advantages of converting FANZA videos to mp4
  • - Perfect alternative to dedicated players: While videos downloaded using FANZA's download function can be played only with DMM Player, this player is often said to be "difficult to use" or "impossible to use," and often has problems such as pausing or corruption of the software itself. If you can save FANZA videos as mp4, you can play them on almost all players.
  • - Exceeding the limitations of the operating environment: DMM Player requires iOS13 or later, Android 5.0 or later, or Windows 10 version. If you can save FANZA videos as mp4, you can play them on a variety of devices.
  • - Avoiding the risk of being BANNED: Violating DMM's Terms of Service can result in a temporary or permanent ban on your account. This will prevent you from viewing PPV purchases and unlimited monthly subscriptions, so if you download FANZA videos as mp4s in advance, you can continue to enjoy the content even if your account is banned.
  • - Extension of viewing period: FANZA has a lot of monthly unlimited content. Subscribing to a monthly subscription plan usually allows you unlimited viewing for one month and only for that time period. If you want to extend the expiration date of a work, you can save the Fanza video as an mp4 and delete it when you get tired of it.

DCV files downloaded from Fanza are directly associated with DMM player, and if you have DMM player, you can double-click to open the DCV file directly, otherwise , you cannot open the DCV file.

A bit troublesome! Is there any way to convert DMM DCV files to MP4 files?
hyo Illustration
Kobayashi Ice
Of course!

If you want to play on common playback players, first convert FANZA's DCV videos to the versatile MP4 formatYou have to do it. Below we would like to show you how you can convert FANZA video to MP4 format on Windows and Mac.

Windows/Mac】Best free software to convert FANZA DCV videos to MP4

Windows/Mac] Best free software to convert FANZA DCV video to MP4-1

First of all, I would like to recommend a conversion software that works on both Windows and Mac, so no matter which OS you are using, you can use it--KeepStreams Fan za Converter. I don't know much about it, but KeepStreams Fanza Converter has an excellent ability to convert and save Fanza videos with ".dcv" and ".wmv" extensions to MP4 format.

Our KeepStreams has a huge difference in terms of performance compared to many commonly known fan downloaders. The biggest advantage is the ability to save videos in the highest quality Full HD and 4K quality. This allows you to enjoy your content in the best possible quality without worrying about any quality degradation in the converted video.

In addition, KeepStreams has an easy-to-use user interface that is designed to be simple to operate, even for beginners. The intuitive operation method makes it easy for anyone to use.

Moreover, with KeepStreams Fanza Converter, you can download Fanza videos completely free of charge. You can freely download up to three videos with no restrictions on quality, length, or audio. Thus, you can save your favorite movies without limitations and enjoy them offline as much as you want.

Below, let's check out how to convert Fanza videos from DCV to MP4 with KeepStreams Fanza Converter.

How to use KeepStreams Fanza Converter Software?

*KeepStreams Operating Environment

  • Windows 11,10,8.1,8,7 (32/64 bit) / macOS Catalina, Big Sur, Monterey
  • 4GB RAM or higher
  • 40GB free hard disk space or more

STEP1 Download and install KeepStreams Fanza Converter

First of all, please download Fanza Converter software from KeepStreams official website or click the button below to download Fanza Converter software according to your device model.

 Free Trial

STEP2 Launch KeepStreams and set the output format for your FANZA video.

After installing KeepStreams Fanza Converter Soft, launch it and click "≡" in the upper right corner to set the output format (default is MP4 format) from "Video Format" under "VIP Service".

STEP2 Launch KeepStreams and set the output format for FANZA videos. -1

STEP3 Go to Fanza in the built-in browser and login

Select "Adult Services" > "FANZA" on the left side, and when the FANZA top page appears, open the menu on the right side of the screen and select "Login" to log in to your DMM account. Enter your e-mail address, ID, password, etc. as appropriate to log in.

STEP3 Go to FANZA in the built-in browser and log in-1

STEP4 Select the video you wish to download

Once you have logged in, purchase the video content you wish to download, or select the movie you wish to download from the content you have already purchased.

STEP4 Select the video you want to download-1

STEP5 Set the video output quality

You will then automatically be presented with a screen that allows you to select the video quality you wish to download, and you can freely select the quality of the video you wish to download.

STEP5 Set video output quality-1

STEP6 Video downloading starts

Click "Download Now" to start downloading the video. After downloading, open the filter and the FANZA video will be saved in ".mp4" format.

STEP6 Video download begins-1

Similarly, converting DMM videos from DCV format to MP4 is easily achievable.

Is it illegal to convert from DCV to mp4?

I'm a little concerned, isn't it illegal to convert a FANZA DCV file to mp4 format since it is encrypted?
hyo Illustration
Kobayashi, Ice
I understand your anxiety very well. Here are some things to keep in mind before converting DCV files to MP4 files.

FANZA is equipped with DRM protection, a digital rights protection technology designed to protect the copyright of digital content. It controls the use of digital content primarily by restricting users from copying, distributing, and modifying the protected content.

Under DRM protection, digital content is encrypted with additional usage restrictions to prevent unauthorized copying, distribution, and use. Only authorized users can use and access the digital content.DRM technology not only effectively protects copyright from piracy and illegal copying, but also improves the security and reliability of digital content.

Speaking of which, is it illegal to convert from DCV to mp4? You may be wondering.

but you don't have to worry about it being illegal to convert DCV files from FANZA to MP4 format. It is not illegal as long as you do the following two things

  • First, make sure you have the right to watch the video. This requires that you purchase FANZA films in advance or enroll in an unlimited monthly subscription plan.
  • Second, it is also very important to make sure that you will not distribute the converted MP4 files to third parties or use them for commercial purposes.

As long as you make sure that the converted MP4 files are for personal use only, you will not get caught and you will not break any laws.


Q1. Why can't I play videos downloaded from FANZA on common players?

A1. Videos downloaded from FANZA are saved as ".dcv" extension. The specialized video player is DMM Player. If you play the dvc videos using other playback players, the screen will become a sandstorm or the screen will turn black.

In order to play FANZA dvc videos on common players, you need to convert them to MP4 format first, and KeepStreams Fanza Converter is easy-to-use and simple to operate. You can easily convert your favorite videos purchased on Fanza to MP4/MKV format and enjoy them on your favorite playback player without being restricted to a dedicated player.

Q2. Can I watch videos purchased on FANZA offline in picture-in-picture format?

A2. Videos purchased on FANZA cannot be viewed directly on a picture-in-picture device such as an iPhone. This is because the videos downloaded from FANZA have DRM and will not play in picture-in-picture mode.

If you want to watch offline in picture-in-picture, you need to convert Fanza videos to MP4 first, and then use KeepStreams Fanza Converter to convert and save the videos to MP4 on Windows or Mac, and transfer them to iPhone, iPad, Android, TV, etc. You can transfer them to your iPhone, iPad, Android, TV, and other devices, and watch them on common playback players, even picture-in-picture.

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Hyo Kobayashi
I have a passion for everything, from IT to DVDs, novels, and comics. With over two years of expertise, I excel in DVD copying and IT. I keep up-to-date with the latest trends and enjoy engaging in discussions about technology and hobbies. Feel free to join in!
Jessie Smith
Jessie Smith
If you are interested in what KeepStreams can save, movie should come first for one of its best features.

KeepStreams support most OTT platforms and movie streaming services, we offer great service to maintain the integrity of our brand experience.

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