Frequently Asked Questions

Step 1:Please copy and paste link below into your browser to download the full installer.

https://www.dumbofab.com/download/dumbofab_video-converter-ultimate_install.exe

Step 2: After the installation, open the program, and then go to the Menu icon and move mouse cursor to Help tab and press Register (or you can directly press Ctrl + Shift + r), and then the Registration Window will pop up:

Step 3: Then, copy and paste the registration code into it, then click the Register button to go ahead. Once DumboFab DVD Ripper is registered successfully, you'll see a pop-up registration successful page.

Tips: Please ensure there's no trailing blank when entering your licensed E-mail and registration code..

You can make sure you install the right version (Windows or Mac?) of DumboFab Video Converter Ultimate first, then check if there's trailing blank when entering the lregistration code (note they are all zeros in the registration code, no letter O). Please contact customer service ([email protected]) if neither way works.

Generally, you will receive the registration code via e-mail within one hour after the order is successful. If you have not received it in time or lost it, please contact [email protected] (Please provide the order number). We will send the registration code to you instantly.

No. The key for Windows and Mac is different. If you purchase the wrong version of our program, please contact our support team ([email protected]) within 7 days to exchange the license.

You need to uninstall our program from your original PC for using on new computer. Generally, one license key can only be activated on a single computer for single user license. If you want to use the DumboFab Video Converter Ultimate on multiple machines at the same time, you need to buy the appropriate number of separate license keys accordingly.

1. Make sure that the file format is supported.

2. Make sure that the file is not encrypted, such as DRM protected.

3. Make sure that the file is not damaged. (A normal file can be played in VLC.)

4. Drag and drop the file to the file list of the program, and check if it can be loaded.

5. Contact our support team ([email protected])for further help. Send us the original file if possible.

The quality of converted video has something to do with your computer's performance (hardware) and the video settings you've made.

To convert video at higher quality, first make sure your computer doesn't have heavy tasks. Quit all unnecessary programs. To do so, start the Windows Task Manager by key combination CTRL+ALT+DELETE and select processes you want to terminate before clicking End Process button in the Process tab.

1. Make sure the video file plays well on your computer and can be played in our program.

2. After selecting an output format, click the Settings button and then set Video Bitrate as the Original or a higher parameter.

Remember that the file size and video quality is based more on bitrate than resolution which means bitrate higher results in big file size, and lower visible quality loss.

There are many factors that can affect the speed of conversion:

• The length and the size of the source file.

• Settings for output files, such as resolution and video bitrate.

• Computer configuration.

Here are some tips that can help to speed up the conversion:

1. Open the program and go to Tools > Option window, click "Acceleration". Then, tick Enable GPU Encode Acceleration.

2. Don't run other programs on the computer while converting.

3. The higher parameter of resolution, frame rate the source video has, the longer it takes to convert it. If you want to speed up the conversion, you can choose or customize the Minimum parameters of Resolution and Video Bitrate, but the quality of your video may be affected.

Yes, the program can convert 4K uhd videos and output your videos with 4K HD resolution. It supports various 4K video codecs, such as HEVC, H.264, VP9, VP8, WebM.

Yes, DumboFab Video Converter Ultiamte is also an audio converter that support different audio formats like MP3, M4A, AAC, FLAC, WMA, WAV.

Yes, DumboFab Video Converter Ultimate can effortlessly decrypt and rip Blu-ray discs under the protection of AACS encryption, BD+ and the latest MKB technology, and rip and convert CSS-encrypted DVD discs for further usage. Besides, the program can easily remove region code restriction upon Blu-ray/DVD discs.

Yes, DumboFab Video Converter Ultiamte is always being updated to support the latest Blu-ray movies.

1) If the case happens to all Blu-ray or DVDs, you can follow the steps below to solve the problem.

· Make sure you are using the latest version of DumboFab Blu-ray Ripper.

· Make sure you have connected a Blu-ray Drive to load the Blu-ray disc or DVD.

· Make sure the system read the Blu-ray Drive and Blu-ray disc correctly.

· Make sure you have a good network.

· Uninstall the program and restart the computer. Then install the program again.

· Close the anti-virus program when downloading.

When the set up finishes, please right-click the icon on the desk top of your computer, and choose Run as administrator.

If your problem still cannot be solved, please contact us ([email protected]) with all files in the log folder for analysis. Here are the ways for you to find files in the log folder.

• Move your mouse cursor to the upper-right corner and click "Help" and select "Open Log", it will direct to the installation folder of this program. The log folder is in the installation path.

2) If the case happens to some DVDs only, it is maybe the encryption issue. We suggest you contact us with detailed information, including Blu-ray or DVD name, the region code, publisher and Amazon link.

Yes. DumboFab Video Converter Ultimate offers a library of preprogrammed optimization profiles for specific devices including but not limited to iPad Pro, iPhone, tablets, gaming systems, smart TVs, etc.

Yes, DumboFab Video Converter Ultiamte can effortlessly extract audio streams from your favorite Blu-ray movie and save them into common audio formats like MP3, M4A, FLAC. Moreover, you can also save part of the background music from your Blu-ray into desired audio files.

Yes. DumboFab Blu-ray Ripper supports renaming the output video. You can move mouse cursor to the "Edit" menu and click "Rename" option to type the proper file name.

Yes, you can click "Edit" > "Crop". Then, choose the crop area ration, and select the want part.

Click "Edit" > "Effect" to set special effect and filters. Choose the filter and adjust contrast, saturation, brightness and hue.

Add a subtitle: Click "Edit" and choose "Subtitle" to add a subtitle to your video. Subtitles in srt, ass, ssa formats are supported.

Add watermark: Click "Edit" and choose "Watermark" to add text or image to your video.

The trial version and registered version are the same product, except for the limitation: Limit the output files to 3 minutes. After purchasing, you will get a registration code. Once you register the product, the free trial limitations will be removed.

1. Make sure there is no dusk on your Blu-ray or DVD disc.

2. Make sure the graphics card has the latest driver update.

3. Errors may lay down on the disc, you may need to replace a new one.

4. Contact our support team ([email protected]) for further help. Send us the original file if possible.

Generally, if a new version released, you will receive an update reminder when you open our program, just click the OK to update it. If you're satisfied with current version, just ingore this.

PS: You can check out whether your DumboFab Video Converter Ultimate is the latest version or not by moving mouse cursor to "Help" > "update".

If you failed to update it from the software itself, you can directly download it from the following link:
https://www.dumbofab.com/download/dumbofab_macx64-video-converter-ultimate.dmg