Video Converter > FAQs


License & Activation License & Activation


Q1.I purchased the product but didn’t get a license code. What shall I do?

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.

Q2.How Can I install and register DumboFab Video Converter? hot

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

https://www.dumbofab.com/download/dumbofab_video-converter_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 Video Converter 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..

Q3.What shall I do, if the registration code is invalid?

You can make sure you install the right version (Windows or Mac?) of DumboFab Video Converter 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.

Q4.Does the license key work for both Windows & Mac versions?

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.

Q5.Can I transfer my license key to a new computer? hot

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 on multiple machines at the same time, you need to buy the appropriate number of separate license keys accordingly.


video encoding faqs Video Encoding FAQs


Q1.The program fails to load a video file?, what shall I do?

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.

Q2.How do you improve the quality while converting videos? hot

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.

Q3.How to Speed Up Video/Audio Conversion? hot

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.

Q4.Can I convert 4K videos with this program?

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.

Q5.Can DumboFab Video Converter convert audio files?

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


video editing faqs Video Editing FAQs


Q1.How to merge multiple video clips into one file?

Activate the option "Merge into one file" beside the button "Settings". Then the program will convert your video clips and merge them into one file.

Q2.How to add a logo to my video?

Open the "Edit" window and click the tab "Text Watermark" or "Image/Video Watermark". Then you can add an image, video or text logo to your video, to protect your copyright. ( View full guide of how to add a logo to your video→ )

add logo

Q3.How to split a long video into several small pieces?

By clicking the Split button split at the buttom of the file list, or from Edit menu, you can launch the Video Split window. Ticking Enable to enable it, and then you can split the file by file count, time length, or file size. ( View full guide of how to split a video→ )

split

Q4.Can I increase the sound volume of my video?

If the volume of your video is low, click the Edit button split to open the Editor window and then drag the point to the right to increase the sound volume.

adjust volume

PS: By default the Edit icon is grayed out, To activate the Edit menu, you have to select an item first.

Q5.How to get rid of the black border around the edge of my video?

Choose a right resolution and the matching aspect ratio in the output profile. Then go to "Edit" > "Crop", and cut off the black bars around the video. ( View full guide of how to crop a video→ )


other faqs Other FAQs


Q1.What are system requirements of DumboFab Video Converter?

Product Version
Supported OS
Processor
Free Hard Disk Space
RAM
For Windows
Windows 10/8/7/Vista/XP
> 500MHz Intel or AMD CPU
512MB or above
256MB or above
For Mac
Mac OS X 10.15, 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7.
> 1GHz Intel processor or above
100MB or above
512MB or above

Q2.What is the difference between the trial version and the registered version of the program? hot

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.

Q3.Cannot update my DumboFab Video Converter, what shall I do?

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 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_video-converter_install.exe

Contact Support

If you still can't find your needed question, please contact us to get your answer.


Support Team: [email protected]



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