HD Video Converter for Mac – Get Started


Dimo HD Video Converter for Mac is the strongest tool for UHD video conversion with best balance in resolution and size on Mac. This part presents the details on download and convert any High Definition video (4K included) to SD, 720p/1080p HD and 4K video in MP4, MOV, AVI, MKV, WMV and more for any player and video editing software without quality loss on your Mac computer in a flash!

User Manual Download User Manual

> Brief Introduction

The trial version of Dimo HD Video Converter for Mac has the following limitations:

Trial version vs. Full version

Downloader limit: For the trial version users, you have one chance to download video from the internet.
Conversion limit: For the trial version users, the length of converted HD video file from transcoding and compressing is limited. You can only convert 1/3rd of the video with the trial version.
ISO Making limit: Users can make ISO from folder with only 3 times with the trial version.
No technical support provided: For trial version users, no technical support is provided.

※ Tips: you can upgrade to full version to remove limitations above. Also, the full version will constantly upgrade to latest version for free and provide technical support. See the full version benefits below:

With full version of Dimo HD Video Converter for Mac, you will enjoy the complete benefits including:

No downloader limit: You can download video from the internet by anytime.
No converting limit: You can convert any HD video with no length limitation. 
No ISO Making limit: There is no limit on the number of times that you can make ISO. 
Complete technical support: You will get the complete technical support and upgrade from Dimo for lifetime.

Here is how you can upgrade to Dimo HD Video Converter for Mac full version.

1: Click "Buy Now" on the "Trial Version vs. Full Version" window to purchase the full license code.

2: Or click "Register" button in the program's toolbar and click "Buy Now".

※ You will receive product information with license code via email once you complete the order.

1. Open Dimo HD Video Converter for Mac.

2. Input your "License Code".

3. Click "Register" to complete the registration process.

※ There are no spaces in the license code field. It's highly recommended to copy & paste your code to avoid any typos.

※ Please make sure you have proper Internet connection when registering Dimo program.

4. You will see a pop-up window confirming that you have registered successfully.


Convert HD video

High-definition videos bring us vivid enjoyment. However, they can't be played on all players. For example, the hot 4K HD videos, whether downloaded from YouTube or recorded by your 4K camcorder, cannot be played on iPhone directly. Or you recorded an HD video but the format is unsupported by your player. Under these circumstances, you need to convert HD video to standard definition video or HD video in other formats before watching them on other players. Here is the tutorial of how to use Dimo HD Video Converter for Mac properly.

Step 1. Download and install Mac HD Video Converter

1. Download and install Dimo HD Video Converter Format on your computer. Register with your the registration code you get after purchasing.

Step 2. Add the HD video file(s)

Click "Add File" and load the HD video to the program. You can simultaneously add several HD videos by clicking "Add File > Add multi-files" or "Add File > Add Folder"

Add file

Step 3. Choose the output format

Click the drop-down list on the right of "Select Format", choose the one that suit your player or device best.

Tip: You can also click "Setting" to change the format parameter like code, resolution, bitrate, etc. of output files. And come down to the Destination part. Click "..." and set the destination folder to save the converted video file. Or you could skip this step to leave it default.

video settings

Step 4. Convert HD video file to your wanted one

After completing the settings, you can click the "Start" and start to convert the HD video file to the video format you have chosen. You'll see the status changed below the item bar. When done, open the converted files by clicking "Open" or "Open Folder" at the downright box.


Create ISO

In the "Make ISO" tab, you're able to create an ISO very simply and easily with Dimo HD Video Converter for Mac, please see the steps as below:

a. Click "Make ISO" and locate your source HD video folder.

b. Click "Start" to create ISO.

Create ISO


Make GIF

Step 1. Load HD Video Files

Click on the "Add File" icon on the top bar of the software, or directly drag and drop HD video to the program. You can add multiple files by clicking "Add File > Add Multi-files" or "Add File > Add Folder".

Add video

Note: You could playback loaded media files by clicking with the built-in player.

Step 2. Editing the video

Click "Edit" to activate build-in video editor, then go to "Trim" to simply select the start and end times in the progressing bar by moving the points and click "+" to cut the video and press "OK".

Tip 1: If you think the video containting the embrassing background, then you could click "Adjust" > "Crop" to locate your specific portion of your video in output .gif file.

Tip 2: Click "Effect", you can apply some color effects like de-interace etc; And "Watermark" to input text you like to show;

Step 3. Choose Output GIF Format

Open the drop-down box right and then click the "Select Format " bar to enter the "Profile" panel, where you could select a proper profile as output format. You could select "GIF" from "Format > Video".

Choose GIF format on Mac

Or make use of the profile search bar to search desired profile quickly.

Step 4. Set Video and Audio Parameters

You could hit the setting gear icon to enter the "Profile Settings" interface to adjust video and audio parameters of selected output profile, including: Video Codec, Quality, Video Size, Bit Rate, Frame Rate, Aspect Ratio as well as Audio Codec, Quality, Bit Rate, Sample Rate, Channels, etc.

GIF settings

Tip: Here you can optimize the frame rate because your computer may not be able to run everything smoothly at a higher frame rate. Most videos are shot at either 30 or 60 fps, but GIFs are meant to be quicker, smaller, and a little jerky looking. The basic principle here is that, the smaller the framerate, the faster the GIF will take to play and load. 10-15 FPS is usually perfect.

Step 5. Start making GIF from HD video

Set a directory to save the output files by clicking "...". Then Click on "Start" button to start converting HD video files to GIF within this video converter software. Now your created .gif file from video is ready to be used for uploading to Instagram, Imgur, Minus, Dropbox, or any other file hosting service you prefer, or social media posts etc.


Download online movies

If you like some videos from the Internet, you can use Dimo HD Video Converter for Mac to download them.

a. Search for your favorite video/movies/films from YouTube, Dailymotion, Vimeo and other 300 online video sites. Copy its URL by "Command + C". Then Launch the online video downloader, turn to "Download" tab, and "Command + V" to paste the URL to the address bar of the downloader.

download video

b. After you added URL, Click "+". When it is downloaded, just click "Open", then you can see the video.

download video


Preview & Take Snapshots

After importing, all HD video files will be listed in the program. You can preview the imported movie file by clicking the play button on video thumbnail. By clicking the camera button under the preview window, you can take snapshot from the playing window as snapshot or for other use. After clicking, wait a few seconds, you could find the snapshots you took.

Play video on Mac


Cut HD video length by trimming

After loading source video files, click the "Edit" icon in the loaded video title to enter the video editing panel. Under the Trim tab, drag the slider to cut a specific length, or adjust time values in Start Time and End Time box to trim video to milliseconds. The total Clip Length will be displayed.

Trim video

Get HD video size by cropping

In the Adjust tab, make a selection on Keep Aspect/Full Screen/16:9/4:3, and then directly drag the dot frame over the video to crop size. Here, you could even rotate videos for special angle of view. You can also check to activate to adjusting Contrast, Saturation, Brightness, etc. and directly drag the progress bar to get the effect you need. And you can preview the original and modified video in the preview area in real time. You can click "Apply to All" to apply this settings to other added videos befor conversion.


Adjust HD video by effecting

Under the Effect tab, directly drag choose from 32 effect. Instant video effect will be shown on the video, you can judge whether it meets with your requirements or not.

Add effect

Add copyright by watermarking

Under the Watermark tab, write character to add Text Watermark over the video. Move the sliders of Left Margin and Top Margin or set font size values to make watermark display better on video.

Add watermark

Apply 3D Effect

On the video editing panel, under the 3D tab, choose a 3D setting mode from "Red-Blue", "Top Bottom", or "Left-Right" according to the 3D glasses type you are employing to watch 3D video. You could get an instant preview of selected 3D movie effect via the built-in player.

Add 3D Effect


Mirror locate files

If you want to share local media folder including HD video files from Mac to portable devices, then please go for HD Video Converter for Mac and turn to the "Media Server". Here is a small step by step guide that will guide you through the process of mirroring:

a. Keep your iPhone/iPad/Android device/TV and Mac in the same network

b. Click "Browse..." to locate the source HD video folder

c. Press "Share" and use your device to scan the upcoming QR code or write http://IP:PORT like "" (without quotation marks) into the address bar of the browser.

d. Now you can view the source files wirelessly on your devices if they are supported by browser.