Re-encode Video to Desired Size, Quality, Format, etc.

Author: Michelle
Publish date
Updated on Feb 14, 2025
Re-encode Video
  • It only takes four steps to re-encode your video. Download Download the video converter tool and:
  • Step 1: Add the video to the program.
  • Step 2: Select the output format.
  • Step 3: Change the encoding settings as needed.
  • Step 4: Start the re-encoding process.
Quick Navigation
What is Video Re-encoding
Why You Need to Re-encode Videos
A Powerful Video Converter for Video Re-encoding
How to Re-encode a Video on PC
FAQs of Re-encoding Videos
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Key Points:

  • Video re-encoding is a skill to optimize your videos for better playback performance.
  • A video converter like WonderFox HD Video Converter Factory Pro can help you re-encode videos with ease.
  • Video re-encoding is resource-intensive, and the processing time can vary.

Curious about video re-encoding? Below, you can find answers to what is re-encoding, why it is important, and how to re-encode a video using a dedicated video converter.

Let’s start!

What is Video Re-encoding

When a video is first created, the raw video data is extremely large and needs to be encoded into a compressed format before distribution. Re-encoding means to encode the compressed video again using different encoding settings.

To be more specific, the re-encoding process involves taking a compressed video, decompressing it and then compressing it again with different settings such as codec, bitrate, or resolution.

The term is often used interchangeably with transcoding, except that transcoding always changes the video container format, while re-encoding can stay in the same format but use different encoding parameters.

Why You Need to Re-encode Videos

Video re-encoding is required in many cases, such as

  • Achieve format compatibility: You may have encountered a situation where the video fails to play due to an unsupported format or codec. Re-encoding the video can make it compatible with your device or player so it can be played correctly.
  • Reduce video file size: When a video is too large, you can re-encode it by adjusting bitrate, resolution, or using more efficient codecs to reduce the video file size.
  • Improve streaming and playback performance: There are standards for smooth streaming videos over the internet, and you can optimize your video to those standards to improve the playback experience for your audience.

In short, re-encoding can tailor a video to your specific needs or preferences. Therefore, you need to re-encode videos, and knowing how to re-encode a video is important.

A Powerful Video Converter for Video Re-encoding

WonderFox HD Video Converter Factory Pro is a video conversion program on Windows that allows you to easily re-encode videos the way you like.

It provides flexible encoding settings, including codec, bit rate, resolution, frame rate, etc., as well as more than 600 output formats and devices to meet your various conversion needs.

As a professional program, it also guarantees high-quality output, and its support for hardware acceleration also ensures high-speed conversion.

The program is simple and easy to use, and also supports batch conversion. Now, let's download and install Download the software to see how to re-encode videos.

HD Video Converter Factory Pro
HD Video Converter Factory Pro

The easiest and fastest way to re-encode your videos to other bitrates, resolutions, codecs, etc. is in just a few clicks. All formats are supported. Download the software to try it out!

Free download Download for Free
Free download Download for Free

How to Re-encode a Video on PC

Step 1: Add the video to the program

Launch the software and open the Converter program. Next, click Add Files to add one or more video files to the conversion list.

Add Video File
Add Video File

Step 2. Select the output format

Press the format image on the right side of the program to unfold the output format library. Then go to the Video category and select the output format.

Select Output Format
Select Output Format

Step 3. Change the encoding settings as needed

Open Parameter settings and adjust the encoding settings to your liking. For example, select a different encoder like H264 for better compatibility or H265 to reduce the size. Or select a lower resolution or bitrate to re-encode the video to a smaller size. After completing the settings, click Ok to continue.

Modify Re-encoding Settings
Modify Re-encoding Settings

Step 4. Start the re-encoding process

Finally, click the ▼ button at the bottom of the interface to set an output path and hit Run to start the video re-encoding process. If your computer supports hardware acceleration, the program can enable it to speed up the re-encoding process up to 30x.

Re-encode Video at Once
Re-encode Video at Once

Please note that while re-encoding videos with WonderFox HD Video Converter Factory Pro is easy and fast, you can only process the first five minutes of your video for free if you use the unregistered version. To handle longer videos, you need to purchase a license (currently, the 50% discount coupon for the software is still valid). After fully activating the software, you can enjoy more advanced features such as batch compression, unlimited video downloads, HD screen recording, GIF making, etc.

You can also try to re-encode videos with the free version of the program, but it has limited features such as slow speed, no batch processing support, and no FHD/UHD output.

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WonderFox DVD Ripper Pro
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WonderFox DVD Ripper Pro

Want to encode your DVD into digital videos with small size and high quality? WonderFox DVD Ripper Pro presents an easy and fast way to do just that. With three steps only, it allows you to convert any DVD, even the encrypted ones, to popular digital formats including MP4, MKV, MOV, AVI, MP3, WAV, H264, H265, Android, iPhone, and so on. It is simple, fast, and efficient. Download it to enjoy a fast and trouble-free DVD ripping experience.

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Free download Download for Free
* Please DO NOT use it to rip any copy-protected DVDs for commercial use.
*

FAQs of Re-encoding Videos

1. What does it mean to re-encode a video?

Re-encoding video means the process of compressing video from one encoding setting to another.

2. How long does it take to re-encode a video?

Depending on the original size of the video and the re-encoding method you choose, it can take anywhere from a few seconds to a few hours. For example, re-encoding a two-hour, 2.5 GB 720p AVI video to a 720p MP4 video using the H264 encoder takes about 2 hours to process. If you use H265/HEVC, the processing time can be up to 5 hours.

That said, if your computer supports hardware acceleration, it will be 30x faster.

3. Why does video re-encoding take so long?

If the original video is high resolution and large in size, and you want to re-encode the video to a more compressed format, the process will take longer.

4. Does re-encoding a video reduce quality?

Yes, re-encoding a video usually reduces quality because the video encoders are mostly lossy codecs.

5. Video encoder vs video container

A video encoder and a video container are not the same thing. A video encoder is a program that encodes video data, and a video container is a package file that can hold a video encoder and other video data.


That’s all I want to share about video re-encoding and how to re-encode videos. I hope this article is useful to you. Thanks for reading. Have a good day!

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