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How to Compress Video without Losing Quality for Free

We will walk you through how to compress videos without losing quality with the best video size reducer. Get no choppy or grainy videos after the compression.

With the development of the video industry, people are increasingly pursuing better video quality for a better viewing experience. Videos in 4K or even 8K are becoming more and more popular. However, better video quality usually means a bigger video size, which would take up a lot of storage space on your disk. And when uploading, it will consume more bandwidth usage and take more time to upload, thus causing more buffering on your audience’s end when viewing.

Compress Video without Losing Quality

So here is the problem. Is there any way to compress video without losing quality? After all, not all social media and email services support videos with such high quality and large file sizes. In this post, we will walk you through how to compress videos without losing quality with the best video size reducer. Now let's get started.

Best Free Video Compressor without Losing Quality

There are so many factors that can affect your video file size and quality, for example, bitrate, bit depth, coding format, resolution, frame rate, duration, and even the amount of movement in the video. But worry not if you don't understand all the variables above. With so many video compressing software out there on the market, they will do the job for you.

iTop Screen Recorder is such a trustworthy free video compressor. This program is originally designed as a screen recorder. And now, it comes with a new function of reducing video file size to help enhance your recording footage and other video clips.

iTop Screen Recorder offers a 1-click video compression solution. As the best video compressor without losing quality, the built-in video compressor does not require you to understand all the in-depth knowledge behind video compression. There are three video compression levels in the program. All you need to do is add your video to the software, then choose a compression level as per your needs. It's as easy as one two three. No mass, no fuss.

Even better, iTop Screen Recorder still retains decent video quality while reducing video file size. In order to compress video without losing quality, the program uses the video coding format with a better compression ratio, so that it can offer smaller video sizes at the same level of video quality. It also supports batch compression to save you from manually compressing videos one by one.

Besides, it is worth noting that in addition to the built-in video compressor, iTop Screen Recorder offers other functions like screen recording to record Zoom meetings, streaming videos and more as well as non-linear video editor to enhance your recording and videos. And you can get them all for free.

How to Compress Video Without Losing Quality

It's pretty easy to reduce video size with iTop Screen Recorder. iTop Screen Recorder can compress your recordings. And you can also add other videos from your device to the program. Here's how to compress videos without losing quality with iTop Screen Recorder.

Step 1. Download and install iTop Screen Recorder. It is fully compatible with Windows 11, 10, 8 and 7.

Step 2. Enable the built-in Compressor of iTop Screen Recorder.

Open iTop Screen Recorder after installing the program on your device. Go to the built-in Compressor from the right side of the main interface.

Launch Video Compressor in iTop Screen Recorder

Step 3. Add the video to the compressor.

Click the Add button to import the video you want to compress. iTop Screen Recorder supports batch compression. You can also drag and drop them to the program.

Add Video You Want to Compress Without Quality Loss

Step 4. Set a compression level and output format.

Choose a compression level on the right as per your needs. There are three compression levels available in iTop Screen Recorder: Normal, Advanced, and Ultimate. These three modes can reduce video size by up to 30%, 50%, and 70%, respectively.

Then select your desired output format among MP4, MKV, AVI, and MOV. iTop Screen Recorder can convert the video to other formats upon compression.

Select Compression Level and Output Format

Step 5. Start the compression.

After finishing the settings, you can click the Compress button in the lower right corner to compress video without losing quality.

Best Video Size and Specs for Social Media

Many UGC video sites have various restrictions on the videos uploaded by their users. Here we list the recommended specific upload encoding settings for some popular video sites. Hope that helps when you want to compress video without losing quality.


● Container: MP4

● Video

  • H.264 coding format
  • Progressive scan (no interlacing)
  • High Profile
  • 2 consecutive B frames
  • Closed GOP. GOP of half the frame rate
  • Variable bitrate. No bitrate limit required
  • Chroma subsampling: 4:2:0

● Audio

  • Codec: AAC-LC
  • Channels: Stereo or Stereo + 5.1
  • Sample rate: 96khz or 48khz
  • Bitrate: 128 kbps Mono, 384 kbps Stereo, 512 kbps 5.1

● Frame rate: The same frame rate the video was recorded. Common frame rates include 24, 25, 30, 48, 50, 60 FPS

● Aspect ratio: 16:9 for YouTube on computer

Also Read: How to Record YouTube Audio >>


● Container: MP4 or MOV

● File size:

  • 650MB for videos 10 minutes or less (maximum)
  • 3.6GB for videos up to 60 minutes (maximum)

● Video Codec:

  • Progressive scan (no interlacing)
  • High profile
  • 2 consecutive B frames
  • Closed GOP. GOP of half the frame rate
  • Chroma subsampling: 4:2:0

● Audio Codec:

  • Channels: Stereo or Stereo + 5.1
  • Sample rate 96khz or 48khz

● Aspect ratio: Between 1.91:1 and 9:16

● Resolution: 720 pixels (minimum)

● Frame rate: 30 FPS (minimum)

Also Read: How to Record Instagram Live >>


● Container: MP4 or MOV

● File size:

  • Up to 287.6 MB for iOS, or 72 MB for Android
  • TikTok ads can be up to 500 MB

● Aspect ratio: 9:16 is preferred

● Resolution: 1080×1920


● Container: MP4 is preferred

● File size: up to 10 GB

● Duration: less than 240 minutes long

● Audio codec:

  • Channels: Stereo
  • Bitrate: 128kbps or more

Also Read: How to Record a Facebook Live Video >>


● File size: up to 512 MB

● Video

  • H264 High Profile
  • Progressive scan (no interlacing)
  • 2 consecutive B frames
  • Closed GOP. GOP of half the frame rate.
  • Minimum Video Bitrate: 5,000 kbps
  • YUV 4:2:0 pixel format
  • Duration: 0.5 seconds ~ 140 seconds

● Audio

  • Codec: AAC-LC
  • Channels: mono or stereo, not 5.1 or greater
  • Sample rate: 96khz or 48khz
  • Minimum Audio Bitrate: 128 kbps

● Frame rate: 30 FPS, 60 FPS

● Resolution: 1280x720 (landscape), 720x1280 (portrait), 720x720 (square)

● Aspect ratio: 16:9 (landscape or portrait), 1:1 (square)

Also Read: How to Record Twitter Video >>


No one wants to get choppy or grainy video after compression.  iTop Screen Recorder comes with a free built-in video compressor to help reduce video size in a reasonable ratio while keeping high quality. It strikes a good balance between video size and image quality. iTop Screen Recorder could be one of your best choices to compress video without losing quality. Please download iTop Screen Recorder to compress video without losing quality now.

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