How to compress videos without losing quality

Complete guide with multiple methods and troubleshooting

7-10 min read
Expert Verified
Last Updated: August 2025

Quick Answer

To compress videos without losing quality, you can use various software tools that utilize advanced codecs and settings to reduce file size while maintaining visual fidelity. Popular methods include using dedicated video compression software, online services, or built-in features in video editing applications.

Medium⏱ 7-10 min read

Prerequisites & Requirements

Before starting the video compression process, ensure you have the following:
  • •Operating System: Windows 10/11, macOS 10.12 or later, or a compatible Linux distribution.
  • •Sufficient storage space for both the original and compressed video files.
  • •Administrative permissions to install software if required.
  • •Video compression software (e.g., HandBrake, FFmpeg, or Adobe Media Encoder).
  • •Backup important video files to avoid data loss during the process.

Method 1: Using HandBrake

HandBrake is a free, open-source video transcoder that allows users to compress videos effectively while maintaining quality. This method is ideal for users who want a straightforward interface with advanced options.
  • •Step 1: Download and install HandBrake from https://handbrake.fr. Launch the application.
  • •Step 2: Click on 'Open Source' and select the video file you want to compress. The video will load in the main window.
  • •Step 3: In the 'Summary' tab, choose 'Format' as 'MP4'.
  • •Step 4: Under the 'Video' tab, select 'H.264' as the video codec. Adjust the 'Constant Quality' slider to around 20-23 for a good balance between size and quality.
  • •Step 5: Click 'Browse' to choose the destination for the compressed file, then click 'Start Encode'.
  • •Step 6: Once the encoding is complete, verify the output by playing the video to check for quality.
  • •Step 7: If the quality is not satisfactory, adjust the 'Constant Quality' slider lower (higher number means lower quality) and re-encode.

For Windows 11

Windows 11 users will find the interface similar to Windows 10, but with slight visual updates.
  • •Ensure your Windows 11 is updated to the latest version for optimal performance.
  • •Use the 'Windows Search' feature to quickly find and launch HandBrake.

For Windows 10

Windows 10 users can follow the same steps as above. Ensure that your system meets the minimum requirements for HandBrake.
  • •Check for any pending Windows updates that might affect performance.
  • •Use the 'Task Manager' (Ctrl + Shift + Esc) to monitor CPU usage during encoding.

Method 2: Using FFmpeg

FFmpeg is a powerful command-line tool that provides extensive options for video compression. This method is suitable for advanced users who prefer command-line interfaces.
  • •Step 1: Download FFmpeg from https://ffmpeg.org and install it according to your operating system.
  • •Step 2: Open Command Prompt (Windows) or Terminal (macOS/Linux).
  • •Step 3: Navigate to the directory where your video file is located using the 'cd' command.
  • •Step 4: Use the command: `ffmpeg -i input.mp4 -vcodec libx264 -crf 23 output.mp4` to compress the video. Replace 'input.mp4' with your file name.
  • •Step 5: Wait for the process to complete. You can check the progress in the terminal.
  • •Step 6: Verify the output video by playing it in your preferred media player.

Troubleshooting Common Issues

If you encounter issues during the video compression process, consider the following solutions:
  • •Error: 'File format not supported' - Solution: Ensure you are using a compatible video format (e.g., MP4, MKV).
  • •Issue: 'Encoding takes too long' - Fix: Check your system resources; close unnecessary applications to free up CPU and RAM.
  • •Problem: 'Output video has poor quality' - Workaround: Adjust the bitrate or quality settings in your chosen software.

Advanced Tips & Shortcuts

Enhance your video compression efficiency with these advanced techniques:
  • •Keyboard shortcut: Ctrl + R (in HandBrake) - Opens the 'Recent Sources' menu for quick access to recently used files.
  • •Command line: `ffmpeg -i input.mp4 -b:v 1000k -b:a 192k output.mp4` - This command sets specific video and audio bitrates for better control over quality.
  • •Hidden feature: HandBrake's 'Presets' - Access various presets for different devices to optimize compression settings quickly.

Common Mistakes to Avoid

Avoid these common pitfalls:

Expert Tips

For the best results in video compression, prioritize using modern codecs and adjust settings based on the target platform.