TL;DR: Need to compress MP4 videos without sacrificing too much quality? This guide covers 5 easy ways to reduce MP4 file size on Windows and Mac or compress MP4 online for free. Compare desktop, built-in, and online tools, and learn how to adjust video size, resolution, and bitrate. For an easier compression experience with customizable settings, Video Converter Ultimate is our top recommendation.
Large MP4 videos can quickly eat up your storage space, take forever to upload, and become a headache when you try to share them. Sound familiar? The good news is that you don't have to delete your favorite clips or settle for noticeably blurry videos. With the right MP4 compressor, you can easily shrink large video files, make sharing faster, and free up valuable storage space.
Whether you're using Windows or Mac, or simply want to compress MP4 online for free, this guide will walk you through several easy ways to reduce MP4 file size while keeping your videos looking as good as possible.
If you want to compress MP4 without losing quality as much as possible, Video Converter Ultimate is a practical option for Windows and Mac users. It offers a dedicated video compressor that lets you adjust the target file size and customize output settings without manually configuring a complicated encoding workflow.
Unlike basic converters that only provide a few preset resolutions, this tool allows you to adjust several parameters to balance file size and video quality. It's especially useful when you need to compress a large MP4 file for sharing, uploading, or storing on a device with limited space.
Key features of Video Converter Ultimate:
To reduce MP4 file size without losing quality, follow the steps below:
01Open Video Converter Ultimate, go to the "Video" tab, and choose "Video Compressor" to access the compression tool.
02Add the MP4 file you want to compress. Adjust the target file size and customize other output settings, such as the file name, format, resolution, and bitrate, to balance file size and video quality.
03Choose an output folder for the compressed MP4 video. Click "Compress" to start reducing the MP4 file size and save the compressed video to your computer.
VLC Media Player is a popular free, open-source media player that also supports video conversion. If you already use VLC, you can use its built-in conversion feature to reduce MP4 file size without installing another application.
VLC is particularly useful for users who want to reduce MP4 file size on Windows without paying for a dedicated compressor. However, its conversion interface is less straightforward than that of specialized compression tools, and you may need to experiment with codec and bitrate settings to achieve the desired result.
Here is how to reduce MP4 file size with VLC:
Step 1. Open VLC Media Player on your computer. Then, click "Media" > "Convert / Save" on Windows.
Step 2. Click "Add" to select the MP4 video you want to compress, then click "Convert / Save".
Step 3. In the conversion window, choose an output profile, such as an MP4-compatible H.264 video profile. Click the profile's settings or edit icon if you need to customize its encoding parameters.
Step 4. Open the video codec settings and adjust the bitrate or resolution if necessary. A lower video bitrate generally produces a smaller file, although excessive reduction can introduce compression artifacts. You can also review the audio bitrate settings if audio contributes significantly to the file size.
Step 6. Choose the destination folder and enter a name for the output file with the .mp4 extension.
Step 7. Click "Start" to begin conversion. Once VLC finishes, check the resulting MP4 file to confirm that it plays correctly and meets your size requirements.
HandBrake is a free, open-source video transcoder for Windows, macOS, and Linux. It is a strong choice if you want to compress MP4 video files by changing the encoder, quality level, resolution, or other encoding settings.
Unlike a simple file-size slider, HandBrake gives you detailed control over how a video is encoded. This makes it useful for shrinking large recordings, reducing the size of videos before uploading them, and converting high-bitrate MP4 files into more storage-efficient versions.
HandBrake is especially suitable for users who want a free MP4 compressor and don't mind learning a few technical settings.
Here is how to compress MP4 video to a smaller size with HandBrake:
Step 1. Download HandBrake from its official website and install it on your computer.
Step 2. Launch the program and click "File" or "Open Source" to load the MP4 video you want to compress.
Step 3. Under the "Summary" tab, select "MP4" as the output format if it is not already selected.
Step 4. Open the "Video" tab and choose an encoder, such as "H.264" or "H.265". H.265 may deliver a smaller file at a comparable visual quality in some cases, although encoding speed and device compatibility vary.
Step 5. Adjust the quality setting. HandBrake's constant-quality control is useful when you want to preserve a consistent visual quality level while allowing the output file size to vary. Moving toward stronger compression can reduce the size but may also lower quality.
Step 6. If the video has a higher resolution than you need, open the "Dimensions" tab and reduce its output resolution. You can also review the audio settings if further size reduction is necessary.
Step 7. Choose a destination folder and enter a filename for the compressed video.
Step 8. Click "Start Encode" and wait for the process to finish. Check the output file's size and quality before deleting or replacing the original.
If you're using a Mac and don't want to install additional software, QuickTime Player is a convenient starting point. This built-in macOS application can export videos at different resolutions, helping you reduce MP4 file size when a smaller output resolution is acceptable.
QuickTime Player is not a dedicated MP4 compressor, and it does not offer a universal target-size slider. However, exporting a video at a lower resolution can reduce its size, making it useful for basic compression tasks.
If you're searching for how to reduce MP4 file size on Mac for free, QuickTime Player is worth trying before downloading another application.
Here is how to reduce MP4 file size on Mac via QuickTime Player:
Step 1. Open QuickTime Player on your Mac.
Step 2. Click "File" > "Open File" and select the video you want to reduce in size.
Step 3. After the video opens, click "File" > "Export As" and review the available resolution options.
Step 4. Select a lower resolution if appropriate. For example, exporting a 4K video at 1080p can substantially reduce the amount of video data, although the exact file-size reduction depends on the source and export settings.
Step 5. Enter a filename and choose the destination folder. Save the exported video.
Step 6. Wait for the export to finish, then check the new file's size and playback quality.
If you don't want to install desktop software, an online MP4 compressor is another option. FreeConvert offers a browser-based video compression tool that allows you to upload a video, adjust available compression settings, and download the smaller file.
This approach is convenient when you need to compress MP4 online for free for occasional tasks. However, online compression has some limitations. Uploading and downloading large videos can take time, and the available file-size limits may depend on the service's current plan and settings. You should also consider privacy before uploading sensitive footage.
Here is how to compress MP4 video online for free with FreeConvert:
Step 1. Open the FreeConvert Video Compressor website in your browser.
Step 2. Click the "Choose Files" button and upload the MP4 video you want to compress. You can select a video from your computer or import one from a supported cloud storage service.
Step 3. After uploading, click the gear-shaped "Settings" icon to customize the compression options. Depending on the available settings, you can adjust the video codec, compression method, or target file size to make the output smaller.
Step 4. Click "Compress Now" to start processing. Wait for FreeConvert to finish compressing your MP4 video.
Step 5. Once the conversion is complete, click "Download" to save the compressed MP4 file to your computer.
Compressing MP4 videos doesn't have to be complicated. VLC Media Player and HandBrake are good free choices for users who want more control over video encoding; QuickTime Player offers a convenient option for basic compression on Mac, and FreeConvert makes it possible to compress MP4 online without installing software.
However, if you regularly need to reduce MP4 file size while controlling the output size, resolution, and bitrate, Video Converter Ultimate is our recommended option. Its dedicated Video Compressor and customizable settings make it easier to create smaller MP4 files for sharing, uploading, or saving storage space while maintaining good visual quality.
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