Compress video size online in seconds and keep your visuals sharp. Upload any MP4, MOV, MKV or AVI file and create a smaller version that loads faster and shares easily. HeyGen makes it simple, secure and fast to reduce large video files without installing software or losing quality.

This tool lets you turn a single photo into a lifelike AI avatar that mirrors real expressions, motion, and lighting for polished videos. You can instantly generate professional-quality clips for social content, training, or storytelling without cameras, crews, or editing skills.
Export Videos in the Resolution You Need
You should be able to control your video quality without dealing with complex settings. HeyGen’s online video compressor lets you export in the resolution that works best for your project, whether you’re resizing HD footage or preparing a lighter file for quick sharing.
Upload your video and choose from resolutions like 4K, 1080p or 720p to manage file size while keeping your visuals clear. It’s an easy way to optimize content for email, mobile or web platforms without compromising on clarity.
If you want to enhance your video before compressing it, use the Add Photo to Video tool to include images, overlays, or graphics that make your content more engaging.

Best Practices for Using a Video Compressor Online to Reduce File Size
A smaller file does not have to lose visual impact. With a few simple adjustments, you can compress your videos while keeping them clean, smooth and ready to share. HeyGen recommends trimming extra footage before exporting to lower the overall file size and choosing 1080p or 720p for the best balance of clarity and compression.
If you’re using avatars, graphics or voiceovers, keep your scenes simple so the compressor can work efficiently. Always preview your video before downloading to make sure everything looks right. These practices help you produce videos that load fast and stay easy to share across any device

Faster Sharing Through the Video Compressor Online
Sharing becomes easier when your video file is smaller. Compressing online helps reduce upload times, avoid email size limits and ensure smoother playback for your viewers. This is especially useful when sending updates, sharing marketing clips or preparing content for social platforms.
HeyGen helps you create a lighter version of your video without sacrificing clarity. Export your file, copy the shareable link and send it instantly across apps, emails or any platform without waiting for large uploads.

How to Compress and Share Your Video easily
Compressing your video online takes only a few simple steps. Upload your file, choose your settings and share the optimized version without dealing with large attachments or long uploads.
Drag and drop your full-resolution video into the HeyGen workspace. The uploader supports MP4, MOV, MKV, AVI and more.
Trim longer sections or remove unused clips to help reduce the final file size and keep your video clean.
Select 1080p, 720p or another export size that fits your needs. The tool adjusts file size based on your choice
Download your compressed video or use a shareable link to send it across email, messages or social platforms.
The Video Size Compressor is an online tool that reduces your file size while keeping your visuals sharp and clear. It helps you export videos in 4K, 1080p or 720p so they’re easier to upload, share or email. Try it here: Video Size Compressor.
Compression may reduce quality slightly, but HeyGen optimizes your footage to stay crisp and smooth at a lower resolution. Choosing 1080p or 720p keeps your video clear while significantly reducing file size.
You can upload MP4, MOV, MKV, AVI, FLV, 3GP and several other popular formats. The tool automatically optimizes each format for fast playback and compatibility across devices.
Yes. HeyGen handles large video files easily and converts them into smaller, share-friendly versions without freezing or requiring installations. You can compress long videos, camera footage or high-resolution clips.
Most compressions finish in seconds, depending on your file size and internet speed. After processing, you can instantly download your optimized video or share it with a link.
Yes. You can trim unnecessary parts to reduce size even further. For more precise editing, use the Online Video Trimmer before running the compression.
Absolutely. If you want to insert images, logos or stickers before compression, you can enhance your footage using the Add Photo to Video tool for a more polished result.
Yes. Many of the core compression features are available for free, and you can compress videos without installing any software. Simply upload, choose your resolution and download your optimized file.
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