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Video Compressor

Quick online video compressor at your service!

Compress MP4 online

Need to send a video, upload it somewhere, or just make the file less heavy? Async’s video compressor helps you reduce video size without the confusing settings. Compress your MP4, keep the quality where it needs to be, and continue editing if the video still needs a trim, caption, or final polish.

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How to reduce video size with Async

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Reduce file size without the tech headache

Compress large MP4 files without digging through confusing export settings. Just tell Async what size or format you need, and keep the process simple.

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Export in the format you need

Prepare your video for sharing, uploading, or posting by choosing the format that works best for your next step.

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Keep editing after compression

Need to trim, caption, resize, or polish the video before exporting? Async lets you keep working in the same chat-based editor instead of switching tools.

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Frequently Asked Questions

What is a video compressor?

A video compressor reduces the file size of a video so it’s easier to upload, send, store, or share. In Async, you can compress your video and keep editing it in the same workspace.

How do I reduce video size online?

Upload your video to Async, ask the chat to reduce the video size or prepare it for a specific format, then export the final version when it’s ready.

Can I use Async to compress videos for YouTube?

Yes. You can use Async to compress large videos before uploading them to YouTube, then keep editing, captioning, or polishing the video if needed.

Can I edit the video after compressing it?

Yes. After using Async as a video size reducer, you can keep editing your video, add captions, resize it, clean up audio, or make final changes before export.

Is Async’s video compressor beginner-friendly?

Yes. You don’t need to understand bitrate, codecs, or complicated export settings. Just tell Async what you need, and use the chat-based editor to guide the result.
Your video, made by chat.
Just tell Async what you want.

From raw footage and AI-generated scenes to finished videos in one AI workflow.

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