How to Compress a Video Online Without Losing Quality
A huge video file makes uploading and sharing painful. Here's how to shrink a video's file size online, free, while keeping it watchable.
Try it now: Video Compressor →
A few minutes of phone-shot video can easily run into hundreds of megabytes, which makes it slow to upload, too big to email, and sometimes outright rejected by upload limits. Compressing it brings the file size down to something manageable, without turning it into a blurry mess.
Why video file size matters
- Many platforms and forms cap upload size, and an uncompressed video can blow right past it
- Email attachments almost always reject large video files outright
- Smaller files upload and share faster, especially on a slow connection
- Compressed videos take up less phone or cloud storage
How to compress a video online, step by step
- Open the Video Compressor.
- Upload the video file you want to shrink.
- Choose a compression level and watch the estimated output size update.
- Preview the result to confirm the quality still looks acceptable.
- Download the compressed video.
Tips for the best size-to-quality tradeoff
- Match compression to the destination. A video going to social media or WhatsApp can handle more compression than one meant for a presentation screen.
- Trim before compressing if the video has unnecessary footage — see the Video Trimmer — since a shorter video compresses to a smaller file at the same quality.
- Don't over-compress. Pushing quality too low introduces visible blocky artifacts; find the setting where size drops significantly without the video looking degraded.
Common questions
Will compression make my video blurry? At reasonable settings, no — compression removes data that's mostly imperceptible. Quality only degrades noticeably at very aggressive settings.
What's the difference between compressing and converting format? Compression reduces file size within the same format. Converting to a different container or codec — see Video Converter — can also affect size and compatibility.
Can I compress a video and also cut a section out of it? Yes — trim it with the Video Trimmer first, then compress the shorter result for an even smaller file.
Need to shrink a video file? Compress your video for free →