Reduce a video's file size while keeping good quality, right in your browser.
A video compressor shrinks a video file so it takes up less space and uploads faster, while trying to keep the picture looking good. This solves a very practical headache. A clip from your phone or camera can be hundreds of megabytes, too big to email, too heavy for a messaging app's limit, or painfully slow to upload to a form or a website. Compressing it brings the size down to something manageable.
You use it by choosing a video from your device and letting the tool re-encode it at a more efficient setting. Depending on the options offered, you may pick a target quality or size, then the tool works through the footage and produces a smaller file you can download. Larger videos take longer, since every frame has to be processed.
The important thing to understand is the tradeoff between size and quality. Compression works by storing the picture more efficiently and discarding detail the eye is least likely to miss, so pushing the size very low will eventually show softness or blocky patches, especially in fast motion. A moderate setting usually cuts the file dramatically while looking almost identical, which is the sweet spot for most sharing.
Reach for a compressor rather than a cutter or a format converter when the length and format are already fine and only the size is the problem. If you actually need a shorter clip, trim it first, and if you only need audio, extract that instead. Compression is specifically about fitting the same video into fewer megabytes.
People use it to get a clip under a messaging or email attachment limit, to speed up uploading footage to a website or portal, to save room on a nearly full phone or drive, and to make a screen recording light enough to drop into a chat or a document. Anyone posting to a platform with an upload cap leans on it constantly.
It runs entirely in your browser. Your video is processed on your own device, nothing is uploaded to a server, there is no sign-up, and it is free. Because all the work is local, the practical limit is your device's memory and speed, so a very long or high resolution file will simply take longer to finish.
It depends on how the original was recorded and the quality you choose, since footage that was already heavily compressed has less room to shrink. A typical phone clip can often drop by a large margin at a setting that still looks close to the original.
Some detail is always traded away, but at a moderate setting the difference is usually hard to notice on a phone or laptop screen. Pushing for the smallest possible file is where softness and blockiness start to show, particularly in fast-moving scenes.
Compression keeps the full length, and whether the resolution changes depends on the settings you pick. Lowering resolution is one lever for a smaller file, but you can often keep the original dimensions and still save a lot of space.
It works with common video formats like MP4 and MOV that browsers can decode. The output is typically a widely supported MP4 so it plays almost everywhere without extra steps.
Every frame is re-encoded on your own device, so a long or high resolution video is simply a lot of data to work through. Leaving the tab open and giving it time is normal, and a more powerful device finishes faster.
Yes, the audio track is carried through the process, though it may be re-encoded to a smaller size as well. The sound stays in sync with the picture.
No, the entire process happens locally in your browser. The file never leaves your device, which is why there is no upload wait before it starts.
Polished Pixels. All tools. About. Contact. Every tool runs in your browser and your files are never uploaded.