Coastline in motion
34% smaller0.96 MB → 0.64 MB
Video tools
Video Compressor
Make videos easier to share. Choose a quality preset or target file size, compare the result, and download your compressed video.
Choose video
Processed on your device. No video uploads.
Compare video compression results
Play the clips and inspect motion and fine detail. The file sizes show the actual reduction for each example.
Portrait detail
65% smaller0.29 MB → 0.1 MB
How to compress a video online
Open your video
Choose a file from your device. Your video opens locally without an upload or an account.
Choose size or quality
Set a target in MB or choose the quality you want. Expand Advanced to adjust the format, resolution, frame rate and sound.
Compare and download
Compress the video, review the output size and picture, then download the new file. Your original remains unchanged.
Start with the result you need: a smaller file for sharing, or a particular level of picture quality. Your source stays unchanged. The format sets the file container; the codec determines how its picture and sound are encoded. Browser support depends on both, so two files with the same extension may behave differently.
Choose a compatible format
Open MP4, MOV, MKV, WebM or unencrypted M4V video. MP4 with H.264 is the usual choice for sharing and playback compatibility. MOV and MKV are additional container options; WebM uses VP9 or an available AV1 encoder. M4V is an input format: choose one of the offered download formats. File extensions do not guarantee that every codec or track layout can be read. ProRes, protected video and unsupported HDR profiles are not implied by MOV or M4V support.
Compress video to a target size
Enter a target in MB, such as 10 MB or 25 MB. The compressor budgets picture and sound together and checks the completed file against that ceiling. A successful result is at or below the target, not padded to an exact byte count. A very small target may need lower resolution, a lower frame rate or less audio data. If the chosen settings cannot meet it, adjust the settings and try again.
Balance quality and file size
Quality mode lets you prioritize smaller files or preserve more visual detail without choosing a final MB limit. Motion, textures, noise and clip duration affect the size. Review faces, moving water and small text when comparing the result. Video compression is usually lossy: a higher quality setting cannot restore information missing from the source, and recompressing an already efficient video can make a larger file.
Refine picture and audio settings
Use Advanced to choose resolution, frame rate, codec, video bitrate and audio settings. Keep the original dimensions when detail matters, or reduce them for easier sharing. H.265/HEVC and AV1 availability depends on your browser and device; an available source decoder does not guarantee an export encoder. H.264 and VP9 are separate choices with different compatibility. Lower audio bitrate can save space, especially in long recordings. Removing sound is an explicit choice.
Video compressor FAQ
Open your video, choose Target size or Quality, and compress it. Lowering the video bitrate, resolution or frame rate can reduce the file size. Audio also uses space. Review the completed file before downloading, especially if the footage contains fast movement or small text. YouArt processes the selected video in your browser.
Yes. Enter the size you need in Target size mode. The finished file is checked against that limit; a successful result fits at or below it. The tool does not add empty data to make the file exactly that size. If the video cannot fit with the selected picture and audio settings, choose a larger target or reduce those settings.
Lossy compression can remove fine detail or introduce artifacts. A higher quality setting usually keeps more detail but may produce a larger file. The best balance depends on the source and where it will be watched. Compare motion and small text in the result rather than judging only a still thumbnail. No setting guarantees lossless compression or a particular reduction percentage.
These input containers are supported when the browser can decode the video and audio inside them. You can reduce MOV or MKV file size and choose an available MP4, MOV, MKV or WebM output. Unencrypted M4V input is accepted; M4V is not a separate download option. An unsupported codec, encrypted track or unusual file structure may prevent processing even when the extension is recognized.
MP4 with H.264 is the default sharing option. VP9 is available for WebM where supported. H.265/HEVC and AV1 export depend on the browser, device and chosen configuration; unavailable encoders cannot be selected. The ability to play a source codec and the ability to encode a new file are different capabilities. Check that the destination app can play the format and codec you choose.
Keep audio is enabled by default. You can change the audio settings or explicitly remove sound to reduce the size further. Preview mute only changes what you hear while watching; it does not remove the exported soundtrack. Unsupported audio tracks are reported instead of being silently dropped.
No account is needed to open, compress or download a local video. Source and result files stay in your browser; this page does not upload them to YouArt storage or offer Save to assets. The browser downloads the processing code and any example you choose, but your own video is processed on your device.
An already compressed source can grow when re-encoded with a higher bitrate, a different codec or different audio settings. Quality mode does not promise a smaller file. Target size mode checks the actual result and does not report success for an oversized file. Try a lower quality or resolution, lower audio bitrate, or a more realistic size target.
The compressor does not apply a 200 MB or 60-second product limit. Larger and longer files still depend on the device memory, available local storage and browser codec support. Keep the tab open while processing. If a device cannot complete the job, try a lower output resolution or a desktop browser; the tool does not upload the video as a fallback.
Check the current attachment limit shown by your email or messaging service, then enter a target below it. Limits can vary by account and destination, so the size shortcuts are examples rather than promises about a platform. MP4 with H.264 is a practical starting point for compatibility. Download the result and attach it through your chosen app.
More video tools
Video effects
Add bloom, grain, vignette and other finishing effects.
Video color grading
Balance exposure, color and contrast before compression.
Video watermark
Add text, a logo or a full-frame image overlay.