Why phone videos are so large
Phones record at a high bitrate so the picture looks sharp even with a lot of movement. One minute of 1080p video is often 100 MB or more, and 4K is several times bigger. Most of that data isn't needed to watch the video on a phone, which is why compressing it saves so much space.
The quickest way: compress the video
- Open the Video Compressor and choose your video. It isn't uploaded; it's processed on your phone or computer.
- Leave it on Balanced. That usually makes the file 50–90% smaller while it looks almost the same on a phone.
- Press Compress video, play the result to check it, and download the MP4.
When there's a size limit: compress to an exact size
Email services limit attachments, for example 25 MB in Gmail, and many upload forms set their own maximum. In the Video Compressor, choose By file size and type the limit. The tool works out the right bitrate from the video's length and makes the file land just under it.
A long video squeezed into a small size starts to look blocky. If that happens, trim it to the part you need first; a shorter video can keep much better quality at the same size.
Lower the resolution for an even smaller file
Choosing 720p instead of 1080p cuts the number of pixels by more than half, so the file shrinks a lot too. On a phone screen 720p still looks sharp. Use 480p for the smallest files, such as long screen recordings or videos for slow connections.
Other ways to save space
- Cut out the parts you don't need with the Video Trimmer; it can also remove the sound.
- If only the sound matters, such as a lecture or a song, save it as an MP3 with Video to MP3. Audio is a fraction of the size.
- Convert old or unusual formats to MP4 with the Video Converter, which plays everywhere and is usually smaller.
Frequently asked questions
- How do I reduce video size without losing quality?
- Compress it with Balanced or Best quality. Some quality is always traded for size, but at these levels the difference is hard to see on a phone. Avoid compressing the same video again and again; start from the original each time.
- How do I compress a video to 25 MB for email?
- Open the Video Compressor, choose By file size, type 25 and press Compress video. The result is an MP4 just under 25 MB that you can attach to an email.
- Does WhatsApp reduce video quality?
- Yes. WhatsApp compresses videos you send as normal messages. Compressing the video yourself first gives you control over how it looks; sending it as a document keeps the original file but takes longer to send and to download.
- Can I compress a video on my phone without an app?
- Yes. The Video Compressor runs in your phone's browser (Chrome or Safari). Nothing is installed and the video isn't uploaded.
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