Slimvid

Compress Video to a Target File Size

Hit an exact limit — 8, 10, 16, 25, 100MB or your own number — without guessing bitrates.

Drop videos here, or click to browse

Up to 1GB each · MP4, MOV, WebM, MKV, AVI, WMV and 30+ more

Choose files

Processed locally in your browser. Nothing is uploaded.

Settings

Add a video and the settings for this tool appear here.

How it works

  1. 1Drop your video. We read its duration to calculate the bitrate needed for your target.
  2. 2Choose 8 / 10 / 16 / 25 / 100MB, tap a platform preset (Discord, WeChat, WhatsApp, Gmail), or type a custom size.
  3. 3Compress and download. The result lands at or slightly under your target.

Processed locally in your browser. Nothing is uploaded.

Three steps

How to compress a video to an exact size

No sign-up, no upload queue, no watermark. Everything happens on your device.

  1. 1

    Drop your file

    Drop your video. We read its duration to calculate the bitrate needed for your target.

  2. 2

    Choose settings

    Choose 8 / 10 / 16 / 25 / 100MB, tap a platform preset (Discord, WeChat, WhatsApp, Gmail), or type a custom size.

  3. 3

    Download

    Compress and download. The result lands at or slightly under your target.

Same job, other limits

Related size and platform pages

Compress Video for DiscordHit the 10MB free-upload cap without guessing a bitrate. Hardware encoding, nothing uploaded.For DiscordCompress Video for EmailLand under the 25MB attachment cap so the clip goes through as a normal file, not a cloud link.For emailCompress Video for WhatsAppMake a chat-sized H.264 MP4 so WhatsApp does not smash the picture on send.For WhatsAppCompress Video for WeChatLand around 16MB so the clip sends in chat instead of becoming a compressed blob.For WeChatCompress Video for XiaohongshuCut a heavy export down to a 100MB upload that posts on cellular without looking mushy.For XiaohongshuCompress Video for DouyinTurn a bulky edit into a 50MB file that uploads on cellular without looking mushy.For Douyin

Keep going

Related tools

FAQ

Compress to Size FAQ

Desktop app

Files over 1GB? Take it to the desktop.

The browser version is perfect for everyday clips. When you need to crunch big footage or dozens of files, the desktop app does it faster on your own hardware.

Get early accessCompare web vs desktop
  • No file size limit — 4K, hour-long recordings, anything
  • Batch queues: drop a folder, apply one preset
  • Hardware-accelerated encoding (H.264 / H.265)
  • Works fully offline, same privacy guarantee