Compress Video for WhatsApp, Discord & Email

Shrink heavy video files in megabytes while keeping clean visual clarity.

100% Local · Files never leave your device
IN: MP4 · MOV · WEBMOUT: MP4 · WHATSAPP
100% LOCAL

How it works step by step

  1. 01Select the large video file from your phone or computer.
  2. 02Pick a compression preset: WhatsApp Fast, Balanced 720p, or High Quality.
  3. 03Run the local compressor, review the MB saved, and download your clean MP4.

Technical specs & privacy

Zero watermarks, ever

Your compressed MP4 comes out completely clean using industry-standard H.264 video and AAC audio codecs.

Smart resolution & CRF tuning

Oversized 4K phone recordings are cleanly scaled to sharp 720p or 480p with tuned Constant Rate Factor encoding.

Instant before/after telemetry

See the exact original size, final size, and percentage saved right on the completion ticket.

Supported input formatsMP4 · MOV · WEBM
Output target formatCOMPACT MP4 (H.264)
Conversion engineFFmpeg WebAssembly (in-browser local)
Storage & Privacy100% Local · Files never leave your device

Frequently asked questions

How can I shrink a video to send on WhatsApp or Discord?

Load your video, select "WhatsApp Fast" or "Balanced (720p)", and click Process. Large 4K phone clips routinely drop by 70%–85% in file size.

Does this video compressor add a watermark?

No. Every exported video is 100% watermark-free.

Is my video uploaded to an external server?

No. Compression happens inside your browser tab via WebAssembly, keeping private clips on your own hardware.

What output format is generated?

Standard MP4 (H.264 video + AAC audio), playable natively across iOS, Android, macOS, Windows, and messaging apps.