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Reel Resizer & Compressor

Make any video Reel-ready: fit it into 9:16, 4:5 or 1:1, trim it, and shrink the file. Everything happens on your phone.

✓ No upload, 100% private✓ No sign-up✓ Works on phone & desktop
1 Add your video
Drop a video here
MP4 or MOV from your phone. Resize it for Reels, trim it and make it smaller, all on your device.
MP4 · MOV · WebM. Your video is never uploaded.

Missing an option? Suggest an improvement or ask for a new tool.

How to resize a video for Reels

  1. Drop a video (MP4 or MOV from your phone), or try the sample
  2. Pick the size: 9:16 for Reels and Stories, 4:5 for the feed, 1:1 square
  3. Choose Fill to crop (slide to keep the best part) or Fit with a blurred background
  4. Trim the start and end, choose the height and compression
  5. Tap Make my Reel: it takes as long as the clip. Then download or share it to Instagram

Good to know

  • It records in real time: a 30-second clip takes about 30 seconds. Keep the page open until it finishes.
  • MP4: Chrome, Edge and Safari save MP4 (H.264), which Instagram, WhatsApp and TikTok accept. Firefox saves WebM.
  • Smaller files: choose 720 height and "Small" for WhatsApp. "Best" at 1080 is for Instagram.
  • Sound: the original sound is kept unless you untick it.

Frequently asked questions

Quick answers about the reel resizer & compressor tool.

Is my video uploaded?

No. The video is cut and re-encoded in your browser. It never leaves your device.

What size should a Reel be?

1080 × 1920 pixels (9:16), up to 90 seconds. Feed videos look best at 4:5 (1080 × 1350).

Why does it take time?

The browser plays the clip once while recording it. That is what keeps your video private.

Can I compress a video for WhatsApp?

Yes: pick 720 height and the "Small" setting. WhatsApp accepts files up to 16 MB for status.

More free image tools

Everything runs in your browser. Nothing is uploaded.