Does CalmClip upload my video to a server?

No. CalmClip processes everything entirely inside your browser using WebAssembly. Zero bytes of your video are ever sent to any server. Your files stay on your device at all times.

Is CalmClip free to use?

Yes. CalmClip is completely free. No account, no subscription, no hidden fees. Open the site and start editing immediately.

What video formats does CalmClip support?

CalmClip supports MP4, MOV, WebM, and MKV files. All editing and export happen locally in your browser using FFmpeg compiled to WebAssembly.

How does AI transcription work without uploading my video?

CalmClip runs the Whisper speech recognition model locally in your browser via WebAssembly. The AI model downloads once and runs entirely on your device, so your audio never leaves your machine.

Can CalmClip handle large video files?

Yes. Because CalmClip processes files locally using FFmpeg compiled to WebAssembly, it handles large files (1 GB and above) without upload delays. Editing starts immediately after you select the file.

Does CalmClip require an account or login?

No. CalmClip requires no account, no login, and no registration. Open the site, drop your video, and start editing.

What is the correct aspect ratio for TikTok?

9:16 vertical, which is 1080x1920 pixels at full HD. CalmClip crops to this ratio automatically.

Will it crop out important parts of my video?

By default, CalmClip centers the crop. Drag the crop box to reposition it over the most important part of the frame.

Is cropping for TikTok free?

Yes. Single-ratio export including 9:16 is a free feature with no watermark.

Does the cropped video meet TikTok upload requirements?

CalmClip exports MP4 files. TikTok accepts MP4. Make sure to trim your clip to TikTok length requirements before exporting.

Can I also add captions for TikTok?

Yes. Add captions in the Captions section before exporting. The burned-in captions are included in the cropped export.

Can I export all formats at once?

Yes, with Pro. Batch export produces 9:16, 1:1, 4:5, and 16:9 from one source file in a single pass.

Crop Video to 9:16 for TikTok | Free, No Upload

Crop Video to 9:16 for TikTokConvert any landscape or square video to vertical TikTok format instantly in your browser. Convert landscape or square video to 9:16 vertical format for TikTok. Free browser tool, no upload, no watermark. Drag the crop to frame your subject.

Trim and cut video clips

AI captions and transcription (local, no upload)

Remove silence and filler words

Face blur (local processing)

Resize to any aspect ratio

Loudness normalization

Metadata stripping

Free, no install, no account