Can I turn a long video into multiple Reels?

Yes. ReelForge can analyze a video locally and create several candidate vertical clips based on duration and audio activity.

Does the tool upload my video?

The core processing is performed locally in the browser. Your selected video is not intentionally uploaded to a Cobriums server.

Can I choose how many Reels to create?

Yes. You can choose a small batch such as 3, 5 or 10 candidate Reels.

Can I make vertical 9:16 videos?

Yes. The Reel renderer uses a vertical 9:16 canvas and offers automatic, centered and directional framing.

Yes. You can add a caption overlay, choose its style, size and position before rendering.

Does it remove silence?

The browser can analyze audio activity and use that information when selecting candidate moments. Aggressive transcript-level editing is not claimed without a speech model.

Yes. Reel titles and hook text can be added to the generated composition before export.

What export format is used?

The browser chooses a MediaRecorder format supported by the current device, commonly WebM or another supported video format.

Will every phone export video?

Export capability depends on browser support and device resources. The tool checks available MediaRecorder support before rendering.

Is this a full professional video editor?

No. It is intentionally focused on turning long videos into short vertical Reels quickly rather than becoming a general timeline editor.

Cobriums Creator Studio

Long Video to Reels

Turn one long video into multiple vertical Reels with smart moment detection, 9:16 framing, captions, zoom and browser-based rendering.

1 Upload

2 Strategy

3 Analyze

4 Reels

5 Export

Drop your long video hereMP4, WebM and other browser-supported video formats

Core processing happens locally in your browser.

Build your Reel batch

Number of Reels

Target Duration

Aspect Ratio

Content Style

Smart Caption OverlayUse Audio ActivitySmart Zoom

Analyzing your video

Finding moments worth turning into Reels…

Reading video structure

Measuring audio activity

Finding strong moments

Building Reel sequences

Your Reel opportunities

Candidate clips selected from your video.

Edit your Reel

Hook / Title

Caption text

Caption size

Caption position

Caption color

Your caption appears here

Rendering your Reel

Compositing the vertical video locally on your device.

Preparing canvas…

Your Reel is ready

The rendered video is ready to download.

Export format depends on MediaRecorder support in your browser.

Long Video to Reels FAQ

Practical answers about creating short vertical videos from long footage.

Can I turn a long video into multiple Reels?	Yes. ReelForge analyzes the video locally and creates several candidate vertical clips based on duration and audio activity.
Does the tool upload my video?	The core processing is performed locally in the browser. The tool does not intentionally upload your selected video to a Cobriums server.
Can I choose how many Reels to create?	Yes. You can choose 3, 5 or 10 candidate Reels.
Can I create vertical 9:16 videos?	Yes. The renderer uses a vertical 9:16 composition designed for short-form video.
Can I add captions?	Yes. You can add a caption overlay, change its size, color and position, and render it into the Reel.
Does it remove silence?	Audio activity is used as one signal when finding candidate moments. The browser version does not claim transcript-level AI editing without a speech model.
Can I add a hook?	Yes. You can add a short hook/title and render it as part of the Reel composition.
What export format is used?	The browser selects a video format supported by the current MediaRecorder implementation, commonly WebM on modern browsers.
Will every phone export video?	Export support depends on the browser and device. The tool checks MediaRecorder availability before rendering.
Is this a full professional video editor?	No. It intentionally focuses on one job: turning long videos into short vertical Reels quickly.

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