Vidulk is an AI-powered mobile app for iOS and Android that turns long videos and audio into viral short-form clips. It also includes an AI image studio and professional caption editor.

How does AI clip detection work?

Import a video or paste a link — Vidulk transcribes the audio using AI speech recognition that supports 99 languages, then analyzes the transcript to find the most engaging moments. Each clip is scored by virality potential and categorized as Insight, Story, Funny, Tactical, Controversial, or Emotional.

What languages does Vidulk support?

Vidulk supports speech recognition in 99 languages including English, Spanish, French, German, Korean, Japanese, Chinese, Arabic, Hindi, Portuguese, and many more. The app interface is available in over 30 languages. Language is detected automatically.

What caption and editing features are available?

Vidulk includes 7 caption styles (Highlight, Karaoke, Typewriter, Minimal, Bold Pop, Gradient, and more), customizable fonts, colors, and animations. Export in multiple aspect ratios (9:16 for Shorts/Reels, 1:1 Square, 4:5 Portrait, 16:9 Landscape) at up to 4K resolution.

What is the AI Image Studio?

AI Studio lets you generate thumbnails and images from text prompts with 6 artistic styles including Realistic, Illustrated, Abstract, Minimalist, Anime, and Watercolor. It also includes an Image Enhancer that upscales images 2x or 4x. All processing happens on-device for privacy.

What content types does Vidulk work with?

Vidulk is optimized for podcasts, YouTube videos, interviews, lectures, gaming highlights, vlogs, music, sports, and news content. Import from YouTube, TikTok, Instagram, Twitter/X, Facebook, or upload directly from your camera roll.

Does Vidulk work with long videos?

Yes. Vidulk handles videos of any length. Short videos are processed on-device, while longer videos (over 5 minutes) are processed using server-side AI for faster and more reliable results.

What platforms is Vidulk available on?

Vidulk is available on both iOS (App Store) and Android (Google Play Store). The app interface is available in over 30 languages.

Yes. Video transcription and AI image processing happen on-device. Your videos are not stored on external servers permanently. You can delete your account and all data at any time from the app settings.

Can I use Vidulk for audio-only content like podcasts?

Yes. Vidulk fully supports audio-only content. Import MP3, M4A, WAV, or other audio files. AI detects the best moments and you can add AI-generated background images or choose from 1,200+ built-in backgrounds to create video clips from audio.

Can Vidulk remove captions or subtitles from videos?

Yes. Vidulk includes AI-powered caption removal that automatically detects and removes burned-in captions and subtitles from your videos before clipping. It works best with dynamic/moving captions like those on TikTok, Reels, and YouTube. Enable it with a simple checkbox when importing your video. Processing takes 7-20 minutes and uses additional credits based on video length.

How do I export clips from Vidulk?

After editing, choose your aspect ratio (9:16, 1:1, 4:5, or 16:9), resolution (720p, 1080p, or 4K), and export. Clips are saved directly to your Photos library and can be shared instantly to any platform.

How to Turn a Vimeo Video into Facebook Reels Clips

To create Facebook Reels clips from a Vimeo video, download your original file, then use Vidulk’s AI Clipper to generate vertical, captioned clips sized for Reels.

Vimeo Video to Facebook Reels Clips - How to Convert and Size

Step 1: Download Your Vimeo Video

Start by downloading the original video file from your Vimeo account. This ensures the highest quality for editing and avoids compression artifacts. Log in to Vimeo, locate your video, and use the 'Download' option available for your own uploads.

Step 2: Know Facebook Reels Specs (2026)

Aspect Ratio: 9:16 (vertical, full-screen recommended)
Resolution: 1440x2560 (Meta’s recommended), 1080x1920 also accepted
Length: No strict limit; any format posts as a Reel since June 2025
Captions: Optional but recommended; auto-captioning is not supported for Reels ads, so include your own if needed

Step 3: Clip and Resize with Vidulk’s AI Clipper

Vidulk’s free app (iOS & Android) streamlines the process:

Upload your downloaded Vimeo video to Vidulk.
The AI analyzes the content and selects the most engaging moments (ideal for talks, courses, or brand films).
Vidulk automatically converts clips to vertical 9:16 format, resizing and cropping as needed.
Captions are generated and burned into the video, matching Facebook Reels requirements.

Step 4: Export and Share to Facebook Reels

Export your finished clips from Vidulk. The files are sized for Facebook Reels, so you can upload them directly from your phone or desktop. For best results, review the captions and framing before posting.

Tips for Effective Reels from Vimeo Content

Choose visually engaging moments with clear audio.
Keep clips concise for maximum engagement.
Use captions for accessibility and to boost watch time.
Preview on your device to ensure the vertical crop looks correct.

Vidulk's AI clipper (free to start, iOS + Android) finds the best moments in a long video and exports captioned vertical clips sized for the destination.

Try Vidulk

FAQ

Can I use any Vimeo video for Facebook Reels clips?

You should only use Vimeo videos you own or have rights to. Download the original file for best quality before editing.

What’s the best aspect ratio for Facebook Reels?

Facebook Reels recommends a 9:16 vertical aspect ratio for full-screen viewing, but any format is accepted as of June 2025.

Does Vidulk add captions automatically?

Yes, Vidulk’s AI Clipper generates and adds captions to your clips, which is recommended for accessibility on Facebook Reels.

Do I need to trim my video manually before using Vidulk?

No, Vidulk’s AI can automatically find and clip the best moments from your full-length Vimeo video.

Are there any length limits for Facebook Reels clips?

Since June 2025, Facebook Reels accepts any video length or format, but short, engaging clips are more likely to perform well.