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 Instagram Reels Clips

To convert a Vimeo video you own into Instagram Reels clips, download the original file and use Vidulk’s AI Clipper to create vertical, captioned shorts ready for upload.

Vimeo Video to Instagram Reels Clips: How to Convert

Step 1: Download Your Vimeo Video

Start by logging in to your Vimeo account and downloading the original video file. Using the highest quality source ensures the best results for your Instagram Reels. This step is essential, as Instagram Reels require vertical format and good resolution for optimal playback.

Step 2: Prepare for Instagram Reels Specs

Length: As of August 2026, Instagram Reels accepts videos up to 20 minutes through the Reels camera. The in-app upload limit is 3 minutes.
Aspect Ratio: 9:16 (vertical) is recommended for full-screen display.
Resolution: Standard is 1080x1920 pixels. Meta recommends up to 1440x2560 for ads and high-quality uploads.
Captions: Instagram offers auto-generated captions via the Captions sticker, but adding clear captions in advance is often more reliable for accessibility and engagement.

Step 3: Use Vidulk’s AI Clipper to Create Reels Clips

Vidulk’s AI Clipper app (available on iOS and Android) is designed for this purpose. Paste your downloaded Vimeo video into Vidulk. The AI analyzes the content to automatically find the best moments, then creates short, vertical clips sized specifically for Instagram Reels. Exported clips include large, readable captions, making them ready for upload or further editing in Instagram’s app.

Step 4: Upload to Instagram Reels

Transfer the finished clips from Vidulk to your phone’s gallery.
Open the Instagram app, tap the plus (+) icon, and select Reel.
Choose your Vidulk-created clip. You can trim, add music, or use Instagram’s Captions sticker if desired.
Publish your Reel, making sure it displays correctly in the 9:16 vertical format.

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 Vidulk with any Vimeo video?

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

What is the ideal aspect ratio for Instagram Reels?

Instagram Reels are best in 9:16 vertical format, with a resolution of 1080x1920 pixels or higher.

Does Vidulk add captions to my Reels clips?

Yes, Vidulk’s AI Clipper exports clips with large, readable captions suited for Instagram Reels.

How long can my Instagram Reel be?

As of August 2026, up to 20 minutes if recorded in the Reels camera; the in-app upload limit is 3 minutes.

Is Vidulk free to use?

Vidulk is free to start. Some features may require payment or a code to remove the watermark.