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 Instagram Live Videos into LinkedIn Clips

To repurpose Instagram Live videos for LinkedIn, trim, resize, and caption vertical clips to fit LinkedIn's specs. Vidulk’s AI Clipper streamlines this workflow.

Instagram Live to LinkedIn Clips - How to Create Vertical

Step 1: Download Your Instagram Live Video

After your Instagram Live ends, download the video from your Instagram app or archive. The file will usually be in vertical (9:16) format, which is compatible with LinkedIn’s accepted aspect ratios.

Step 2: Use Vidulk’s AI Clipper to Find Key Moments

Open the Vidulk app on iOS or Android.
Import your long Instagram Live video.
Vidulk’s AI automatically analyzes the content and selects the most engaging moments suitable for short clips.

This eliminates manual scrubbing and helps you quickly surface shareable highlights.

Step 3: Export Captioned, Vertical Clips for LinkedIn

Choose the vertical (9:16) export option, which fits LinkedIn’s accepted aspect ratios (1:2.4 to 2.4:1, including 9:16).
Vidulk adds burned-in captions for accessibility and improved engagement. You can review and edit these captions in-app before exporting.
Export your clips in 1080x1920 resolution, which is well within LinkedIn’s supported range (256x144 to 4096x2304).

Step 4: Upload to LinkedIn and Enable Auto-Captions

Upload your vertical clip to LinkedIn. Maximum video length is 15 minutes as per LinkedIn’s current guidelines.
During upload, you can enable LinkedIn’s auto-caption feature. Note that captions may take time to appear after posting.
Check the preview to ensure your video displays correctly and captions are accurate.

Tips for Best Results

Trim your video tightly to showcase only the most relevant moments.
Use captions for clarity, especially if the original Instagram Live audio is noisy or unclear.
Keep clips concise for higher engagement on LinkedIn.

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

What aspect ratios does LinkedIn accept for video clips?

LinkedIn accepts video aspect ratios from 1:2.4 to 2.4:1, including vertical (9:16), square (1:1), and landscape (16:9) formats.

Does Vidulk automatically add captions to my clips?

Yes, Vidulk’s AI Clipper adds burned-in captions to your exported clips, which you can review and edit before saving.

How long can LinkedIn video uploads be?

LinkedIn allows video uploads up to 15 minutes in length, regardless of whether you use desktop or mobile.

Can I use Vidulk for free?

Vidulk is free to start, with AI-powered clipping and captioning available in the iOS and Android app.

Will the vertical format from Instagram Live work on LinkedIn?

Yes, vertical (9:16) videos from Instagram Live are fully supported by LinkedIn’s video upload specifications.