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 YouTube Video into LinkedIn Clips

To convert a YouTube video into short, LinkedIn-ready clips, use Vidulk’s AI Clipper to extract, resize, and caption the best moments, matching LinkedIn’s video specs.

YouTube Video to LinkedIn Clips: How to Convert & Automate

Understand LinkedIn Video Requirements

LinkedIn supports a wide range of video formats. As of August 2026, you can upload videos up to 15 minutes long, with accepted aspect ratios from 1:2.4 (vertical) to 2.4:1 (landscape). Common vertical sizes like 9:16 (1080x1920) and 4:5 (1080x1350) are fully supported. LinkedIn also allows auto-captions, which you can toggle during upload, though captions may take time to appear after posting.

Extract Clips from Your YouTube Video

First, ensure you own the rights to the YouTube video you want to clip.
Copy the YouTube link or download the video file.
Open Vidulk’s AI Clipper app on iOS or Android.
Paste the link or upload the file. Vidulk’s AI will analyze the content and automatically select 5 - 15 of the most engaging moments from long videos like podcasts, talks, or tutorials.

Resize and Caption for LinkedIn

Vidulk exports clips in vertical formats (9:16 or 4:5), both accepted by LinkedIn.
Each clip is automatically resized to fit LinkedIn’s resolution and aspect ratio requirements.
Vidulk adds burned-in captions to your clips, ensuring accessibility and engagement even before LinkedIn’s own auto-captioning appears.

Upload to LinkedIn

Transfer the exported clips to your desktop or use your mobile device to upload directly to LinkedIn.
During upload, you can enable LinkedIn’s auto-captions for additional accessibility.
Check your post after publishing to confirm the video and captions appear as intended.

Automate and Save Time with Vidulk

Vidulk’s AI Clipper streamlines the process of finding highlights, resizing, and captioning. This saves significant manual editing time and ensures your LinkedIn clips are optimized for engagement and platform requirements.

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 YouTube video for LinkedIn clips?

Only use your own or licensed YouTube content to create LinkedIn clips, as copyright laws apply.

What aspect ratios does LinkedIn accept for video clips?

LinkedIn accepts aspect ratios from 1:2.4 (vertical) to 2.4:1 (landscape), including 9:16, 4:5, 1:1, and 16:9.

Does Vidulk add captions to LinkedIn clips?

Yes, Vidulk exports clips with burned-in captions. LinkedIn can also generate auto-captions during upload.

How long can LinkedIn video clips be?

LinkedIn allows video uploads up to 15 minutes in length, as of August 2026.

Is Vidulk’s AI Clipper available on desktop?

Vidulk’s AI Clipper is available for iOS and Android. Browser-based tools on vidulk.com serve other content creation needs.