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.

Best Clipping Software for Teachers & Educators

Teachers and educators need clipping software that quickly turns long lectures into short, clear, captioned micro-lessons for students and social sharing.

What Teachers & Educators Need From a Clipper

One concept per clip: Micro-lessons work best when each clip covers a single topic.
Speaker and slides visible: Split or reframed layouts help students track both visuals and explanations.
Accurate captions: Essential for accessibility and easy review.
Mobile workflow: Many teachers prefer editing on their phone between classes.

Key Features to Look For

AI moment detection: Does the tool automatically find the best teaching moments?
Vertical reframing: Can it convert landscape lectures into vertical clips for TikTok or Reels?
Auto captions: Are captions generated and can they be edited?
Speed and simplicity: Is the process fast and easy for non-technical users?
Price model: Is it free to start, or does it require a subscription?

How a Mobile AI Clipper Handles It

Vidulk's AI clipper (iOS and Android) is designed for teachers who want to turn recorded lectures, lessons, or webinars into engaging micro-lesson clips. You paste a long video, and the AI automatically detects key moments, splits content into short, vertical clips, and adds captions. The app reframes layouts so both slides and the speaker are visible, making content ideal for students on social platforms. You edit and export directly from your phone, no desktop required.

Desktop vs. Mobile Options

Desktop tools: Best for capturing PC gameplay or complex editing, but often less convenient for quick lesson clips.
Mobile AI clippers: Ideal for teachers needing fast, accessible editing and sharing - especially when using classroom recordings or online lectures.

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 makes a clipper good for teachers?

A good clipper for teachers finds key moments, supports captions, reframes for vertical video, and lets you edit and export easily - ideally from your phone.

Can Vidulk handle lecture slides and speaker split?

Yes, Vidulk's AI reframing keeps both slides and the speaker visible in vertical clips, making lessons clear for students.

Is Vidulk free for educators?

Vidulk is free to start on iOS and Android, with some features and exports available without payment.

Do I need a desktop computer to use Vidulk?

No, Vidulk is designed for mobile use, allowing teachers to edit and export clips directly from their phone.

Does Vidulk create fake chat or comment videos?

No, Vidulk's AI clipper is for turning real videos into social clips. Its fake-content tools are separate and browser-based for entertainment only.