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 Snapchat Spotlight Clips

To convert a YouTube video into Snapchat Spotlight clips, use Vidulk’s AI clipper to find highlights, reformat vertically, add captions, and export optimized clips for Snap.

YouTube Video to Snapchat Spotlight Clips: How to Convert

Step 1: Prepare Your YouTube Source

Ensure you have the rights to the YouTube video you want to use. Copy its link or download the video file. Vidulk supports both options for input.

Step 2: Use Vidulk to Clip and Reformat

Open the Vidulk app on iOS or Android.
Paste your YouTube link or upload the video file.
The AI analyzes the video and automatically selects 5 - 15 of the most engaging moments, depending on the source length and content.
Vidulk converts each clip to a vertical 9:16 aspect ratio, optimized for Snapchat Spotlight.

Step 3: Caption and Size for Snapchat Spotlight

Vidulk adds burned-in captions to each clip, since Snapchat Spotlight does not support SRT uploads or auto-captioning.
Clips are exported at 1080x1920 resolution (vertical), matching third-party guidance for Snap Spotlight.
Each clip can be up to 5 minutes long, but shorter clips (15 - 60 seconds) perform best for engagement.

Step 4: Export and Upload to Snapchat Spotlight

Export your finished clips from Vidulk.
Transfer them to your phone if needed.
Open Snapchat, go to Spotlight, and upload your clips. You can use Snapchat’s Creative Tools to add extra effects or text if desired.
Always review your clips to ensure they meet Snap’s community guidelines and technical 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

What is the ideal aspect ratio for Snapchat Spotlight clips?

Snapchat Spotlight requires a vertical 9:16 aspect ratio. Vidulk exports clips in this format for compatibility.

Does Vidulk add captions to my Snapchat Spotlight clips?

Yes, Vidulk burns captions directly into your video clips, since Snapchat Spotlight does not accept caption files.

How long can a Snapchat Spotlight clip be?

Snapchat Spotlight allows videos up to 5 minutes, but short clips (15 - 60 seconds) are most effective for audience engagement.

Can I use any YouTube video with Vidulk?

Only use YouTube videos you own or have rights to. Clipping and uploading content you don’t have permission to use may violate copyright.

Is Vidulk available on desktop or only mobile?

The Vidulk AI clipper is available as an app for iOS and Android. The browser-based generators on vidulk.com are for other creative formats.