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 Twitch Stream or VOD into Snapchat Spotlight Clips

To turn a Twitch stream or VOD into Snapchat Spotlight clips, you’ll need to download your video, reframe it to vertical (9:16), add captions, and export in a Spotlight-ready format. Vidulk’s AI clipper automates this process for fast, shareable results.

Twitch Stream / VOD to Snapchat Spotlight Clips: How-To

1. Download Your Twitch VOD or Stream Recording

Start by accessing your Twitch VOD or stream recording. If you stream on Twitch, enable VOD saving in your Creator Dashboard. Alternatively, record your stream locally using OBS for the highest quality. Download the video file to your device for editing.

2. Understand Snapchat Spotlight Video Specs

Aspect Ratio: 9:16 vertical is required for Spotlight.
Max Length: Up to 5 minutes per video (as of August 2026).
Resolution: Snap does not publish organic Spotlight specs, but 1080x1920 is widely used.
Captions: No SRT upload or auto-captioning for Spotlight. Add captions directly to the video before uploading.

3. Reframe and Edit for Vertical Viewing

Twitch content is broadcast in 16:9 horizontal, but Snapchat Spotlight requires 9:16. Use editing software or an automation tool to crop and reframe your video. Popular approaches include splitting the vertical frame between your face-cam and gameplay. Ensure the main action and reactions are visible in the vertical crop.

4. Automate the Process with Vidulk’s AI Clipper

Vidulk’s free-to-start AI clipper (iOS and Android) streamlines the workflow. Paste your Twitch VOD or upload the video, and the AI finds the best moments, reframes to vertical, and adds captions. You can export short vertical clips sized for Snapchat Spotlight, ready to upload. This saves manual editing time and ensures your content matches platform requirements.

5. Upload to Snapchat Spotlight

Transfer the exported vertical clip to your phone if needed.
Open Snapchat and tap the Spotlight tab (+ Spotlight icon).
Select your video, add in-app captions or stickers if desired, and submit to Spotlight.

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

How do I download my Twitch VOD for editing?

Enable VOD saving in your Twitch settings, then access and download from the Video Producer page. Local recordings via OBS are also an option.

What’s the required aspect ratio for Snapchat Spotlight videos?

Snapchat Spotlight requires vertical 9:16 videos. Horizontal (16:9) videos will not display correctly.

Does Snapchat Spotlight support auto-captions or SRT files?

No. Snapchat Spotlight does not allow SRT uploads or auto-captioning. Add captions directly to your video before uploading.

How does Vidulk automate Twitch to Snapchat clip creation?

Vidulk’s AI clipper finds the best moments in your Twitch VOD, reframes them to vertical, adds captions, and exports Spotlight-ready clips.

Can I use Vidulk for free?

Vidulk is free to start on iOS and Android. Some features or exports may require payment or a watermark removal code.