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 Zoom Recordings into Snapchat Spotlight Clips

To post your Zoom meeting or webinar highlights on Snapchat Spotlight, crop to vertical, trim to under 5 minutes, and add captions. Vidulk’s AI Clipper streamlines this process.

Zoom Recording to Snapchat Spotlight Clips: Step-by-Step Guide

1. Check Consent and Export Your Zoom Recording

Before repurposing Zoom content, ensure you have consent from all participants. Export your Zoom recording (cloud or local) in speaker view for the best results. The exported file will be in a 16:9 horizontal format.

2. Understand Snapchat Spotlight Video Requirements

Aspect ratio: 9:16 vertical is required for Spotlight.
Maximum length: 5 minutes per video upload (as of August 2026).
Resolution: 1080x1920 pixels is widely used, though Snap does not publish exact specs.
Captions: No SRT upload or auto-captioning; add captions using editing apps or Snap’s in-app Creative Tools.

3. Use Vidulk’s AI Clipper to Automate Cropping and Clipping

Vidulk’s free AI Clipper app (iOS and Android) helps you quickly turn Zoom recordings into Spotlight-ready clips:

Paste your Zoom video link or upload the file.
The AI analyzes the video, finds the most engaging moments, and automatically crops to vertical, focusing on the active speaker.
Each clip is trimmed to fit Spotlight’s 5-minute limit.
Clips export in vertical 9:16 format, sized for Snapchat Spotlight.
Vidulk adds burned-in captions to each clip, since Spotlight does not support caption files.

4. Final Edits and Upload to Snapchat Spotlight

Review your exported clips from Vidulk. For any extra edits, you can use Snapchat’s in-app Creative Tools to adjust captions, stickers, or effects. Then, upload your vertical, captioned video to Spotlight via the Snapchat app.

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 crop a Zoom recording for Snapchat Spotlight?

Use a vertical crop (9:16 aspect ratio) focusing on the active speaker. Vidulk’s AI Clipper automates this cropping for you.

What is the maximum video length for Snapchat Spotlight?

Snapchat Spotlight allows videos up to 5 minutes, as of August 2026.

Can I add captions to my Spotlight clips?

Snapchat Spotlight does not support caption files. Use Vidulk to burn captions into your video or add them with Snapchat’s Creative Tools.

What file format and resolution should I use for Spotlight?

Export your video as vertical (9:16), ideally 1080x1920 pixels. MP4 is widely accepted.

Is Vidulk free to use for clipping Zoom recordings?

Vidulk’s AI Clipper is free to start on iOS and Android, with watermark removal available via a one-time code.