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 TikTok LIVE Replays into TikTok Clips

To create TikTok Clips from your TikTok LIVE replays, download your LIVE video, then use Vidulk’s AI clipper to automatically generate short, vertical, captioned clips sized for TikTok.

TikTok LIVE to TikTok Clips: How to Create Vertical Clips

Step 1: Download Your TikTok LIVE Replay

First, access your LIVE replay in the TikTok LIVE center. Download the video file to your device. TikTok LIVE replays are already vertical (9:16), making them ideal for TikTok Clips.

Step 2: Choose the Best Moments to Clip

Q&A segments, reactions, and hot takes from your LIVE typically make the most engaging short clips.
Consider the moments where viewer interaction or emotional responses are strongest.

Step 3: Use Vidulk’s AI Clipper to Automate the Process

Open the free Vidulk app on iOS or Android.
Upload your downloaded TikTok LIVE replay.
Vidulk’s AI automatically scans the video, finds the most engaging moments, and creates short, vertical clips sized for TikTok (9:16, 1080x1920 resolution).
The app exports each clip with captions and correct aspect ratio for TikTok uploads.

Step 4: Export and Upload to TikTok

Export your chosen clips from Vidulk.
Clips are ready for TikTok’s current specs: up to 60 minutes, 9:16 aspect ratio, 1080x1920 resolution.
TikTok’s auto captions feature (available on the edit screen) can be toggled on or off as needed.

Tips for Better TikTok Clips

Keep clips concise: under 60 seconds is ideal for engagement, even though TikTok now allows up to 60 minutes.
Use TikTok’s built-in caption editing for fine-tuning after upload.
Double-check the exported video quality before posting.

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 TikTok LIVE replay?

Go to the TikTok LIVE center, find your replay, and select the download option to save the video to your device.

What video specs should my TikTok Clips have?

TikTok recommends 9:16 aspect ratio at 1080x1920 resolution. Videos can be up to 60 minutes, but shorter clips tend to perform best.

Does Vidulk add captions automatically?

Yes, Vidulk’s AI clipper exports clips with captions. TikTok also offers built-in auto captions you can adjust on the edit screen.

Can I use Vidulk for TikTok LIVE replays on both iOS and Android?

Yes, Vidulk’s AI clipper is available for both iOS and Android devices.

Which moments from my TikTok LIVE make the best clips?

Q&A moments, strong reactions, and hot takes usually create the most engaging and shareable TikTok Clips.