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 Facebook Reels Clips

To convert TikTok LIVE replays into Facebook Reels clips, use Vidulk’s AI clipper to extract, resize, and caption your best moments for easy sharing.

TikTok LIVE to Facebook Reels Clips: How to Convert

Download Your TikTok LIVE Replay

Start by downloading your TikTok LIVE replay from the TikTok LIVE Center. Replays are already in vertical (9:16) format, making them a good fit for Facebook Reels. Focus on Q&A sections, reactions, or standout moments, as these often perform best as short clips.

Facebook Reels Specs (2026 Update)

Aspect Ratio: 9:16 (vertical) recommended, but all formats accepted since June 2025
Resolution: 1440x2560 (recommended), 1080x1920 is common
Captions: Optional but recommended; Facebook Reels ads do not auto-caption
Length: No length or format restrictions as of June 2025

Clip and Caption Automatically with Vidulk

Vidulk’s AI clipper (iOS & Android) lets you paste your TikTok LIVE replay link or upload the file. The AI automatically:

Finds engaging moments (Q&A, reactions, highlights)
Exports short vertical clips, sized for Facebook Reels
Adds captions to each clip, matching Reels’ recommendations

You can review, trim, or edit each suggested clip before exporting. The output is ready to upload directly to Facebook Reels.

Export and Upload to Facebook Reels

Once you’ve exported your clips from Vidulk, simply upload them to Facebook. Use the recommended vertical aspect ratio and ensure captions are clear for viewers. No further formatting is needed, as the clips are sized and captioned to fit Facebook Reels specs.

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 download it to your device. Use this file as your source for clipping.

What are the current Facebook Reels video specs?

As of June 2025, Facebook Reels accepts any format, with 9:16 vertical and 1440x2560 resolution recommended. No length restrictions.

Does Vidulk add captions to my clips?

Yes, Vidulk’s AI clipper adds captions to your exported clips, which is recommended for Facebook Reels visibility.

Can I use Vidulk on both iOS and Android?

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

Is auto-captioning available on Facebook Reels ads?

No, Facebook Reels ads do not support auto-captioning. It’s best to add captions before uploading, which Vidulk provides.