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 Facebook Live Videos into X (Twitter) Clips - Fast and to Spec

To convert a Facebook Live recording into short, vertical clips ready for X (Twitter), you need to trim, reformat, and caption your content to fit X’s requirements. Vidulk’s AI clipper app automates this process for you.

Facebook Live to X (Twitter) Clips - How to Convert

Step 1: Download Your Facebook Live Recording

Start by downloading your Facebook Live video from Meta Business Suite or Creator Studio. Facebook typically saves live streams in 16:9 (landscape) or sometimes 9:16 (portrait) format. Download the highest quality version available for best results.

Step 2: Understand X (Twitter) Video Specs

Length: Non-Premium accounts: up to 2:20 (140 seconds). Premium/Premium+ users: up to 2 hours (1080p), 4 hours (720p) on web/iOS.
Aspect Ratio: 16:9 (landscape/portrait), 1:1 recommended. Accepted range: 1:3 to 3:1.
Resolution: Recommended 1280x720 (landscape), 720x1280 (portrait), 720x720 (square).
Captions: X supports SRT subtitle files attached to uploads on web.

Step 3: Use Vidulk to Automatically Clip, Caption, and Resize

Open the Vidulk app (iOS or Android).
Paste your Facebook Live video link or upload the file.
Vidulk’s AI analyzes the video to find the most engaging moments and automatically creates short clips.
Choose the vertical (portrait) format for X, or select 1:1 or landscape as needed.
Vidulk adds captions directly to the video for improved accessibility and engagement on X.
Export your clips, ready to upload to X (Twitter).

Step 4: Upload to X (Twitter)

On X, upload your exported clips. For captions, you can either use Vidulk’s burned-in captions or attach an SRT file via X’s web interface if you prefer separate subtitles. Double-check that your video meets X’s length, aspect ratio, and resolution requirements for smooth playback.

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.

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FAQ

How do I download my Facebook Live video for editing?

Download your Facebook Live recording from Meta Business Suite or Creator Studio. Choose the highest quality available for best results.

What video size and aspect ratio does X (Twitter) accept?

X accepts videos in 16:9 (landscape or portrait), 1:1 (square), and a range from 1:3 to 3:1. Recommended resolutions are 1280x720 (landscape), 720x1280 (portrait), or 720x720 (square).

How does Vidulk automate the clipping process?

Vidulk’s AI finds the best moments in your video, creates short clips, resizes to vertical or square, and adds captions automatically.

Can I add captions to X (Twitter) videos?

Yes, you can upload videos with burned-in captions or attach an SRT subtitle file when uploading via X’s web interface.

Is Vidulk free to use?

Vidulk is free to start. Some features may require unlocking, but basic AI clipping and exporting are available at no cost.