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.

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 Vimeo Videos into X (Twitter) Clips

To create X (Twitter) clips from a Vimeo video, download your original file, then use Vidulk’s AI Clipper to produce short, vertical, captioned clips sized for X’s specs.

Vimeo Video to X (Twitter) Clips - How to Clip, Size & Caption

Step 1: Download Your Vimeo Video

First, ensure you have rights to the Vimeo video. Log in to your Vimeo account and download the original file for best quality. This gives you the source material needed for high-resolution X clips.

Step 2: Understand X (Twitter) Video Specs

Length: Non-Premium users: up to 2:20 (140 seconds). Premium: up to 2 hours at 1080p, or 4 hours at 720p.
Aspect Ratio: 16:9 (landscape or portrait), or 1:1 (square) recommended. Range: 1:3 to 3:1 supported.
Resolution: 1280x720 (landscape), 720x1280 (portrait), or 720x720 (square).
Captions: X supports SRT subtitle files attached to videos uploaded on web.

Step 3: Use Vidulk’s AI Clipper for Fast, Automated Editing

Open Vidulk on iOS or Android. Upload your downloaded Vimeo video. Vidulk’s AI automatically finds the best moments - such as highlights from talks, courses, or brand films - and turns them into short, vertical clips. The app sizes these clips for X’s vertical (9:16) or square (1:1) format and adds captions directly to the video for maximum accessibility and engagement.

Step 4: Export and Upload to X (Twitter)

Export your finished clips from Vidulk.
For captioning, you can use the burned-in captions from Vidulk or attach an SRT file if uploading via X’s web interface.
Upload the clip to X, ensuring it meets the duration and resolution requirements for your account type.

Tips for Best Results

Keep clips under 2:20 for widest compatibility.
Use vertical (9:16) or square (1:1) aspect ratios for mobile-first engagement.
Burned-in captions from Vidulk maximize accessibility if you don’t want to use SRT files.

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 Vimeo video for clipping?

Log in to Vimeo, go to your video, and use the download option to get the original file. This ensures the best quality for editing.

What is the best aspect ratio for X (Twitter) clips?

X supports 16:9 (vertical or landscape) and 1:1 (square), with 9:16 (vertical) and 1:1 most recommended for mobile viewing.

Can I add captions to X (Twitter) videos?

Yes. X lets you attach SRT subtitle files when uploading via web, or you can use Vidulk to burn captions directly onto your video.

Does Vidulk work with long videos like lectures or interviews?

Yes. Vidulk’s AI Clipper is designed to process long-form content and extract the most engaging moments as short, shareable clips.

Is Vidulk free to use?

Vidulk is free to start on iOS and Android. Some features or exports may require a one-time code to remove the watermark.