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.

Instagram Live to X (Twitter) Clips: Step-by-Step Automation Guide

To turn Instagram Live videos into short, vertical clips for X (Twitter), download your Live, then use Vidulk’s AI Clipper to automatically find, size, and caption the best moments for X’s specs.

Instagram Live to X (Twitter) Clips - How to Create

1. Download Your Instagram Live Video

After finishing your Instagram Live, download the full video from the Instagram app or web. This gives you a single vertical video file, which you’ll use as your source for X clips.

2. Understand X (Twitter) Video Specs

Length: Non-Premium - up to 2:20 (140 seconds); Premium/Premium+ - up to 4 hours (with resolution limits).
Aspect Ratio: 16:9 (portrait or landscape) and 1:1 recommended; accepted range 1:3 to 3:1.
Resolution: For portrait, 720x1280 px is recommended; square is 720x720 px.
Captions: X supports attaching SRT subtitle files on web uploads.

3. Use Vidulk’s AI Clipper for Fast, Automated Edits

Open Vidulk (iOS or Android) and upload your downloaded Instagram Live. Vidulk’s AI Clipper scans the video, automatically finds the most engaging moments, and creates short, vertical clips. You can specify X (Twitter) as your destination to ensure sizing and duration match platform requirements. The app adds captions directly to the video for easy viewing on X’s feed.

4. Export and Upload to X (Twitter)

Export the finished clips from Vidulk. Each will be sized vertically (9:16), captioned, and under X’s length limits.
On X’s web platform, you can also attach SRT subtitle files for accessibility.
Upload your clips to X (Twitter) via mobile or web, choosing the correct aspect ratio and length for your account type.

5. Tips for Quality and Engagement

Trim shaky intros and outros before uploading to Vidulk for cleaner clips.
Preview each clip to ensure captions are accurate and key moments are highlighted.
Use square or vertical for best mobile engagement on X.

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 Instagram Live video?

After your Live ends, go to your Instagram archive or the post and use the download option to save the full video to your device.

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

Vertical (9:16) and square (1:1) work well, but X accepts ratios from 1:3 to 3:1. For vertical videos, 720x1280 px is ideal.

Can I add captions to my X (Twitter) clips with Vidulk?

Yes, Vidulk automatically adds captions to your clips. You can also upload SRT files to X’s web platform for accessibility.

What is the maximum clip length for X (Twitter)?

Non-Premium accounts: 2:20 (140 seconds). Premium/Premium+ users: up to 4 hours, with resolution limits.

Does Vidulk work with Instagram Live videos?

Yes, Vidulk’s AI Clipper can process downloaded Instagram Live videos and create short, vertical, captioned clips optimized for X (Twitter).