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 Podcast Episodes into Instagram Reels Clips

To create Instagram Reels from a podcast episode, select engaging moments, format them for vertical video, add captions, and export at the right specs. Vidulk’s AI Clipper can automate most of this process.

Podcast Episode to Instagram Reels Clips - How to Convert

1. Identify the Best Podcast Moments for Reels

Not every part of a podcast makes a great Reel. Focus on segments like hot takes, funny exchanges, stories, or practical tips. Aim for clips that are 30 to 60 seconds long, as these perform well on Instagram and keep viewers engaged.

2. Prepare Your Podcast Episode for Vertical Video

If your podcast is audio-only, add a visualizer or static image with branding and guest names.
For video podcasts, ensure you have a 16:9 or wider source file; the AI will crop to vertical.

3. Meet Instagram Reels Specifications (2026)

Aspect ratio: 9:16 (vertical, full screen)
Resolution: 1080x1920 pixels minimum (Meta recommends 1440x2560 for ads)
Length: Up to 3 minutes (as of Jan 2025); Reels camera allows up to 20 min (Nov 2025 update)
Captions: Use on-screen captions for accessibility and engagement
Guest name: Overlay guest or host names for context

4. Automate Clipping with Vidulk’s AI Clipper

Vidulk (iOS & Android) simplifies this workflow. Paste your full podcast video or audio with a visualizer into the app. The AI scans for highlight moments - stories, laughs, advice - and outputs short, vertical clips with auto-generated captions and guest names on screen, sized for Instagram Reels. Export the clips and upload to Instagram, or further edit in the Reels editor if needed.

5. Tips for Posting Reels from Podcast Clips

Double-check captions for accuracy before posting.
Hook viewers in the first few seconds with a compelling quote or question.
Use Instagram’s built-in tools (like the Captions sticker) for final tweaks.
Tag guests or co-hosts for broader reach.

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

What is the best length for a podcast clip on Instagram Reels?

Aim for 30 to 60 seconds. Instagram Reels allows up to 3 minutes, but shorter clips typically get better engagement.

How does Vidulk's AI Clipper help with podcast clips?

Vidulk’s AI Clipper finds the best moments in your podcast video and exports them as vertical, captioned clips sized for Reels.

What are the Instagram Reels specs for 2026?

Recommended specs: 9:16 aspect ratio, 1080x1920 pixels or higher, up to 3 minutes length, and captions on screen for accessibility.

Can I use Vidulk for audio-only podcasts?

Yes. Add a visualizer or static image to your audio, then upload it to Vidulk to create vertical video clips for Reels.

Do I need to manually add captions to podcast Reels clips?

Vidulk auto-generates captions, but you can edit them in-app or use Instagram’s Captions sticker for adjustments.