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 TikTok Clips

To convert a podcast episode into TikTok-ready clips, use an AI tool like Vidulk to find, crop, and caption the best moments in a vertical format sized for TikTok.

Podcast episode to TikTok Clips - How to Create and Automate

Best Practices for Podcast-to-TikTok Clips

Choose standout moments: Hot takes, stories, laughs, or actionable tips work best.
Keep clips short: 30 - 60 seconds is ideal for engagement.
Add captions: Most users watch TikTok with sound off - captions are essential.
Show guest names: Display names on screen for context and recognition.

TikTok Video Specs (2026)

Aspect ratio: 9:16 vertical is recommended; 1:1 and 16:9 are also accepted.
Resolution: 1080x1920 (vertical) is standard; API accepts 360 - 4096 px per side.
Length: Up to 60 minutes per upload (feature rollout varies by region and account).
Captions: TikTok supports auto captions, but custom captions improve clarity and style.

How Vidulk Automates Podcast-to-TikTok Clips

Vidulk is a free video app (iOS and Android) with an AI clipper designed for podcasters and creators. Paste your podcast video or upload a file, and Vidulk's AI scans the content to detect the best moments - such as highlights, jokes, or practical tips. The app then exports vertical clips (9:16), automatically adds captions, and displays guest names if present in the original. The exported videos are sized and formatted for TikTok, so you can post immediately without manual editing.

Step-by-Step: Using Vidulk for TikTok Clips

Open Vidulk on your device.
Paste your podcast video link or upload the file.
Let the AI analyze and select key moments.
Review, trim, and customize captions as needed.
Export vertical, captioned clips ready for TikTok.

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

What is the ideal length for a TikTok podcast clip?

Aim for 30 - 60 seconds per clip for best engagement, though TikTok now allows uploads up to 60 minutes.

How does Vidulk choose the best moments from a podcast?

Vidulk's AI detects highlights such as hot takes, stories, laughs, or tips automatically from your podcast video.

Do I need to add captions manually for TikTok?

Vidulk adds captions automatically to your clips. TikTok also offers built-in auto captions, but custom captions improve clarity.

What video size and aspect ratio should I use for TikTok?

Use 9:16 vertical videos at 1080x1920 resolution for best results on TikTok.

Can I use Vidulk with audio-only podcasts?

Yes, you can upload audio with a visualizer or static image to create TikTok clips using Vidulk.