# https://www.vidulk.com llms.txt

Vidulk is a mobile-first AI video clipping app for iOS and Android. It turns long videos and audio from any source — YouTube, TikTok, Instagram Reels, Facebook, podcasts, lectures, or local files — into viral short-form clips. It also includes a built-in video downloader for saving videos from any platform directly to your device. Everything runs on your phone: transcription, clip detection, image generation, and export.

The app uses AI services powered by Vidulk's own infrastructure:
- On-device Whisper models for speech-to-text transcription (99 languages, private, no cloud upload)
- Server-side Whisper for long videos (>5 min) for fast, reliable processing
- Cloud-based AI for intelligent clip detection and scoring
- AI-powered caption removal for stripping burned-in subtitles from videos
- On-device diffusion models for AI image generation and enhancement (Apple Neural Engine)
- On-device face detection for smart speaker cropping (iOS Vision / Android ML Kit)

## Core Information & Pages

- App Store: https://apps.apple.com/us/app/vidulk-text-story-video-maker/id6747647855
- Google Play: https://play.google.com/store/apps/details?id=com.vidulk.app
- Privacy Policy: https://www.vidulk.com/privacy
- Terms of Use: https://www.vidulk.com/terms
- Contact Us: https://www.vidulk.com/support
- Referral: https://www.vidulk.com/join

## Tool Pages

- YouTube to Shorts: https://www.vidulk.com/tools/youtube-to-shorts
- TikTok Clip Maker: https://www.vidulk.com/tools/tiktok-clip-maker
- Instagram Reels Maker: https://www.vidulk.com/tools/instagram-reels-maker
- Podcast Clip Maker: https://www.vidulk.com/tools/podcast-clip-maker
- Audio to Video Clips: https://www.vidulk.com/tools/audio-to-video-clips
- AI Video Clipper: https://www.vidulk.com/tools/ai-video-clipper
- AI Clip Generator: https://www.vidulk.com/tools/ai-clip-generator
- Long Video to Short Clips: https://www.vidulk.com/tools/long-video-to-short-clips
- Facebook Reels Maker: https://www.vidulk.com/tools/facebook-reels-maker
- Video to Shorts Converter: https://www.vidulk.com/tools/video-to-shorts-converter
- What is Clipping?: https://www.vidulk.com/tools/what-is-clipping
- Clipping App: https://www.vidulk.com/tools/clipping-app
- Clipping Tool: https://www.vidulk.com/tools/clipping-tool
- Best Clipping Software: https://www.vidulk.com/tools/best-clipping-software
- Video Clipping: https://www.vidulk.com/tools/video-clipping
- Medal Alternative: https://www.vidulk.com/tools/medal-clipping
- Discord Clip Maker: https://www.vidulk.com/tools/discord-clipping

## What Vidulk Does

End-to-end AI video clipping in 5 steps:

1) Import From Anywhere — Paste a YouTube, TikTok, Instagram Reel, or Facebook link. Upload video or audio files from your device. Drop a podcast RSS feed. Supports any downloadable URL. Optionally enable AI caption removal to strip burned-in subtitles before clipping.
2) AI Transcribes & Detects Clips — AI transcribes with word-level timestamps in 99 languages (auto-detected). Short videos are processed on-device; long videos use server-side AI for speed. AI analyzes the transcript to find the most engaging moments, each categorized and scored by virality (1-10). 6 categories: Insight, Story, Controversial, Funny, Emotional, Tactical. Speaker detection for multi-host content.
3) Customize Everything — Full clip editor with 6 caption styles (Highlight, Karaoke, Typewriter, Minimal, Bold Pop, Gradient), custom fonts, text colors, highlight colors, background colors, font sizes, and vertical positioning. 4 aspect ratios (9:16, 1:1, 4:5, 16:9) with visual crop reframing. Resolution up to 4K. Trim controls with frame-accurate start/end. Playback speed 0.5x to 2x. Saved style presets.
4) Add Backgrounds & Visuals — For audio-only content: 1,200+ built-in backgrounds across 12 categories in portrait, landscape, and square formats. On-device AI image generation with 6 art styles. Slideshow mode with crossfade transitions. Auto-Illustrate: AI reads transcript and generates relevant images per segment. Audiogram visualizations.
5) Export & Share — Export clips directly to Camera Roll in MP4 or MOV. Share to TikTok, Instagram Reels, YouTube Shorts, or any platform instantly. Batch export multiple clips. Resolution options: 720p, 1080p, 4K.

## AI Caption Removal

Vidulk can automatically detect and remove burned-in captions and subtitles from videos before clipping:
- AI detects text in each frame and seamlessly removes it using the surrounding video
- Works best with dynamic/moving captions (TikTok, Reels, YouTube subtitles)
- Optional feature — enable via checkbox before processing
- Processing takes approximately 7-20 minutes depending on video length
- All generated clips are caption-free when enabled
- Uses additional video credits based on duration (2 credits for <5 min, 5 for 5-15 min, 10 for 15+ min)

## Video Downloader

Vidulk includes a built-in video downloader that saves videos from any platform directly to your device:
- YouTube — download in original quality
- TikTok — save without watermark
- Instagram — download Reels, Stories, and posts
- Twitter/X — save videos from tweets
- Facebook — download videos and Reels
- Original quality — no compression or quality loss
- Videos saved straight to your Photos library
- Works with podcasts, music, social media, and more

## AI Studio Features

- Create Backgrounds: Generate AI images from text prompts with 6 styles (Photorealistic, Illustrated, Abstract, Minimalist, Anime, Watercolor) and 5 aspect ratios
- Image Enhancer: Upscale images 2x, 4x, or 8x with multiple output formats and crop modes
- All processing happens on-device using Apple Neural Engine — no cloud uploads
- Generated images can be used as clip backgrounds, thumbnails, or standalone content

## Clip Editor Features

- Caption Styles: Off, Highlight (Hormozi-style), Karaoke, Typewriter, Minimal, Bold Pop, Gradient
- Font families: System, SpaceMono, Helvetica-Bold, Georgia, Courier, Futura-Bold
- Full color customization: text color, highlight color, background color
- Font size (14-64px), vertical position (5-95%), words per line (2-8), background padding
- Aspect Ratios: 9:16 (TikTok/Reels/Shorts), 1:1 (Instagram Feed), 4:5 (Instagram Optimal), 16:9 (YouTube/Landscape)
- Resolution: 720p, 1080p, 4K
- Export formats: MP4, MOV
- Trim with precise start/end controls
- Playback Speed: 0.5x, 0.75x, 1x, 1.25x, 1.5x, 2x
- Smart clip categorization with virality scoring
- Automatic face-tracking crop for speaker centering
- Zoom keyframes for emphasis moments
- Saved style presets

## Multi-Language Support

- Speech recognition supports 99 languages including English, Spanish, French, German, Korean, Japanese, Chinese, Arabic, Hindi, Portuguese, Indonesian, Thai, Vietnamese, and many more
- Language is detected automatically — no manual selection needed
- Captions render correctly in all scripts including CJK, Arabic, Hebrew, Thai, and Devanagari
- App interface available in 30+ languages
- AI clip detection generates titles and hooks in the transcript's original language

## Audio-Only Content Features

- Animated audiogram visualizations (bar, wave, circle, particle styles)
- 1,200+ built-in background images across 12 categories in 3 aspect ratios
- AI-generated custom backgrounds from text prompts
- Image slideshow mode with crossfade transitions
- Auto-Illustrate: AI reads transcript and picks relevant images per segment
- Speaker avatar with glow/pulse effects

## Supported Input Sources

- YouTube (paste link, auto-download)
- TikTok (paste link)
- Instagram Reels (paste link)
- Facebook videos (paste link)
- Twitter/X (paste link)
- Any downloadable video URL
- Local video files (Camera Roll)
- Local audio files (any format)
- Podcast RSS feeds

## Data & Privacy

- Video processing and transcription happen on-device for short videos
- Long videos use server-side processing (audio only, deleted after transcription)
- AI image generation and enhancement happen on-device
- Users retain full ownership of their clips and generated content
- Anonymous sign-in available (no account required to start)
- See the Privacy Policy for full details

## Why Vidulk vs Desktop Tools

- Mobile-native: clip on the go, no laptop needed
- On-device AI: transcription and image generation run locally (private and fast)
- Built-in video downloader: save videos from any platform
- 99-language support: auto-detected, works globally
- 1,200+ built-in backgrounds: no need to source visuals separately
- Instant Camera Roll export: post to social media in seconds
- Full audio-only support: audiograms, AI backgrounds, slideshows

## Intended Use & Safety

- For content creators, podcasters, educators, marketers, and agencies
- Clip detection works with any spoken-word video or audio content
- Supports 99 languages for transcription
- Respect intellectual property and platform rules where clips are shared
- Do not use for creating misleading or harmful content

## Purpose

Vidulk aims to make professional video clipping fast, accessible, and affordable for creators. It automates the tedious process of finding clip-worthy moments in long-form content, so creators can focus on publishing and growing their audience — all from their phone.