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.

Story Mockup Generator: Preview Stories Instantly Online

Vidulk’s free story mockup generator lets you create and export realistic Instagram or Snapchat story previews directly in your browser, with no signup required.

Fake Story Generator

Design a fake Instagram or Snapchat story — gradient or your own photo, text overlay — then download it as a video or a screenshot. Free, in your browser — nothing is uploaded.

Platform

UsernameTime

Background

Upload photo

Profile photo (optional)

Story text

Text backgroundSegments

Video length

Remove the watermark

Made by Vidulk — the AI app that turns text & long videos into viral story clips.

Story Mockup Generator: Free Online Tool for Designers

What Is a Story Mockup Generator?

A story mockup generator is a tool for designers, marketers, and content creators to visualize how a story (such as an Instagram or Snapchat story) will appear before posting. Vidulk’s story mockup generator provides an authentic frame and layout, so you can see exactly how text, images, and design elements will look on a real device.

How to Use Vidulk’s Story Mockup Generator

Open Vidulk’s story mockup generator in your browser - works on iPhone, Android, PC, and Mac.
Choose your platform style (Instagram or Snapchat).
Enter your text, upload images, and adjust colors or backgrounds to match your vision.
Preview your story in a realistic mobile frame as you edit.
Export your mockup as a clean PNG screenshot or an animated MP4 video. Free exports include a small watermark, which can be removed with a one-time code.

Why Use a Story Mockup Generator?

Preview before posting: Ensure your story looks polished and on-brand before sharing it publicly.
Client presentations: Show clients exactly how their campaign will appear in a real story format.
Design testing: Experiment with different layouts, captions, and visuals to find the most effective combination.
Entertainment and skits: Create memes, jokes, or mockups for fun and social sharing.

Important Usage Guidelines

Vidulk’s story mockup generator is intended for entertainment, memes, skits, and design mockups. Do not use it to impersonate real people or deceive others. Always use mockups responsibly and ethically.

Make it now - the free story generator is on this page.

Try Vidulk

FAQ

Can I export my story mockup as a video or image?

Yes, Vidulk lets you export your story mockup as an animated MP4 video or a PNG screenshot.

Is the story mockup generator free to use?

Yes, you can use Vidulk’s story mockup generator for free in your browser. Free exports have a small watermark, removable with a one-time code.

Do I need to create an account or install an app?

No account or app is needed. Vidulk’s story mockup generator works directly in your web browser on any device.

Can I use the tool for client presentations or design previews?

Yes, the tool is ideal for previewing story designs, client presentations, and marketing mockups before publishing content live.

Is it okay to use real names or brands in mockups?

Mockups are for entertainment, memes, and design previews only. Do not use them to impersonate real people or mislead others.