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.

Funny, Harmless Fake Instagram DM Prank Ideas (With Video Generator)

Looking for hilarious, safe Instagram DM prank ideas? Use Vidulk’s free online fake chat generator to create animated, realistic Instagram DM videos for skits and memes.

Start from a template

All templates →

Fake Chat Video Generator

Build a realistic conversation, then download it as a video (with typing + sounds) or a screenshot. Free, in your browser — nothing is uploaded.

Platform

Contact nameStatus lineChat timestampAvatar (optional)

Dark modeRead receipt (Seen)

Messages

You up? I have to tell you something 😳
It's 2am… this better be good
You will NOT believe what just happened

9:41

Alex

Active now

Today 2:02 PM

You up? I have to tell you something 😳

It's 2am… this better be good

You will NOT believe what just happened

vidulk.com

Message...

Video pacing

Remove the watermark

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

Funny, Harmless Fake Instagram DM Prank Ideas (With Video Generator)

1. Choose Your Prank Theme (Keep It Harmless & Fun)

Wrong-Number Mayhem: Pretend someone messaged the wrong person and confusion ensues.
Autocorrect Fails: Stage a conversation where autocorrect keeps changing key words to something silly.
Pet Texts: Imagine your cat or dog is DMing, asking for treats or making mischief.
Over-the-Top Parent: Script a parent who uses too many emojis or gets Instagram slang hilariously wrong.
Opinionated Delivery Driver: Make up a DM from a delivery driver with strong opinions about your food choices.

2. Script Your Conversation for Maximum Laughs

Keep your prank chat short, snappy, and obviously staged for entertainment. Plan a setup, a funny twist, and a final punchline or reaction. Avoid impersonating real people or serious topics - stick to lighthearted fun.

3. Create Your Fake Instagram DM Video with Vidulk

Open the free fake Instagram chat generator embedded below.
Enter usernames, avatars, and your scripted messages. Use the purple-to-pink gradient for sent bubbles and light grey for received, matching the real DM look.
Add 'Seen' receipts, heart reactions, and switch to dark mode if you want the night style.
Preview your conversation. Adjust timing and message order for natural flow.
Export your chat as an animated MP4 video or a PNG screenshot - no app or signup needed.

4. Share and Go Viral (Responsibly!)

Upload your fake DM video to TikTok, YouTube Shorts, or Instagram Reels. Clearly label it as a staged skit or meme. Remember, Vidulk’s fake content tools are for entertainment, not impersonation or deception.

Make it now - the free generator is on this page, preset to this platform. Export as video or screenshot.

Try Vidulk

FAQ

Is it free to make fake Instagram DM videos on Vidulk?

Yes! Vidulk’s fake Instagram DM video generator is free to use in your browser, with a small watermark. No signup or app required.

Can I remove the watermark from my fake chat video?

Yes, you can remove the watermark with a one-time code after exporting your video or screenshot.

What makes a good fake Instagram DM prank?

Keep it lighthearted, short, and obviously staged. Avoid impersonating real people or sensitive topics - focus on silly, harmless scenarios.

Can I use Vidulk’s fake chat generator for real pranks?

Only use it for entertainment, skits, memes, or mockups. Never use fake chats to deceive or impersonate real people.

Do I need to download anything to use the generator?

No download or signup needed - Vidulk’s fake Instagram DM generator runs directly in your browser.