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.

Instagram DM Video Maker: Create & Export Fake Chat Animations

Create realistic, animated Instagram DM conversations for your TikTok, Reels, or Shorts using Vidulk’s free online video generator - no signup or app required.

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.

Instagram DM Video Maker: Create & Export Fake Chat Animations

Step 1: Open the Free Instagram DM Video Generator

Scroll down to use the embedded Instagram DM fake chat video maker on this page. The generator runs entirely in your browser - no app download or account needed.

Step 2: Design Your Fake Conversation

Choose Instagram DM from the platform options.
Add sender and receiver usernames, profile pictures, and set the header.
Type each message, picking who sends it. The chat bubbles will appear in Instagram’s signature style: purple-to-pink gradient for sent messages, light grey for received, round avatars, and 'Seen' receipts.
Use heart reactions and enable dark mode for extra realism.

Step 3: Animate and Preview Your Chat

Switch to "Video" mode in the generator.
Set animation speed and enable typing indicators and sound effects for each message.
Preview the animation. Each message will appear in sequence, just like a real DM conversation.

Step 4: Export as Vertical Video (MP4)

Choose MP4 export for a vertical (9:16) video, ready for TikTok, Reels, or Shorts.
Free exports include a small watermark. If you want to remove it, use a one-time code after export.
You can also export a static screenshot (PNG) if needed.

Tips for Viral Instagram DM Videos

Keep videos between 15 - 40 seconds for best engagement.
Start with a strong hook in the first message to grab viewers’ attention.
End on a cliffhanger to encourage shares and comments.
Use for skits, memes, parodies, or mockups - never to impersonate or deceive.

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

Try Vidulk

FAQ

Is the Instagram DM video generator free to use?

Yes, you can create and export fake Instagram DM videos for free. Exports include a small watermark, removable with a one-time code.

Do I need to download an app or sign up?

No app download or signup is needed. The generator runs in your browser on any device.

Can I add typing indicators and sound effects to the video?

Yes, you can enable typing indicators and message sound effects for each chat message before exporting.

What export formats are supported?

Export your fake Instagram DM as a vertical MP4 video or a static PNG screenshot - both are available free.

What is the intended use of these fake chat videos?

These tools are for entertainment, skits, memes, and mockups only. Never use them to impersonate others or deceive.