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.

Signal Chat Video Maker: Create Animated Fake Signal Conversations

Make entertaining, animated fake Signal chat videos in seconds. Export as MP4s for TikTok, Reels, and Shorts - no app or signup needed.

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 ()

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

Signal message

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

Signal message

Video pacing

Remove the watermark

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

Signal Chat Video Maker: Create Animated Fake Signal Conversations

How to Make a Fake Signal Chat Video Online

Open the free Signal Fake Chat Video Maker embedded below.
Enter your chat participants and set the Signal contact name for the header.
Type each message, choosing who sends it. Sent messages appear in blue bubbles, received in grey, with small check marks and the Signal disappearing-message timer icon for authenticity.
Customize the sequence: add typing indicators, adjust timestamps, and fine-tune the privacy-focused Signal look.

Export an Animated Signal Chat for TikTok, Reels, or Shorts

Preview the conversation as an animation. Each message appears one by one, complete with typing indicator and subtle sound effects.
Set the video speed to control pacing - ideal for short-form content.
Export your Signal chat as a vertical (9:16) MP4, ready to upload to TikTok, YouTube Shorts, or Instagram Reels. You can also export a static screenshot (PNG) if needed.
Exports are free with a small watermark; a one-time code removes it.

Tips for Viral Signal Chat Videos

Keep videos between 15 - 40 seconds for best engagement.
Start with a strong hook in the first message to grab attention.
End on a cliffhanger or twist to encourage viewers to comment or share.
Use the privacy-focused Signal vibe for secretive, whistleblower, or mystery story skits.

Entertainment, Memes, and Mockups Only

Vidulk's Signal Fake Chat Video Maker is designed for entertainment, memes, skits, and creative mockups. Never use it to impersonate real people or deceive others. Enjoy crafting your own Signal stories, but always respect ethical guidelines.

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

Try Vidulk

FAQ

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

No. The Signal chat video maker runs in your browser, no app or signup required.

Can I remove the watermark from my exported video?

Yes. Use a one-time code to remove the watermark from your MP4 or PNG export.

What file formats can I export?

You can export your fake Signal chat as an animated MP4 video or a static PNG screenshot.

Is this tool free to use?

Yes, it's free with a small watermark. Removing the watermark requires a one-time code.

What is the Signal look in the video?

Sent messages are blue, received are grey, with check marks, timer icon, and Signal's privacy-focused header.