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.

Create Fake Signal Chats on iPhone, Android, and PC - No App Needed

You can make realistic fake Signal chat videos or screenshots for fun, memes, or story mockups using Vidulk’s free online generator - no download or signup 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 ()

Messages

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

Script import & bulk exportpaste a script instead of typing

Reading a script into the editor is free. Downloading up to 10 videos at once needs a PREMIUM code.

1. Get scripts from ChatGPT, Claude or any AI

Say what the videos are about. Copy the prompt, paste it into your AI, then paste its answer below.

Videos

Or open it in ChatGPT or Claude.

2. Paste the scripts

Writing them yourself? See the format

Start each video with a line like === 1 ===.
One label: text per line. title: names the file.
Use me: for messages I send and them: for messages from the other person.
Put contact: (the other person's name) near the top of each script.
You may add platform: with one of: imessage, whatsapp, instagram, tiktok, messenger, telegram, android-sms, discord, twitch, snapchat, signal, line, tinder, bumble, onlyfans, slack, teams.
You may add dark mode: yes or no, and time: such as Today 2:02 PM.
Write 6 to 14 short messages per script, the way people really text.

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

Video background

PREMIUM

Put your video on a moving background, the format story channels use.

Free to preview. Downloading with a background needs a . The free download saves your video without it.

Gameplay, b-roll, anything you have the rights to. It stays on your device.

Get a premium code

No watermark on videos and screenshots
Video backgrounds, including your own footage
Bulk export: up to 10 videos at once
Works on every Vidulk tool, on the site and in the Chrome extension

Secure payment via Stripe · no account · one code unlocks everything premium

How it works

Pick a premium code and pay with Stripe. No account or login needed.
Your code (VID-…) appears right after payment and is emailed to you.
Paste it in the “Have a code” box and click Apply. Everything premium is unlocked from then on.
The same code works on every Vidulk tool, on vidulk.com and in the Vidulk Chrome extension, on any device — just paste it again.
The 24-hour pass runs for a day from purchase and never counts down. Monthly renews each month until you cancel, which you can do any time from this panel; the rest of the month stays yours.
Unlimited is a one-time lifetime license: it never expires and there is nothing to renew.
Keep your code private — it is the only thing that unlocks your purchase. Sharing a code is against our Terms of Use: a shared code is invalidated, without refund. Codes do not work in the mobile app.

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

Create Fake Signal Chats on iPhone, Android, and PC - No App Needed

What Is the Fake Signal Chat Generator?

Vidulk’s browser-based tool lets you create fake Signal conversations that look just like the real app, complete with blue sent bubbles, grey received bubbles, check marks, disappearing-message icons, and the contact name in the header. Export your creation as an animated MP4 video or a PNG screenshot, perfect for entertainment, skits, or social media mockups.

How to Use on iPhone, Android, or PC

Open your browser: On iPhone use Safari, on Android use Chrome, and on PC/Mac/Chromebook use any browser or the Chrome extension.
Go to Vidulk’s Fake Signal Chat Generator: Access the tool directly at vidulk.com/fake-chat-video.
Customize your chat: Enter the contact name, set the profile photo, add messages (blue for sent, grey for received), and adjust timestamps or add the disappearing-message icon as needed.
Preview your chat: See your fake Signal conversation update in real time, exactly matching the Signal style and privacy-focused vibe.
Export your creation: Download as an MP4 video (animated chat) or PNG (screenshot). Save directly to your device’s gallery, downloads, or camera roll - no account required.

Why Use Vidulk’s Online Generator?

No app to install: Works instantly in your browser on any device.
Free and private: No login or signup needed. Free export with a small watermark, easily removed with a one-time code.
Perfect for creative projects: Use for memes, skits, mystery stories, or mockups - never for impersonation or deception.

Tips for Realistic Signal Chats

Use blue and grey bubbles to distinguish between sent and received messages.
Add the checkmark and disappearing-message timer icons for authenticity.
Set a fitting contact name and header for your scene.
Keep your content within the boundaries of entertainment and ethical use.

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

Try Vidulk

FAQ

Is there a fake Signal chat maker app for iPhone or Android?

You don’t need to install an app. Vidulk’s free Signal chat generator works in your browser on iPhone, Android, or PC.

Can I export fake Signal chats as video or image?

Yes, export your fake Signal chat as an animated MP4 video or a PNG screenshot directly to your device.

Is Vidulk’s fake Signal chat generator free?

Yes, it’s free to use with a small watermark. You can remove the watermark with a one-time code.

Do I need to create an account to use the generator?

No account or signup is required. The tool is fully browser-based and private.

What can I use fake Signal chats for?

They are for entertainment, memes, skits, or mockups. Do not use them to impersonate or deceive real people.