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 Reply Thread Generator

Create realistic Instagram reply threads with nested comments for entertainment, memes, or mockups using Vidulk’s free browser tool.

Fake Comments Generator

Build a fake YouTube, TikTok or Instagram comment thread, then download it as a video (comments pop in) or a screenshot. Free, in your browser — nothing is uploaded.

Platform

HeadingDark mode

Comments

VerifiedCreator

Video pacing

Remove the watermark

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

Instagram Reply Thread Generator - Create Realistic Threads

What Is an Instagram Reply Thread Generator?

An Instagram reply thread generator lets you design and export fake Instagram comment threads, including main comments and multiple levels of replies. This is useful for skits, meme videos, mockups, or showcasing how a conversation might look on Instagram, all without needing to edit screenshots or use graphic design tools.

How to Make a Fake Instagram Reply Thread with Vidulk

Go to Vidulk’s Fake Comments Generator in your browser (works on iPhone, Android, Mac, and PC).
Select the Instagram style, then customize each comment: upload avatars, edit usernames (with optional verified check), write comment text, set like counts, and choose the time (like ‘4h’).
Use the reply nesting feature to add replies under any comment, mimicking real Instagram threads (creator replies, arguments, ratios, etc.).
Switch between light or dark theme to match your desired Instagram look.
Preview your thread, then export as an animated MP4 (with realistic comment pop-ins) or a static PNG screenshot. Exports are free with a small watermark; a one-time code removes it.

Key Features of Vidulk’s Instagram Thread Generator

Accurate Instagram comment visuals: avatars, bold usernames, text, likes, reply button, heart icon, verified tick, and nested replies.
Fully browser-based: no app download or signup required.
Works on any device - iPhone, Android, Mac, Windows PC.
Export as video (MP4) or image (PNG) for easy sharing in memes, skits, or presentations.
For entertainment, memes, and mockups only. Not for impersonation or deception.

Best Practices and Limitations

Use only fictional or generic usernames and avatars to avoid impersonation.
Clearly label your content as a skit, meme, or mockup if sharing online.
Do not use fake threads to deceive, harass, or mislead others.
Vidulk does not connect to Instagram or post real comments - everything is generated for entertainment and demonstration purposes.

Make it now - the free comment generator is on this page, preset to this platform.

Try Vidulk

FAQ

How do I create a fake Instagram reply thread?

Use Vidulk’s fake comments generator, choose the Instagram style, add main comments and replies, customize details, and export as video or image.

Can I use my own avatars and usernames?

Yes, you can upload custom avatars and edit every username, including adding a verified tick if desired.

Is there a watermark on the exported threads?

Free exports include a small watermark, which you can remove with a one-time code.

Can I use this tool on my phone?

Yes, Vidulk’s generator works in any mobile or desktop browser - no app or signup required.

Is it allowed to use this for pranks or impersonation?

No. Vidulk’s fake Instagram thread generator is for entertainment, memes, and mockups only - not for impersonating real people or deceiving others.