How to Create Viral Videos Using AI Tools in 2026 (Step-by-Step Guide for Beginners)

Updated: September 2026  |  10 min read  |  Toolszai Editorial Team

The best viral AI video tools available right now can write your script, generate footage, add captions, and produce a finished video all in under 10 minutes.

Whether you are a student, a content creator, or a business owner, these tools eliminate every technical barrier that used to stand between you and a professional-looking video. Furthermore, they are all free to start no credit card required.

In this step-by-step guide, we cover the 5 best viral AI video tools that will help you create videos people actually want to watch and share in 2026.

Quick Fact: Over 500 hours of video are uploaded to YouTube every single minute. To stand out, you need to create fast, create consistently, and create smart. Viral AI video tools help you do all three without the traditional time and skill investment.

Why Use Viral AI Video Tools to Create Content in 2026?

Creating videos used to take hours writing scripts, recording footage, editing timelines, adding subtitles, designing thumbnails. Each step required a separate skill. Additionally, each step required separate software that took time to learn.

AI changes all of that. Today’s viral AI video tools handle the entire production workflow automatically. You provide the idea a topic, a script, or even just a sentence and the AI handles everything else. The result is a polished, platform-ready video in minutes rather than hours.

Moreover, consistency is one of the most important factors in building an audience on YouTube, TikTok, or Instagram. AI video tools make it realistic to publish multiple times per week without burning out because the production burden has been eliminated, not just reduced.

5 Best Viral AI Video Tools in 2026 Full Breakdown

Before diving into the step-by-step guides, here is a quick overview of all 5 tools at a glance.

01. Pictory AI Best Viral AI Video Tool for Script to Video

Pictory AI is one of the easiest AI video tools available in 2026. You paste your script or even an existing blog post and Pictory automatically turns it into a full video with stock footage, captions, and background music in minutes. No recording, no editing, no technical skills required.

Additionally, Pictory is particularly popular with content creators who already produce written content blog posts, newsletters, and articles and want to repurpose that content into videos without starting from scratch.

Pictory AI Key Features

• Turns any script or blog post into a full video automatically
• Auto-captions and subtitles with one click
• Huge stock footage library built in
• AI voice narration across multiple voices and accents
• Perfect for YouTube, Reels, and TikTok

How to Use Pictory AI Step by Step

1. Go to pictory.ai and create a free account
2. Click “Script to Video” and paste your script
3. Pictory automatically matches stock footage to your words
4. Add your voiceover or choose an AI voice
5. Add captions with one click
6. Download and upload to YouTube or Instagram

Best for: Content creators, bloggers, YouTubers, and business owners who want to repurpose written content into videos fast.

✅ Try Pictory AI for Free No credit card needed. Start creating videos in minutes with your free account.

02. Runway ML Best AI Video Tool for Generating Viral Content from Text

Runway ML is one of the most powerful AI video generation tools in the world. You type a description and Runway generates an actual video from scratch. No footage needed, no camera required. Consequently, it is used by professional filmmakers and YouTube creators worldwide.

Runway ML Key Features

• Text to video type a description, get a video
• Image to video turn any photo into a moving scene
• AI background removal in videos
• Slow motion and video enhancement tools
• Used by Hollywood professionals and YouTube creators

How to Use Runway ML Step by Step

1. Go to runwayml.com and sign up free
2. Click “Text to Video” from the dashboard
3. Type your video description in detail
4. Choose your video style and resolution
5. Click Generate and wait 30 to 60 seconds
6. Download your AI-generated video

Best for: Videographers, photographers, and creators who want to generate unique video content without a camera.

✅ Try Runway ML Free Now Generate your first AI video in under 60 seconds.

03. Kapwing Best AI Video Editor for Subtitles and Viral Formatting

Kapwing is the easiest online AI video editor for beginners. It works directly in your browser no downloads needed. It automatically adds subtitles, removes silences, resizes videos for any platform, and handles every post-production task that usually requires expensive software.

Furthermore, Kapwing supports 70+ languages for subtitle generation making it one of the best tools for creators building audiences outside the English-speaking world.

Kapwing Key Features

• Auto-subtitle generation in 70+ languages
• Remove silences from videos automatically
• Resize videos for YouTube, TikTok, and Reels in one click
• AI video background remover
• Works 100% in your browser no install needed

How to Use Kapwing Step by Step

1. Go to kapwing.com and create a free account
2. Click “Upload” and add your video file
3. Click “Subtitles” → “Auto Generate”
4. Edit any subtitle mistakes manually
5. Use “Resize” to create versions for each platform
6. Export and download your final video

Best for: Students, content creators, and social media managers who want to edit videos quickly without technical skills.

✅ Edit Videos Free with Kapwing Add subtitles, remove silences, and resize for every platform, all for free.

04. InVideo AI Best Viral Video AI Tool for YouTube Creators

InVideo AI is a powerful tool that creates complete YouTube videos from just a text prompt. You tell it your topic, choose your target audience, and InVideo creates a full video with voiceover, stock footage, and subtitles completely automatically. As a result, it is the most popular AI video tool among YouTube creators who need to publish consistently at scale.

InVideo AI Key Features

• Type a topic get a full video in minutes
• AI voiceover in multiple languages
• 5,000+ templates for every niche
• Stock footage and music library included
• Export directly to YouTube

How to Use InVideo AI Step by Step

1. Go to invideo.io and sign up free
2. Click “AI Video” from the dashboard
3. Type your video topic and target audience
4. Select your platform YouTube, Reels, or TikTok
5. InVideo generates the full video automatically
6. Edit, customize, and export your video

Best for: YouTubers, business owners, and marketers who want to produce videos at scale without spending hours editing.

✅ Create YouTube Videos with InVideo AI Type a topic. Get a full video. It really is that simple.

05. Canva AI Video Best Free Viral AI Video Tool for Social Media

Canva is already the world’s most popular design tool and in 2026, its AI video features make it one of the most powerful platforms for social media video creation. With Canva AI, you can create stunning Instagram Reels, YouTube Shorts, and video presentations with no design experience at all.

Moreover, Canva’s Brand Kit feature ensures that every video you create automatically matches your brand colors, fonts, and visual identity making your content look professionally produced even when it was made in minutes.

Canva AI Video Key Features

• AI text to video describe it and generate it
• Thousands of animated video templates
• Magic Write AI for scripts and captions
• One-click background remover
• Direct sharing to all social media platforms

How to Use Canva AI Video Step by Step

1. Go to canva.com and create a free account
2. Search “Video” and choose your format Reels, YouTube, etc.
3. Pick a template or start from scratch
4. Use Magic Write to generate your captions and script
5. Add music, animations, and your brand colors
6. Download or share directly to Instagram or YouTube

Best for: Photographers, content creators, and small business owners who want to create beautiful short videos for social media without editing skills.

✅ Design Beautiful Videos Free with Canva Millions of people trust Canva. Join them and start creating stunning videos today.

Frequently Asked Questions About Viral AI Video Tools

Which viral AI video tools are completely free to use?

All 5 tools in this guide Pictory AI, Runway ML, Kapwing, InVideo AI, and Canva AI offer free plans that require no credit card to start. The free plans include enough features to create and publish real videos. Paid plans unlock higher export quality, more templates, and longer video lengths but the free tier is fully functional for beginners and light users.

Do I need any experience to use these AI video tools?

No, all 5 tools are specifically designed for beginners with no video editing experience. Pictory AI and InVideo AI are the most beginner-friendly you simply paste a script or type a topic and the AI builds the entire video automatically. Kapwing requires only uploading your video and clicking Auto Generate for subtitles. Runway ML and Canva AI have slightly more options to explore but are still straightforward enough for a complete beginner to produce a finished video on the first attempt.

Which AI video tool is best for making viral TikTok videos?

For TikTok specifically, Kapwing and Canva AI are the strongest choices. Kapwing automatically resizes any video to TikTok’s vertical format, removes silences that cause viewers to scroll away, and adds word-by-word captions that are essential for TikTok engagement. Canva AI gives you access to thousands of trending templates designed specifically for short-form vertical content. Additionally, InVideo AI lets you select TikTok as your target platform from the start, optimizing the entire video structure for short-form viewing habits.

Can I create YouTube videos for free using AI tools?

Yes, InVideo AI and Pictory AI are the best free options for full-length YouTube videos. InVideo AI generates a complete video script, voiceover, stock footage, and subtitles from a single topic prompt, with YouTube as a selectable target platform. Pictory AI is ideal for converting existing blog posts or articles into YouTube-ready videos automatically. Both tools export at sufficient quality for YouTube on their free plans, with longer video length and HD export available on paid tiers.

What is the easiest AI tool to create videos for complete beginners?

Pictory AI and InVideo AI are the easiest AI video tools for complete beginners both require no technical knowledge and handle the entire video creation process from a single input. Pictory AI is best if you already have written content to repurpose. InVideo AI is best if you want to create a new video from just a topic idea. Kapwing is the easiest option if you have existing video footage and need to add subtitles, remove silences, or resize for social media quickly.

Final Thoughts Start Creating Viral AI Videos Today

Going viral is no longer just for big YouTubers with expensive equipment and full production teams. With the 5 viral AI video tools in this guide, anyone can create professional, high-quality videos that people love to watch and share for free, in minutes, starting today.

The best place to start depends on your goal. Start with Pictory AI or InVideo AI if you are a complete beginner who wants a finished video from a script or topic. Try Runway ML if you want to generate entirely original video content without any footage. Use Kapwing for editing existing videos and adding subtitles. Choose Canva AI for beautiful, branded social media videos that match your visual identity.

The best time to start creating was yesterday. The second best time is right now.