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IYOUTUBER

Auto Video Editor

Turn your audio voiceover and images into engaging YouTube videos and Shorts with auto-subtitles, camera zooms, and smooth transitions.

Provide your voiceover, script, and images. The AI will sync them automatically.

Select Files

Select multiple files

Click or drag audio

MP3, WAV

0 Scenes Detected

Ready to generate
Guide

How to Use

Create a fully edited video automatically in just a few simple steps.

1

Prepare Your Images or Videos

Prepare the visual for each scene of your video.

  • Use images, video clips, or both
  • Use one visual for each scene
  • Keep them in the correct order
  • Number them sequentially
Example:1.png → 2.png → 3.mp4 → 4.png → 5.mp4
2

Generate Your Audio

Generate a voiceover using your final video script with any AI voice generator or text-to-speech tool.

Make sure the voiceover contains the exact same script that you will paste into the editor. Then save the generated audio file on your device.

Important: Do not modify the script after generating your audio.
3

Upload Your Visuals

Click Select Files and upload your images and/or video clips.

The editor will automatically use their order to create your scenes.

4

Upload Your Audio

Upload the voiceover file you generated in the previous step.

The audio will be used to synchronize your video with the script and subtitles.

5

Add Your Script

Paste your space-separated script into the script box. The editor will automatically map each part of your script to the corresponding visual.

Script 1 → Visual 1
Script 2 → Visual 2
Script 3 → Visual 3

You can also replace individual visuals if needed.

6

Customize Your Video

Adjust the available settings to match your style:

Aspect RatioSubtitle SizeSubtitle FontSubtitle AnimationSubtitle PositionCamera EffectsTransitions
7

Render & Export

Once everything is ready, click Render & Export. The editor will automatically combine your:

Images/Videos + Audio + Script + Subtitles + Effects + Transitions

into your finished video.

Keep your browser open while the video is rendering.

⚠️

Important

For the best results:

  1. 1.Keep your images and videos in sequential order.
  2. 2.Use the correct space-separated script format.
  3. 3.Generate your audio from the exact same script you upload.
That's it. Your video is ready to publish.100% Free

Features

AI Voice Sync

Automatically aligns each visual scene and animated caption to your spoken voiceover timeline.

Multiple Aspect Ratios

Export landscape 16:9 for YouTube or vertical 9:16 for TikTok, Instagram Reels, and YouTube Shorts.

Dynamic Camera Moves

Bring static photos to life with intelligent Ken Burns panning, smooth zooms, and camera pulses.

Animated Subtitles

Generate engaging TikTok-style dynamic captions with pop, bounce, and fade micro-animations.

100% Client-Side Privacy

All video processing is powered by WebAssembly FFmpeg inside your browser. No files leave your device.

Free & Unlimited

No subscriptions, watermarks, or rendering limits. Create as many videos as your channel needs.

Frequently asked questions

How does the Auto Video Editor sync audio with images?

The built-in engine uses browser-based speech processing to measure audio timings and synchronizes each uploaded image with its corresponding script line.

Is there any watermark on the exported video?

No. All videos rendered with our Auto Video Editor are 100% clean with zero watermarks.

Are my audio and media files uploaded to your servers?

No. Everything runs entirely client-side using WebAssembly (FFmpeg.wasm). Your media remains completely private on your local machine.

Can I export in vertical 9:16 format for Shorts?

Yes. Simply select "Vertical 9:16" in the aspect ratio dropdown before rendering your video.
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