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Home/Caption Maker

Auto-Generate YouTube Captions in Seconds

95%+ accuracy captions with AI. 15 style presets, word-level sync, render optimized for social media.

Drag & drop your video

or click to select · MP4, MOV, WebM · max 500 MB

Start free, no credit card required.

95%+
Accuracy Rate
15
Style Presets
40+
Languages Supported
5min
Average Render
How It Works

Add Automatic Captions to YouTube Videos in 3 Steps

01

Upload Video

Drag and drop your MP4, MOV, or WebM file. Max 500 MB.

02

Choose Style

Pick the best preset for your brand from 15 options with a single click.

03

Download & Share

Your captioned video is rendered as MP4, download and upload directly to social media.

Capabilities

Everything Your YouTube Channel Needs

Word-Level Sync

Every word precisely timestamped with AI

15 Style Presets

Classic, neon, pill, cinema, minimalist and more

Multi-Language

Automatic detection and transcription in 40+ languages

Ready-to-Use Video

MP4 file with captions burned in, upload directly

Studio Render

Professional-grade subtitle rendering engine

Fast Processing

Cloud-based GPUs for faster-than-realtime rendering

FAQ

YouTube Caption Maker FAQ

Thanks to the AI Multilingual model, it supports Turkish, English, German, Spanish, French, Italian, Portuguese, Japanese, Korean and more, over 40 languages in total. Video language is detected automatically.

There are 15 ready-made style presets: classic, bold outline, yellow highlight, red/black/blue/purple/green pill, neon yellow/cyan, pink, minimalist, cinematic. Each is optimized for different social media formats.

Currently supports files up to 500 MB. This is roughly equivalent to 10-15 minutes of 1080p video. Support for longer content is coming soon.

You receive an MP4 file with the captions professionally rendered and burned in. You can upload it directly to YouTube, Instagram, TikTok, or LinkedIn.

AI provides start and end timestamps for each word with tenth-of-a-second precision. This enables karaoke-style word-by-word highlighted captions.

Yes, you can process a limited number of videos per month on the free plan. Upgrade to the Pro plan for higher limits.

Other Tools

More YouTube Video Tools

Shorts Maker

Create vertical shorts from long videos

SEO Wizard

Generate titles, descriptions & chapters

Thumbnail Maker

Design AI-powered thumbnails

Get your first captioned video ready in 5 minutes

Start free, no credit card required.

Try Caption Maker
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