Make Beautiful Captions for TikTok & YouTube Shorts
Upload your video, customize caption styling, and burn captions directly in the browser. Powered by AI. Always free.
AI-Powered
Automatic speech recognition with Whisper AI
Customizable
Fonts, colors, shadows, and animations
100% Free
No watermarks, no limits, no hidden fees
Privacy First
Videos never leave your device
How It Works
Generate professional captions in 4 simple steps
Upload Video
Select any video file from your device. We support MP4, MOV, AVI, WebM, and most common formats.
AI Transcription
Our AI powered by OpenAI Whisper automatically converts speech to text with precise word-level timestamps.
Customize Style
Personalize your captions with custom fonts, colors, shadows, backgrounds, and word-by-word highlighting effects.
Download
Export your video with beautifully burned-in captions, ready to upload to TikTok, YouTube, or Instagram.
Live style preview
Caption Styling
Fine-tune typography, colour, and highlighting before burning captions.
Why Add Captions to Your Videos?
Video captions are no longer optional — they're essential for reaching your full audience and maximizing engagement.
85% Watch on Mute
The majority of social media videos are watched without sound. Captions ensure your message gets across whether viewers are in a quiet office, on public transport, or scrolling late at night.
40% More Views
Studies show that captioned videos receive significantly more views, longer watch times, and higher completion rates. Captions keep viewers engaged from start to finish.
Accessibility Matters
Over 466 million people worldwide have disabling hearing loss. Captions make your content accessible to deaf and hard-of-hearing viewers, expanding your potential audience.
Global Reach
Captions help non-native speakers understand your content better. With support for 90+ languages, you can reach audiences worldwide and break language barriers.
Perfect for All Social Platforms
MakeCaption is optimized for vertical video formats used by today's most popular social media platforms.
TikTok
Vertical 9:16
YouTube Shorts
Vertical 9:16
Instagram Reels
Vertical 9:16
Facebook Stories
Vertical 9:16
Snapchat
Vertical 9:16
All videos are processed entirely in your browser. Your content never leaves your device, ensuring complete privacy and security for your creative work.
Frequently Asked Questions
How does MakeCaption generate captions?▼
MakeCaption uses advanced AI transcription technology powered by Hugging Face Transformers to automatically convert speech to text. It then aligns the text with timestamps for perfect synchronization with your video.
What video formats are supported?▼
MakeCaption supports all common video formats including MP4, MOV, AVI, WebM, and more. The tool works best with vertical videos for social media platforms like TikTok, Instagram Reels, and YouTube Shorts.
Is MakeCaption free to use?▼
Yes, MakeCaption is completely free to use. There are no watermarks, no usage limits, and no hidden fees. All processing happens directly in your browser for maximum privacy and speed.
Can I customize the caption style?▼
Absolutely! You can customize font size, colors, shadows, backgrounds, animations, and more. MakeCaption offers extensive styling options to match your brand or creative vision.
Do I need to upload my video to a server?▼
No! MakeCaption processes everything directly in your browser using WebAssembly and AI models. Your videos never leave your device, ensuring complete privacy and security.
How long does it take to generate captions?▼
Processing time depends on your video length and device performance. Typically, a 1-minute video takes 30-60 seconds to transcribe and burn captions. The first use may take slightly longer as AI models are downloaded and cached.
Can I edit the generated captions?▼
Yes! After transcription, you can review and edit both the text content and timing of each caption. This ensures accuracy and lets you make adjustments before burning the captions into your video.
Which platforms work best with MakeCaption?▼
MakeCaption is optimized for vertical video platforms like TikTok, Instagram Reels, YouTube Shorts, Facebook Stories, and Snapchat. The caption styles and positioning are designed for mobile viewing and maximum engagement.
How do I add captions to TikTok videos?▼
Simply upload your TikTok video to MakeCaption, let the AI automatically transcribe it, customize the caption style to match TikTok's aesthetic, and download the video with burned-in captions. Then upload directly to TikTok - no additional editing needed.
Can I use MakeCaption for YouTube Shorts?▼
Absolutely! MakeCaption is perfect for YouTube Shorts. The tool is optimized for vertical 9:16 videos and creates captions that are easy to read on mobile devices. Export your captioned video and upload it directly to YouTube Shorts.
Does MakeCaption work for Instagram Reels?▼
Yes! MakeCaption works great for Instagram Reels. Create eye-catching captions with customizable fonts, colors, and animations that grab attention in the Instagram feed. The burned-in captions ensure your message is seen even when viewers have sound off.
What languages does the AI transcription support?▼
MakeCaption uses OpenAI's Whisper model which supports transcription in over 90 languages including English, Spanish, French, German, Portuguese, Chinese, Japanese, Korean, Arabic, Hindi, and many more. The AI automatically detects the spoken language.