About UCreatorKit
Our Mission
UCreatorKit was built with one goal: to give every YouTube creator access to professional-grade tools without paying a cent. Whether you're a beginner starting your first channel or an experienced creator managing multiple videos, our toolkit helps you work smarter and faster.
We believe that great tools shouldn't be locked behind expensive subscriptions. That's why UCreatorKit's core tools are free to use, require no registration, and support 30 languages to serve creators worldwide.
Our Tools
Each tool is designed to solve a specific problem that YouTube creators face daily:
Subtitle Extractor
Extract subtitles from any YouTube video in SRT, TXT, or VTT format. Supports multiple languages and auto-generated captions.
AI Video Summary
Get an AI-generated summary of any video, including key points and keywords. Perfect for research and content planning.
Thumbnail Downloader
Download video thumbnails in all available resolutions, from SD to MaxRes quality.
Tag Generator
Generate SEO-optimized tags, short-tail keywords, long-tail keywords, and hashtags for your videos.
Title CTR Analyzer
Score your video title's click-through potential with AI analysis, get improvement suggestions and CTR optimization tips.
Channel Analytics
View any channel's public statistics including subscriber count, video count, average views, and recent video performance.
Subtitle Translator
Translate video subtitles into any of 30 supported languages using AI, displayed side-by-side with the original text.
Chapter Generator
Automatically generate timestamped chapters for your videos using AI analysis. Copy-paste ready for YouTube descriptions.
Technology
UCreatorKit is built with modern web technologies to ensure fast, reliable performance:
- Frontend — Lightweight, dependency-free HTML/CSS/JavaScript for instant load times
- Backend — Python FastAPI for high-performance API processing
- AI Engine — Anthropic's Claude for intelligent content analysis, summarization, and translation
- Hosting — Vercel (frontend) and Railway (backend) for global edge delivery and reliability
Supported Languages
Our tools support 30 languages for subtitle extraction and translation, making it the most multilingual free YouTube toolkit available:
English, Korean, Japanese, Chinese (Simplified), Chinese (Traditional), Spanish, French, German, Portuguese (BR), Portuguese (EU), Russian, Arabic, Hindi, Italian, Dutch, Polish, Turkish, Indonesian, Malay, Thai, Vietnamese, Swedish, Danish, Finnish, Norwegian, Czech, Romanian, Hungarian, Ukrainian, Persian
Frequently Asked Questions
Is UCreatorKit really free?
Yes, all 8 core tools are free to use with no account required. We support the service through advertising. Some premium features may be introduced in the future, but the core tools will remain accessible.
Do I need to create an account?
No. UCreatorKit requires no registration, login, or personal information. Just paste a YouTube URL and start using the tools immediately.
Is it safe to use?
Absolutely. We don't store your data, don't require personal information, and all communications are encrypted with HTTPS. Read our Privacy Policy for details.
Why do some videos show errors?
Some videos may have subtitles disabled by the creator, or YouTube may temporarily rate-limit requests. If you encounter an error, try again after a few moments or try a different video.
Can I use the extracted subtitles commercially?
The subtitles belong to the original video creator. Please respect copyright and YouTube's Terms of Service. We recommend using extracted content for personal use, accessibility, or with the creator's permission.
How accurate are the AI features?
Our AI features use Anthropic's Claude, one of the most advanced language models available. While results are generally high quality, AI outputs should be reviewed before use, especially for translations and summaries of specialized content.
Contact Us
We value your feedback! If you have questions, suggestions, bug reports, or partnership inquiries, please reach out:
General inquiries: contact@ucreatorkit.com
Bug reports: GitHub Issues
Advertising: ads@ucreatorkit.com
Legal
Please review our legal documents for complete information about using UCreatorKit:
- Privacy Policy — How we handle your data
- Terms of Service — Rules for using the Service