Free · No sign-up · No watermarks
Free tools that help YouTubers publish better videos
Download and preview thumbnails, score your titles, and price your brand deals — everything runs in your browser, nothing gets uploaded.
The tools
Thumbnail Downloader
Grab the thumbnail of any YouTube video in every available resolution — HD included.
Open tool →🔍Thumbnail Tester
See your thumbnail exactly as viewers will — in the home feed, search results, sidebar, and on mobile.
Open tool →✍️Title Analyzer
Score your video title before you publish — length, truncation, power words, and keyword placement.
Open tool →💰Sponsorship Calculator
Find out what brands should actually pay you — based on your views, niche, and placement type.
Open tool →🏷️Tag Extractor
See the exact tags any YouTube video uses — study what's working in your niche.
Open tool →💵Money Calculator
Estimate how much a YouTube channel earns from ads — by views, niche, and RPM.
Open tool →📜Transcript Extractor
Get the full transcript of any YouTube video — with timestamps, in any available language.
Open tool →🔔Subscribe Link
Create a link that opens your channel with a one-click subscribe confirmation popup.
Open tool →⏱️Watch Time
Track your progress toward the 4,000 watch hours YouTube requires for monetization.
Open tool →🎁Comment Picker
Pick a fair random winner from your video's comments — perfect for giveaways.
Open tool →📈Channel Analyzer
Find any channel's permanent ID, subscriber count and video count from its handle or URL.
Open tool →🤖AI Titles
Describe your video and get 10 click-worthy title options — each scored by our analyzer.
Open tool →📑Chapters
Turn any video or transcript into timestamped chapters, ready to paste into your description.
Open tool →Coming soon
AI Description Writer
SEO-friendly descriptions from your title and chapters.
Shorts Safe-Zone Checker
See where YouTube's UI covers your vertical video.
Channel Dashboard
Simple, actionable analytics for small channels.
New tools ship regularly
Be the first to try them — one short email when something new lands, no spam, unsubscribe anytime.
Why is TubeToolbelt free?
Creators already juggle half a dozen subscriptions. The everyday utilities — grabbing a thumbnail, sanity-checking a title, pricing a sponsorship — shouldn't cost anything. Every tool here runs entirely in your browser: no account, no upload, no watermark, and your files and links never touch our servers.