Free Calculators for YouTube Creators
Find a playlist's total length, see how long videos take at faster playback speeds, and check any channel's engagement rate, all free with no sign-up.
Calculate a playlist's lengthFree tools
All toolsYouTube Playlist Length Calculator
Paste a YouTube playlist link to get its total length, watch time at 1.25x–2x, average video length, any range of videos and how many days it takes to finish.
Open calculatorYouTube Playback Speed Calculator
Paste a YouTube link or enter any length to see the real watch time at 1.25x, 1.5x, 1.75x, 2x and up to 4x, plus how much time you save. Works for podcasts too.
Open calculatorYouTube Engagement Rate Calculator
Enter any YouTube @handle to see the channel's engagement rate, average views, likes and comments per video, and its best videos, based on its 50 latest uploads.
Open calculatorFont Tester
Free online font tester. Type your text and preview 500 Google Fonts side by side, with size, colour and outline controls. Search, filter and download free.
Open calculator
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About createthat.ai
createthat.ai is a collection of free tools and guides for YouTube and short-form creators, made by Matt. The calculators are free to use with no sign-up, and the guides walk through everyday editing tasks in CapCut and Clipchamp.