Hooks
Video Hook Generator
Type a topic and get opening lines in seven proven formulas, each scored with its reasons. Or paste your own hook and see what to fix.
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Free tools
Free tools for short-form video
Small tools for the jobs around a TikTok, a Reel or a Short. Each one runs in your browser: no sign-up, and nothing you add is uploaded.
Scripts
Video Script Timer
Paste a script and see how long it runs when spoken, and how many words fit in 15, 30, 60 or 90 seconds. Runs in your browser.
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Safe zones
TikTok Safe Zone Checker
See what TikTok draws over your video. Drop in a video or image, check your text against the safe zone, and download the overlay as a PNG.
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Safe zones
Instagram Reels Safe Zone Checker
See what Instagram Reels draws over your video. Drop in a video or image, check your text against the safe zone, and download the overlay as a PNG.
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Safe zones
YouTube Shorts Safe Zone Checker
See what YouTube Shorts draws over your video. Drop in a video or image, check your text against the safe zone, and download the overlay as a PNG.
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Carousels
Instagram Carousel Splitter
Cut one wide picture into seamless Instagram carousel slides, square or 4:5. Choose how many, preview the cuts and download the slides. Nothing is uploaded.
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Carousels
LinkedIn Carousel PDF Maker
Turn your slides into the PDF LinkedIn shows as a carousel. Add your images, put them in order and download one PDF, a slide a page. Made in your browser.
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Subtitles
SRT to VTT Converter
Convert SRT subtitles to WebVTT for the web. Paste them or choose a file, shift the timing if you need to, and download the .vtt. Nothing is uploaded.
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Subtitles
VTT to SRT Converter
Convert WebVTT subtitles to SRT for editors and upload forms. Paste them or choose a file, shift the timing if you need to, and download the .srt.
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Subtitles
Subtitle Timing Shifter
Subtitles running early or late? Move every line by a fraction of a second, or by minutes. Works with SRT and VTT, in your browser, with nothing uploaded.
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The guides behind the tools
Carousels and posts
How to make a carousel post: a slide-by-slide structure
What goes on each slide of a carousel, how many slides to make, how much text fits, and how to get the same post onto Instagram, LinkedIn and TikTok.
The RapidCreate team8 min read
Carousels and posts
Instagram carousel size: dimensions, ratios and the 20-slide limit
The size to make Instagram carousel slides (1080 × 1350), the taller 3:4 option, what Instagram’s help pages say about ratios and cropping, and the 20-slide limit.
The RapidCreate team4 min read
Carousels and posts
How to make a seamless carousel on Instagram
How a seamless, or panorama, carousel works, the picture size each number of slides needs, where to put the cuts, and a free tool that splits your image.
The RapidCreate team5 min read
