Free tools
Free tools for video ads.
Eleven small tools we use when we make ads. They run in your browser, so your files never leave your device, and there is nothing to sign up for.
Write and shoot
Ad Hook Generator
Turn a product, audience, pain and benefit into twelve hook lines across proven formulas.
Use free tool → Free · In your browser · No signupUGC Script Generator
Turn a product, pain and offer into three beat-by-beat UGC scripts with on-screen text and shot notes.
Use free tool → Free · In your browser · No signupUGC Setup Check
Test your camera, mic level, room noise and exposure, with a 9:16 framing guide and a teleprompter.
Use free tool →Edit and export
Ad Aspect Ratio Resizer
One video in, four ad sizes out: 9:16, 4:5, 1:1 and 16:9, with centre crop, blur fill or face-aware crop.
Use free tool → Free · In your browser · No signupAd Video Compressor
Resize and re-encode a video to a Meta, TikTok or Shorts preset, with PASS/FAIL checks.
Use free tool → Free · In your browser · No signupAd Safe Zone Checker
See exactly where Reels, TikTok, Shorts and Stories cover your video.
Use free tool → Free · In your browser · No signupAuto Captions (SRT)
Transcribe a clip with Whisper in your browser and download an SRT, with a caption preview.
Use free tool → Free · In your browser · No signupVideo to GIF, WebP and Frame Grabber
Turn a clip into a GIF or a much smaller animated WebP, or grab any frame as a full-resolution PNG.
Use free tool → Free · In your browser · No signupYouTube Thumbnail Preview
See your thumbnail and title in mockups of home, search, mobile and suggested videos, light and dark.
Use free tool →Measure and plan
Hook Rate Calculator
Enter impressions, 3-second plays and clicks to get hook rate, hold rate, CTR, CPM and CPC.
Use free tool → Free · In your browser · No signupAd Creative Testing Calculator
Budget, target CPA and order value in; creatives to test, spend per creative and days to a read out.
Use free tool →Your files never leave your device. This tool runs entirely in your browser: nothing is uploaded, stored or sent to a server. Nothing here is a trial: the tools are free to use as often as you like.
Want the ads made for you?
The Ad Test Pack is five creator-style video ads with five different hooks, for $490. We write, produce and check them.