Drop in your raw footage. Rider Finder watches the whole video, finds every horse on screen, and saves each jump as its own ready-to-edit clip.
Three steps from raw footage to ready-to-edit clips — no manual scrubbing required.
AI scans through your footage frame by frame, looking for horses on screen.
Each time a horse appears, Rider Finder marks the start and end of that moment.
Every jump is saved as its own video file — ready to drag straight into your editing software.
You only need to do this once. It takes about 5–10 minutes.
Terminal is a text window built into every Mac. It lets you run programs by typing short commands. Don't worry — you'll only ever be pasting in the commands shown on this page.
To open it: press ⌘ Command + Space at the same time, type Terminal, then press Enter.
% symbol. That symbol means Terminal is ready and waiting for your next command.Homebrew is a free tool that helps install software on a Mac. Click Copy on the command below, paste it into Terminal, and press Enter.
Your Mac will ask for your password — this is normal and keeps your computer secure. Type it in and press Enter. You won't see the letters appear as you type, but it's working.
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
% symbol again. If Homebrew shows a "Next steps" section at the end, copy and paste those commands too, then press Enter after each one.Copy and paste this command into Terminal and press Enter. It installs the two tools Rider Finder needs to run.
brew install python ffmpeg
Copy and paste this command into Terminal and press Enter. It downloads Rider Finder straight to your Desktop — no unzipping needed.
git clone https://github.com/Schifftacular/rider-finder.git ~/Desktop/rider-finder
rider-finder appear on your Desktop. That's it — no need to move anything.Copy and paste this command into Terminal and press Enter. It installs the AI that Rider Finder uses to recognise horses in your footage.
cd ~/Desktop/rider-finder && pip3 install -r requirements.txt --break-system-packages
Once you're set up, this is all you need to do each time you have footage to process.
Press ⌘ Command + Space, type Terminal, and press Enter.
Copy and paste this command into Terminal and press Enter. This tells Terminal where to find Rider Finder.
cd ~/Desktop/rider-finder
Click Copy below and paste it into Terminal. Make sure there is a space at the very end of the command. Don't press Enter yet — you still need to add your video file.
python extract_jump_clips.py
Find your video in Finder and drag it straight onto the Terminal window. The file's location will appear automatically after the command.
python extract_jump_clips.py /Users/yourname/Movies/footage.mp4Press Enter. Rider Finder will start working through your video. You'll see progress in Terminal as it goes.
clips, saved in the same place as your original video. Each clip is named with the jump's start time so they stay in order.When a new version of Rider Finder is available, getting it takes just one command.
This downloads the latest version of Rider Finder straight to your computer, replacing only what's changed.
cd ~/Desktop/rider-finder && git pull
Already up to date. then you already have the latest version and there's nothing to do.If something isn't quite right, these small adjustments usually fix it.
Add --gap 20 to the end of the command (after your video file) to put more space between separate jumps.
Add --gap 5 to make Rider Finder treat nearby jumps as separate events.
Add --buffer 10 to include more seconds of footage before and after each jump.
Works with most camera and memory card formats: .mp4, .mov, .avi, .mkv, .mts, and more.