Both iMovie and WeVideo are loaded with sound effects and full songs. If you want even more (provided that you give the artists credit), try these sites:

Amazing Options

     Ende.app  |   Lots of free, high-quality music. Search by genre!   No login needed

     ZapSplat  |   Songs and sound effects! Search by genre!   Login: camper1 / #SummerFun2025

     Pixabay  |   Songs and sound effects! Search by genre!  Login: camper2 / #SummerFun2025

Backup Options

     Bensound  |   Catchy songs in an easy-to-navigate format. Note: Toggle the "Free" switch!

     Freesound | Mix of ambient noises, from t-storms to dry leaves to aliens

     Soundcloud | Mix of free public domain and paid pop music

     Partners in Rhyme | Scroll down to the "Free Resources" section

     Public Domain Information Project | Free PD sheet music; audio costs $

     Musopen | From Bach to Beethoven!

     Free Music Public Domain | Broad genre variety; songs have vocals

App for any smartphone (including iPhones) that eliminates glare and auto-senses corners, saving you tons of time as you scan printed photos, magazines, ID cards, brochures, or whatever you wish!

Download. Utility that will download a YouTube video as an MP4 that you can then insert into WeVideo or iMovie — either in whole, or just a brief excerpt. Alternatively, you can download as an MP3 if you are just using the audio as background music.

Website that lets you search for and download a video clip as an MP4 that you can then insert into WeVideo or iMovie — either in whole, or, more commonly, just a 5-second excerpt.

Website that will convert a PDF to a JPEG image. (This is helpful if you scan your images as PDFs by mistake.) You can crop the image with the Photos app to focus on just the part that you want. Be careful not to click on ads.