Free tools
Numbers you can check yourself
No account, no email, nothing saved. Every one of them runs in your browser, and each shows the arithmetic rather than asking you to trust it.
Royalty split calculator
Check a split sheet adds up to exactly 100%, on either the 100% or 200% basis, then see what each person is owed to the cent.
Open itSync licence rate estimator
What a sync fee tends to land at for a given use, term, territory and exclusivity — as a range, because that is all anyone honestly has.
Open itISRC and metadata checker
Validate an ISRC, ISWC or UPC offline, and work through the delivery metadata that decides whether a track is findable and payable.
Open itAlt text writer and checker
Turn a few answers into alt text that follows the rules, or paste alt text you already have and see what is wrong with it.
Open it