Some "no-account" tools like Hyper Notepad save notes to a specific link that must be bookmarked to access later.
If you were logged into a service like Evernote or Google Keep, the note might be synced to your account. Note 10/8/2022 8:41:02 AM - Online Notepad
Do you remember you used, or are you trying to recover a lost note ? Google Keep: Online Notes and Digital Notebook Lists Google Keep: Online Notes and Digital Notebook Lists. Google Workspace Online Notepad - Take Notes and Share Notes Online Some "no-account" tools like Hyper Notepad save notes