how it all works
The guides
One guide per tool, kept up to date as the tool changes.
Draw
A full tour of Draw, the hand-drawn whiteboard on oscarritzen.com: every tool, shortcut, export, share link, comment and AI helper, and what the free version gives you.
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Invoices
How Invoices on oscarritzen.com works: make a free PDF invoice in your browser in a minute, or go Premium to keep every invoice, number them in series and mark them paid.
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Notes
A tour of the Notes tool in OScar: notes that autosave, groups and folders in the sidebar, pins, colours and every drag along the way.
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Documents
Everything the Documents tool in OScar can do: uploads, groups and folders, previews, versions, search that reads inside your files, and sharing.
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Photos
How the Photos tool in OScar works: groups and folders, favorites, albums, the lightbox with zoom and swipe, camera details and sharing.
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Calendar
How the OScar Calendar works today: the month view, repeating events, categories and colours, and the home-page card where a double-tap adds an event and a long press shows the day.
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Budget
A tour of the Budget in OScar: the one-line quick-add on your home page, categories with monthly budgets, a six-month chart, and recurring income and expenses that add up to your monthly balance.
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Phonebook
How the Phonebook in OScar works: an alphabetical list with a letter rail, search across names, numbers and emails, one-tap Call, Text and Map links, and birthdays that know how old people are turning.
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Vault
How the Vault in OScar keeps passwords, codes and files end-to-end encrypted behind a master passphrase only you know, and everything you can do once it is unlocked.
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Translate
How Translate in OScar works: paste any text, pick one of twelve languages, and get a natural translation that keeps your tone and line breaks. Nothing you translate is stored.
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Checklist
How Checklist in OScar works: lists for groceries, packing and chores, invites by email, live ticks, colours, drag to reorder, and share links that work without an account.
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