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Antinote: a smart Mac notepad that can calculate
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In everyday work, we often run into: a result calculated on the fly, an error message just copied, a to-do that suddenly comes up in a meeting.
They matter at the moment, but using Notion or Obsidian to record them feels too heavy—you have to come up with a title and choose where to put them.
LIZHI.SHOP's recently launched Antinote is a Mac smart notepad designed for these situations, focused on jotting things down and discarding content after use.
It can be summoned at any time with a global keyboard shortcut, includes calculation, conversion, to-dos, screenshot-to-text, and other features, and can also automatically collect clipboard content and export it with one click for archiving.
A global keyboard shortcut, always within reach
Antinote can be summoned via the Dock / menu bar icon or the keyboard shortcut ⌥ + A for quick notes.
When you need to keep an eye on it, you can keep the note window on top, then hide it when you're done.
When you paste content, it automatically removes extra formatting and indentation, leaving only clean plain text.
It doesn't aim for organization or categorization; jot it down and go, and clear out whatever you don't need.
Real-time calculation and unit conversion
Write equations directly in the note, and the result appears in real time; change a number, and the result updates automatically.
You can also write equations with descriptions, so you can see at a glance what each number represents.
For common units such as length and weight, enter a number, a unit, and an equals sign to get the converted result.
Exchange rate conversion is also supported, so you don't have to open a calculator and a web page when checking bills for overseas purchases.
Calculating discounts and comparing unit prices can also be done in the same note.
Auto-paste, no more switching back and forth
After turning on auto-paste, the text you copy is automatically saved to the note.
When researching, just keep copying from web pages—no more Cmd + Tab back and forth between windows.
All content is collected in order in the same note, so your train of thought won't be interrupted.
Once you've gathered your material, you can trim and organize it all at once—far more efficient than pasting one item at a time manually.
It's also especially handy for programmers who need to stash code snippets, commands, and error messages.
To-do lists and screenshot-to-text
Write a list in the note, then check items off one by one—temporary tasks are easy to manage on the fly.
To-dos noted during a meeting can be checked off afterward as completed.
Drag a screenshot or image directly into the note, and Antinote automatically recognizes and extracts the text.
Content from web page screenshots, photos of slides, and chat logs can quickly become editable text.
No need to open another OCR tool just for a few lines of text.
One-click export to build long-term assets
The truly valuable parts of temporary notes can be exported and saved with one click.
It supports exporting to Markdown, PDF, and other formats, so useful content won't be wasted.
You can also send it directly to note-taking apps such as Obsidian and connect it to your existing knowledge base.
After a meeting, you can archive everything in seconds—no more manual copying, pasting, and organizing.
Antinote handles quick capture, while your main notes handle long-term retention—the two work perfectly together.
Custom themes and extensions that get handier over time
Antinote includes 10+ themes and supports native translucency and graph paper backgrounds, so you can reskin it to your liking.
The official website offers a Theme Maker tool, so you can create your own color scheme without writing code, and you can directly install themes shared by other users in the community.
Keyboard shortcuts and trigger keywords can both be customized to better fit your habits.
There's also an official extensions page; install extensions to get more features and turn the notepad into an even handier tool.
Final thoughts
That's Antinote. It's light, handy, and unobtrusive—a capable little helper for Mac users' everyday note-taking.
With a one-time purchase, you get lifetime use and updates, so temporary ideas always have a place to go.
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