v0.1.6 Free for Mac and Windows

The typos nothing else can see.

SansTypo checks what you type in any app, and the words a spell checker can’t reach: slides, designs, PDFs and screenshots. On your own computer.

Free · No account · Nothing uploaded

Budget draft SansTypo is checking
Checked right here, in this tab. Type over it. 4 issues found

Works wherever you write

  • Mail
  • Slack
  • Notes
  • Word
  • Google Docs
  • Notion
  • Figma
  • Keynote
  • Photoshop
  • any web page

Spell check stops at the text box. SansTypo doesn’t.

It works the same way in every app, catches wording slips as well as spelling, and reads the text a spell checker can’t reach.

Mistakes get a wavy underline while you write: red for spelling, blue for wording. Point at one and a card offers the fix, and ⌃⌘↩ accepts it.

Press ⌃⌘P (Ctrl+Alt+P on Windows) and drag over any text on screen: a Keynote deck, a Figma frame, a screenshot someone sent you. SansTypo reads the pixels and marks what it finds.

The extension puts the marks inside the page. In an AI chat box, Enhance tidies the prompt you wrote before you send it, and ⌘Z puts your own words back.

Nothing you write leaves your computer.

SansTypo checks where you type, on your own computer. There is no SansTypo server, so there is nowhere else for your text to go. Read the privacy policy

Checked where you type

Your text goes from where you type to SansTypo, on the same computer, and the fix comes back. That is the whole trip.

  • No account
  • Password fields never read
  • Private windows skipped

Built on what your Mac already has

Spelling comes from the dictionaries macOS has, in over 40 languages, and text in pictures is read by your Mac’s own text recognition. English on Windows, for now.

  • How many fixes, and when Kept
  • Which apps they were in Kept
  • What you wrote Never

Keeps counts, never words

The app’s Overview shows what it fixed and where. The words themselves stay in memory, and are gone when SansTypo quits.

Try it on a file, right here.

Drop a PDF or a Word file. It is checked in this tab, by the same engine as the app: the file never leaves your computer.

Your file

Nothing to hand? Try a sample with real mistakes in it.

Your file is read in this tab. Nothing is uploaded.

How can I tell?

Open your browser’s network panel while it checks. Nothing leaves. The page fetches the checker from this site once, about 0.8 MB, and the file never goes to anything.

It checks English spelling and 11 wording rules. It does not check style, tone or facts, and it is not AI. The app on your computer does more.

Questions, answered.

Anything else is on the support page.

Is it free?

Yes. There is nothing to buy and no account.

Does it send my text anywhere?

No. SansTypo checks your writing on your own computer. There is no SansTypo server, so there is nowhere for your text to go.

Which languages?

On a Mac, the languages macOS has dictionaries for — over 40. On Windows, English for now.

Does it work in my browser?

Yes, the app checks text fields in any browser. The extension makes it better: marks sit inside the page and scroll with it.

What does it need permission for on a Mac?

Accessibility, to read the field you’re typing in. Screen Recording only if you want it to read text in pictures. It asks for each, and says why, the first time.

How is it different from the spell checker I have?

It works the same way in every app, it catches wording slips as well as spelling, and it reads text a spell checker can’t: slides, designs, PDFs and screenshots.

Find the typo you missed.

Free, for Mac and Windows. No account, nothing to buy.

And in your browser Add to Chrome Add to Firefox

macOS 12+ on Apple silicon, notarised by Apple · Windows 10 and 11

SansTypo

Proofreading on your own computer.

macOS 12+ on Apple silicon, notarised by Apple / Windows 10 and 11

Free · No account · Nothing uploaded SansTypo 0.1.6

Mac and macOS are trademarks of Apple Inc., registered in the U.S. and other countries and regions. Windows is a trademark of the Microsoft group of companies. Google Chrome is a trademark of Google LLC. Firefox is a trademark of the Mozilla Foundation in the U.S. and other countries. Adobe, Creative Cloud, Photoshop and InDesign are either registered trademarks or trademarks of Adobe in the United States and/or other countries. SansTypo is not affiliated with or endorsed by any of them.