SI Font

SI is a sans serif font. Simple, open letter shapes keep it easy to read at almost any size, from app buttons to big headlines. You can download it for free and test it with your own words in the preview above.

SI Font Details

• Category: Sans serif font
• Font styles: 1 (Regular)
• Glyphs: 660
• Characters: A–Z, a–z, 0–9 and basic punctuation
• Languages: English, Spanish, French, German, Portuguese and Italian, plus Greek and Cyrillic characters
• Version: 1.0
• Download: Free ZIP with one font file

What You Can Type With SI

SI covers the full alphabet in upper and lowercase, plus all ten numbers, so you can set names, dates and prices without switching fonts. Common punctuation such as &, !, ? and @ is included as well. It also has the accented letters you need for Spanish, French, German, Portuguese and Italian. On top of that, it includes Greek and Cyrillic characters.

Where SI Works Best

SI is a natural fit for websites, app screens and clean logos. It works for headings and body text alike. If the download has several weights, use a heavier one for titles and a lighter one for paragraphs.

SI Font FAQs

Is SI font free to download?

Yes. You can download SI for free from this page as a ZIP file with one font file. Free to download doesn't always mean free for business use, so check the license section on this page before you use it in anything you sell.

How do I install SI on Windows or Mac?

Extract the ZIP file, then open the font file inside it. Click Install on Windows or Install Font on a Mac. Restart any app that was already open so it picks up SI.

Can I use SI in Canva?

Yes, if you have Canva Pro, Teams or another plan that allows font uploads. Go to Brand Kit, choose Upload a font, and pick the .ttf or .otf file from the ZIP. Free Canva accounts can't upload fonts.

Does SI work in Word, Photoshop and Cricut Design Space?

Yes. Once SI is installed on your computer, it shows up in Word, Photoshop, Illustrator, Cricut Design Space and most other desktop apps, right alongside your other fonts. If you don't see it, restart the app.

Does SI support accented letters?

Yes. SI includes the accented letters needed for Spanish, French, German, Portuguese and Italian, so it works for more than just English.

What fonts pair well with SI?

For more contrast, pair it with a serif like Playfair Display or Merriweather in your headings.