Sans serif · Markus Popp

Simplex Sans

Q: Is Simplex Sans free for commercial use?

Yes. Simplex Sans is under the SIL Open Font License 1.1, which allows commercial use at any scale, logos, websites, apps and PDFs included.

Your words – they follow you round the site

Case

Size72 px

Weight400 RegularThe only weight it comes in

Letter spacing0 em

Line height1.10

Find the font. Find its kind.

CSSfont-family: 'Simplex Sans', sans-serif; font-weight: 400; font-style: normal; line-height: 1.1;

Simplex Sans is a free sans serif by Markus Popp, from its maker’s repository on GitHub. Among the 697 sans serifs on FontKind, Simplex Sans has an average x-height, is narrower than 82% and, at its regular weight, is darker than 71%. Its thickest strokes are 1.0 times its thinnest: nearly even strokes.

Compare with Akshar →Compare with another font

01 / Light table

Laid on top of Akshar

Simplex Sans on one light table with its two closest fonts, Akshar (89 out of 100) and Mohave (87). Akshar is 11% heavier; Mohave is 5% narrower and 9% lighter, with an x-height 6% taller.

Layout

Letters

Show

Size auto

Ink shared with Simplex SansAkshar…

Most different letters first; the figure is the share of ink the fonts have in common. Where the fonts agree the letters cancel to black: every white sliver is a real difference.

Open in the compare tool →

02 / Letters

The Simplex Sans alphabet

Capitals, lowercase, figures and signs · weight 400

Tap the letters you like, here and in other fonts, to find the fonts whose letters look most like them.

&
?
!
@
%
(
)

03 / Sizes

Simplex Sans at every size

1 weight (400) · six sizes, in your words

12 px
16 px
24 px
36 px
48 px
72 px

04 / Facts

Who made Simplex Sans, and can you use it?

Designer: Markus Popp
Kind: Sans serif
Styles: 1 weight (400)
From: GitHub
Character sets: latin
Licence: SIL Open Font License 1.1

Can I use it?

Commercial use: Yes.
Logos: Yes.
Websites and apps: Yes. Self-hosted.
PDFs and documents: Yes.
Changes: Yes.
Sharing the files: Yes, but not for sale. With the licence.

Simplex Sans is under the SIL Open Font License 1.1. This is a plain summary, not legal advice: the licence itself decides.

What each licence allows →

Read the licence

Its licence file, in its repository

Already in your apps?

Google Docs: Not verified. Docs adds Google Fonts, and Simplex Sans comes from its maker’s repository on GitHub. Google’s guide
Word, PowerPoint: Not verified. Install it from its maker’s repository on GitHub first. Microsoft’s list
Figma: Not verified. Search its font menu, or install it. Figma’s help
Canva: Not verified. Search its font menu for Simplex Sans, or upload it with Canva Pro. Canva’s help
Cricut: Once installed. Design Space lists Simplex Sans under System. Fonts for Cricut →

From each app’s own font list or help pages.

How each app gets its fonts →

Get Simplex Sans on GitHub

05 / Measurements

Simplex Sans, measured

Taken from the font file's own outlines, regular style

Hxgp in Simplex Sans. Lines at the measured heights, as a share of the em · The parts of a letter, named

x-height: 51.2% of the emlowercase x
Cap height: 76.8% of the emcapitals
x / cap: 0.67lowercase against capitals
Width: 44.2% of the emaverage lowercase
Ink: 46%letter box filled
Contrast: 1.00 : 1nearly even strokes

How we measure →

Where it stands among sans serifs

Ranked against all 697 sans serifs on FontKind

x-heightNear the middle of sans serifs
WidthNarrower than 82% of sans serifs
InkDarker than 71% of sans serifs
ContrastMore even than 89% of sans serifs

06 / Similar fonts

Fonts similar to Simplex Sans

Matched letter by letter · its own family apart

All 100 fonts similar to Simplex Sans →Compare side by side →Get Simplex Sans on GitHub

07 / Swap

Swap Simplex Sans without a jump

Running text within 3% of the width, x-height within 5%

Fallback while it loads

Until Simplex Sans loads, this sets Arial in its place at 98.2% of its size, so running text keeps Simplex Sans’s width and lines keep their height: nothing moves when it arrives.

@font-face {
  font-family: 'Simplex Sans Fallback';
  src: local('Arial');
  size-adjust: 98.19%;
  ascent-override: 101.17%;
  descent-override: 21.04%;
  line-gap-override: 0.00%;
}

font-family: 'Simplex Sans', 'Simplex Sans Fallback', sans-serif;

08 / Questions

Questions about Simplex Sans

Answered from its licence, GitHub and each app’s own font list

Is Simplex Sans free for commercial use?

Yes. Simplex Sans is under the SIL Open Font License 1.1 , which allows commercial use at any scale, logos, websites, apps and PDFs included.

How do I download and install Simplex Sans?

Simplex Sans comes free from its maker’s repository on GitHub . On its repository there, choose Code, then Download ZIP, and unzip the file: the fonts are in its fonts folder. On Windows or a Mac, double-click each TTF or OTF file and choose Install, then restart any app that was open. The web fonts this page uses load from its repository, through jsDelivr, as does its licence file .

Is Simplex Sans in Google Docs?

Probably not: the More fonts list in Docs draws on Google Fonts, and Simplex Sans comes from its maker’s repository on GitHub. Docs can’t add a font of your own, so set it in an app on your computer, such as Word, instead.

How many weights does Simplex Sans have?

Simplex Sans comes in one weight, Regular (400). Ask for bold and most apps thicken the letters themselves: a faux bold, not a drawn one.

Who designed Simplex Sans?

Simplex Sans was designed by Markus Popp.

What fonts are similar to Simplex Sans?

The closest in our letter-by-letter match are Akshar (89), Mohave (87) and Kanalisirung (85), out of 100. Next to Simplex Sans, Akshar is 11% heavier. See all 100 fonts like Simplex Sans.