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Free for Commercial Use

Slab Square Siki 8 is a bold, wide, low contrast, upright, normal x-height font visually similar to 'Jolly Good Proper Serif' and 'JollyGood Serif' by Letradora (names referenced only for comparison).

Keywords: headlines, posters, packaging, signage, logos, industrial, playful, vintage, rugged, friendly, display impact, signage feel, vintage flavor, approachable strength, brand presence, chunky, bracketed, ink-trap feel, soft corners, sturdy.


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A stout slab serif with heavy, block-like serifs and minimal stroke modulation. Letterforms are broad and generously proportioned, with slightly soft corners and subtle irregularities that keep the texture from feeling purely mechanical. Serifs read as mostly square and robust, with a lightly bracketed feel in places, and counters remain fairly open despite the weight. The overall rhythm is emphatic and dense, built for strong silhouettes and high impact at display sizes.

Well-suited for headlines, posters, and branding where a strong slab-serif voice is needed. It can work effectively for packaging and signage thanks to its sturdy shapes and clear silhouettes, and it also lends itself to logo wordmarks that want a vintage-industrial or handcrafted edge.

The tone blends vintage poster energy with an industrial, workmanlike sturdiness. Its chunky slabs and slightly bouncy, imperfect details give it a friendly, approachable character rather than a strictly formal one, suggesting classic signage and bold editorial headlines.

The design appears intended to deliver maximum impact through wide proportions, heavy slabs, and simple, low-contrast construction. Its slightly softened geometry and mild irregularity suggest an aim to feel both sturdy and personable—evoking traditional display printing and bold sign lettering rather than a sleek contemporary slab.

Numbers and lowercase share the same confident, blocky construction, creating a cohesive page color in text samples. The heavy serifs and compact joins can start to close up in smaller settings, so it reads best when given space through size, tracking, or shorter line lengths.

120px
108px
96px
84px
72px
64px
56px
48px
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8px
Letter — Basic Uppercase Latin
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Letter — Basic Lowercase Latin
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Number — Decimal Digit
0
1
2
3
4
5
6
7
8
9
Letter — Extended Uppercase Latin
À
Á
Â
Ã
Ä
Å
Æ
Ç
È
É
Ê
Ë
Ì
Í
Î
Ï
Ñ
Ò
Ó
Ô
Õ
Ö
Ø
Ù
Ú
Û
Ü
Ý
Ć
Č
Đ
Ė
Ę
Ě
Ğ
Į
İ
Ľ
Ł
Ń
Ő
Œ
Ś
Ş
Š
Ū
Ű
Ų
Ŵ
Ŷ
Ÿ
Ź
Ž
Letter — Extended Lowercase Latin
ß
à
á
â
ã
ä
å
æ
ç
è
é
ê
ë
ì
í
î
ï
ñ
ò
ó
ô
õ
ö
ø
ù
ú
û
ü
ý
ÿ
ć
č
đ
ė
ę
ě
ğ
į
ı
ľ
ł
ń
ő
œ
ś
ş
š
ū
ű
ų
ŵ
ŷ
ź
ž
Letter — Superscript Latin
ª
º
Number — Superscript
¹
²
³
Number — Fraction
½
¼
¾
Punctuation
!
#
*
,
.
/
:
;
?
\
¡
·
¿
Punctuation — Quote
"
'
«
»
Punctuation — Parenthesis
(
)
[
]
{
}
Punctuation — Dash
-
_
Symbol
&
@
|
¦
§
©
®
°
Symbol — Currency
$
¢
£
¤
¥
Symbol — Math
%
+
<
=
>
~
¬
±
^
µ
×
÷
Diacritics
`
´
¯
¨
¸