Barcode.Ruby — All-in-One
Pure Ruby barcode library — 18 barcode types
Ruby + Sinatra
Barcode Settings
Type
Width
Height
Data
Show Text
Even Spacing
X
Y
Font Size
Bar Color
Background
Transparent BG
Extended Guard Bars
Show Start/Stop
PNG (Base64)
SVG
PDF
Canvas
Generate
Type-Specific Settings
Error Correction
L (7%)
M (15%)
Q (25%)
H (30%)
Version (0=Auto)
Symbol Size
Auto
10x10
12x12
14x14
16x16
18x18
20x20
22x22
24x24
26x26
32x32
36x36
40x40
44x44
48x48
52x52
64x64
72x72
80x80
88x88
96x96
104x104
120x120
132x132
144x144
8x18
8x32
12x26
12x36
16x36
16x48
Error Level (-1=Auto)
Columns (0=Auto)
Rows (0=Auto)
Aspect Ratio
0.5
1.0
2.0
Symbol Type
Omnidirectional
Stacked
Stacked Omnidirectional
Symbol Type
Unstacked
Stacked
Columns
No type-specific settings for this barcode type.
Ruby Code
Preview
PNG
Select a barcode type and click Generate