UPC Barcode Generator
UPC-E Barcode Generator
EAN Barcode Generator
EAN-8 Barcode Generator
CODE-39 Barcode Generator
CODE-93 Barcode Generator
CODABAR Barcode Generator
ITF-6 Barcode Generator
ITF-14 Barcode Generator
QR-Code Generator
Data Matrix Generator
GS1 Data Matrix Generator
Use from a PHP script:
include 'barcode.php';
$generator = new barcode_generator();
/* Output directly to standard output. */
$generator->output_image($format, $symbology, $data, $options);
/* Create bitmap image. */
$image = $generator->render_image($symbology, $data, $options);
imagepng($image);
imagedestroy($image);
/* Generate SVG markup. */
$svg = $generator->render_svg($symbology, $data, $options);
echo $svg;
Use with GET or POST:
barcode.php?f={format}&s={symbology}&d={data}&{options}
e.g.
barcode.php?f=png&s=upc-e&d=06543217
barcode.php?f=svg&s=qr&d=HELLO%20WORLD&sf=8&ms=r&md=0.8
f
- Format. One of:
png
gif
jpeg
svg
s
- Symbology (type of barcode). One of:
upc-a code-39 qr dmtx
upc-e code-39-ascii qr-l dmtx-s
ean-8 code-93 qr-m dmtx-r
ean-13 code-93-ascii qr-q gs1-dmtx
ean-13-pad code-128 qr-h gs1-dmtx-s
ean-13-nopad codabar gs1-dmtx-r
ean-128 itf
d
- Data. For UPC or EAN, use *
for missing digit. For Codabar, use ABCD
or ENT*
for start and stop characters. For QR, encode in Shift-JIS for kanji mode.
w
- Width of image. Overrides sf
or sx
.
h
- Height of image. Overrides sf
or sy
.
sf
- Scale factor. Default is 1 for linear barcodes or 4 for matrix barcodes.
sx
- Horizontal scale factor. Overrides sf
.
sy
- Vertical scale factor. Overrides sf
.
p
- Padding. Default is 10 for linear barcodes or 0 for matrix barcodes.
pv
- Top and bottom padding. Default is value of p
.
ph
- Left and right padding. Default is value of p
.
pt
- Top padding. Default is value of pv
.
pl
- Left padding. Default is value of ph
.
pr
- Right padding. Default is value of ph
.
pb
- Bottom padding. Default is value of pv
.
bc
- Background color in #RRGGBB
format.
cs
- Color of spaces in #RRGGBB
format.
cm
- Color of modules in #RRGGBB
format.
tc
- Text color in #RRGGBB
format. Applies to linear barcodes only.
tf
- Text font for SVG output. Default is monospace. Applies to linear barcodes only.
ts
- Text size. For SVG output, this is in points and the default is 10. For PNG, GIF, or JPEG output, this is the GD library built-in font number from 1 to 5 and the default is 1. Applies to linear barcodes only.
th
- Distance from text baseline to bottom of modules. Default is 10. Applies to linear barcodes only.
ms
- Module shape. One of: s
for square, r
for round, or x
for X-shaped. Default is s
. Applies to matrix barcodes only.
md
- Module density. A number between 0 and 1. Default is 1. Applies to matrix barcodes only.
wq
- Width of quiet area units. Default is 1. Use 0 to suppress quiet area.
wm
- Width of narrow modules and spaces. Default is 1.
ww
- Width of wide modules and spaces. Applies to Code 39, Codabar, and ITF only. Default is 3.
wn
- Width of narrow space between characters. Applies to Code 39 and Codabar only. Default is 1.