General Information

About Barcodes
What exactly barcodes are and what their use is.

How barcodes work
How the lines become numbers (in simple words).

How you are going to obtain an EAN 13 code
If you have a business and you want to put barcodes on your products.

How you can obtain ISBN / ISSN:
If you are editor and you want to obtain an ISBN or ISSN number.

Kinds and specifications
Barcodes are not all the same. Different kinds and their specifiacations.

Colors and Contrast
Can we print a barcode any color we want? What colors are acceptable?

What to be aware of
Some of the things you need to take serious about barcodes.

The Check Digit
An easy Check digit calculator for the EAN8, EAN 13, and ITF14 codes.