How Vodafone Portugal reduced time to market by using Voucherify?

Free Random Code Generator

The generated codes can be used for coupons, promotional codes, gift vouchers, serial numbers and many more.

If you need an end-to-end coupon campaign management and tracking tool, try Voucherify.


Secure & Unique Code Templates

8 safe letters or digits

  • X6RgzCXb
  • aPnRRTF8
  • AuBVwynK
  • jLZP5GMJ
  • jb5WqStj
Use this template

6 capital letters

Use this template

Giftcard / serial numbers

  • IQ24-EUZP-IUGY-935R
  • BL32-3KZ2-BLCZ-00FK
Use this template

Strong passwords

  • h.8QxI)Mh6D!H5,i
  • CrDivh)5}-CSuMv#
  • 5`#F=D7:s+N1fvxc
  • k`e/p/gtdg=*y(o*
  • 5izS]b8;-SpO0B+M
Use this template

Codes with prefix / postfix

  • EUR-KYZTQ-2021
  • EUR-NWCAO-2021
  • EUR-RCJOR-2021
  • EUR-XMAID-2021
  • EUR-TSAID-2021
Use this template

Pattern-based codes

  • FR38_SH1PP2NG_N8W
  • FR44_SH7PP6NG_N9W
  • FR51_SH5PP6NG_N4W
  • FR18_SH9PP4NG_N3W
  • FR73_SH7PP7NG_N0W
Use this template

Quick & Easy Codes Generator

Not too short, not too long

The perfect length of a coupon code is between 8-12 characters long.


Modify the codes prefix, postfix, and charset to make them relevant to the occasion.


Divide your codes into smaller parts to make them more legible.


Try out Voucherify for free to generate barcodes and QR codes.


Our random code generator ensures that all the codes are unique.


Download the codes in the PDF or CSV formats.

Do you want to create personalized promotions?

If you are looking for a complete promotion management tool, try Voucherify.

Frequently asked questions


Who is this generator for?

It's dedicated for people running marketing campaigns, using random promo codes.


How random are the codes?

The longer pattern the better. Let’s take 8 characters long strings for example:

charset = 0123456789 abcdefghijkl mnopqrstuvwxyz ABCDEFGHIJKLM NOPQRSTUVWXYZ — 63 characters. In this case there are 63⁸ = 248155780267521 possible codes. It means that if you issue a billion codes the probability of guessing a code is 10⁹/63⁸ = 0.000004… — 4 in a million.


What is the maximum amount of codes I can generate?



What generated codes can be used for?

Generated codes can be used as promo codes, voucher numbers, gift cards numbers, serial numbers, lottery numbers, strong passwords, hard to guess codes etc.


What is code prefix?

First few characters of code. It enables you to assign codes to a particular marketing campaign.


What’s the code generator?

It's a free tool for generating unique random codes using letters, digits and other marks.


What is code postfix?

Last few characters of code. Useful for reporting.


What’s a code pattern?

The way the code is made. You can define a pattern using following characters: uppercase, lowercase, digits, special characters, punctuation etc. You can also decide about the sequence. For example, you can create pronounceable codes that will be associated with slogans, brand names etc. See example below: FR38_SH1PP2NG_N8W, FR44_SH7PP6NG_N9W


Can I customize the length, prefix and pattern of codes?

Yes, these parameters are customizable.


Which characters can codes contain?

Codes can mix upper cases, lower cases, digits, special characters, punctuation and brackets.


No, you can use the generator without any registration.

Is registration required to create codes?


What is the maximum length for generated codes?

Code length is unlimited.


Is payment required to create codes?

No, the generator is free.


Can I save generated codes as CSV file?

Yes, you copy and paste it to Excel and then save as a CSV file.


I need more codes that you can generate. What should I do?

You can change one of the used parameters (e.g. code length) and run the tool again.


Do you store the generated codes?

No, we don’t store the codes after they have been generated and we don’t have a list of pre-generated codes to choose them from. They are generated at the requested time.

Imagine if your promotions run themselves