Dev tools · alternatives · 2026

22 alternatives to Sayaes AES-based promo code generator

Below are 22 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Sayaes AES-based promo code generator launched in 2019; newer entries below may have overtaken it.

1. 1
   AI Powered QR Code Generator▲100

   Generate AI QR codes for free

   2023 · qrcode-ai.com · its alternatives →

2. 2TN
   The NSA Product Generator▲6

   2013 · ternus.github.io · its alternatives →

3. 3
   Free random code generator by codito.io▲9

   I built a free online tool for generating large batches of unique random codes - up to 250,000 per generation (roughly 2.5M/hour). It's designed for cases like: - custom discount/voucher codes - giveaway or lottery tickets - product serial numbers printed on packaging - one-time passwords or secure tokens - bulk fake/test data - random strings You control: - quantity (up to 250k per batch) - length (up to 40 chars + optional prefix/suffix) - exact character sets (letters, digits, symbols, Unicode/emojis) - precise position rules (e.g. letters in positions 1-3, digits…

   Jan 2026 · codito.io · its alternatives →

4. 4FD
   Free dynamic QR Code generator with short URL. No ads▲5

   2021 · qrlink.io · its alternatives →

5. 5FQ
   Fastest QR Code Generator?▲7

   2021 · qrosscodes.com · its alternatives →

6. 6MJ
   Machinomy, JavaScript library for micropayments in Ether over HTTP▲9

   2017 · machinomy.com · its alternatives →

7. 7
   Voucherify▲5

   Random code generator

   2016 · voucherify.io · its alternatives →

8. 8
   DPG – A deterministic password generator▲7

   2017 · github.com · its alternatives →

9. 9
   EasyQR▲11

   Free AI-Powered QR Code Generator

   2025 · easyqrs.net · its alternatives →

10. 10IA
    Inspecode: An automatic code review and code correction service▲6

    2017 · rocro.com · its alternatives →

11. 11OP
    Open Proofs: An Open Source Badge Standard Using ERC 721 (NFTs)▲5

    2018 · medium.com · its alternatives →

12. 12MC
    Mobile consumable HackerNews cards▲8

    2016 · web.cubeit.io · its alternatives →

13. 13CA
    Certera – A central validation server for Let's Encrypt certificates▲8

    2019 · docs.certera.io · its alternatives →

14. 14IC
    Iframe Code Generator▲6

    2020 · iframecode.com · its alternatives →

15. 15GF
    GoodCode – Free Front End Coding Challenges▲5

    2020 · moeminm.github.io · its alternatives →

16. 16WB
    Web based interactive Malbolge interpreter, generator and a crackme▲7

    2015 · zb3.github.io · its alternatives →

17. 17RA
    Recognizee API – Build Outbrain for eCommerce▲5

    2014 · recognizee.com · its alternatives →

18. 18CP
    Cute Password Generator▲5

    2019 · outpan.com · its alternatives →

19. 19FA
    Flawless - a Python framework for reporting exceptions via email▲5

    2013 · shopkick.github.com · its alternatives →

20. 20
    Promo Code Queue▲3

    This is my first SaaS, and I built it out of my own frustration. I wanted a better way to manage promo code giveaways for students or run campaigns on Reddit, but the manual process was a time sink. I spent hours sorting DMs, trying to be fair, and getting zero useful data from the whole process. I lost opportunity from users genuinely interested in my products. This is where I realized my "first 20 DMs" giveaway was a liability, I needed to turn it into a marketing asset. So, I built Promo Code Queue: https://promocodequeue.com It's a web app that automates the entire giveaway…

    Feb 2026 · promocodequeue.com · its alternatives →

21. 21
    jducers: A js transducers-like implementation using generators and es8▲2

    javascript

    2018 · github.com · its alternatives →

22. 22
    QR Code Generator▲2

    QR Code Generator

    2019 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →