diff --git a/data/strings/en/iban-generator.yml b/data/strings/en/iban-generator.yml
index c8233db..24b779a 100644
--- a/data/strings/en/iban-generator.yml
+++ b/data/strings/en/iban-generator.yml
@@ -6,6 +6,7 @@ country.label: "Country"
 
 option.count: "IBAN Count"
 option.human.readable: "Format for readability"
+option.prefer.numbers: "Prefer numbers over letters"
 option.for.each: "Generate <i>X</i> for each country"
 option.sepa.enable: "Enable SEPA countries"
 option.non-sepa.enable: "Enable non-SEPA countries"
diff --git a/data/strings/fr/iban-generator.yml b/data/strings/fr/iban-generator.yml
index 15943a4..849e842 100644
--- a/data/strings/fr/iban-generator.yml
+++ b/data/strings/fr/iban-generator.yml
@@ -6,6 +6,7 @@ country.label: "Pays"
 
 option.count: "Nombre d'IBAN"
 option.human.readable: "Formatter pour lecture"
+option.prefer.numbers: "Favoriser les nombres aux lettres"
 option.for.each: "Générer <i>X</i> pour chaque pays"
 option.sepa.enable: "Activer les pays SEPA"
 option.non-sepa.enable: "Activer les pays non-SEPA"
diff --git a/static/resources/NibblePoker/applets/iban-generator/iban-generator.mjs b/static/resources/NibblePoker/applets/iban-generator/iban-generator.mjs
index 4629f4c..3d5f7d8 100644
--- a/static/resources/NibblePoker/applets/iban-generator/iban-generator.mjs
+++ b/static/resources/NibblePoker/applets/iban-generator/iban-generator.mjs
@@ -3,10 +3,8 @@
 // License: Public Domain (This code)
 
 import {
-    parseStandardIban,
     IbanSpecification,
     countriesSpecs,
-    getIbanChecksumFromParts,
     StandardIban
 } from "../../libs/iban.mjs";
 
@@ -34,6 +32,8 @@ import {initCore} from "../../js/nibblepoker-core.mjs";
     const eOptionCount = document.querySelector("input#iban-generator-option-count");
     /** @type {HTMLInputElement} */
     const eOptionPrettyPrint = document.querySelector("input#iban-generator-option-pretty");
+    /** @type {HTMLInputElement} */
+    const eOptionPreferNumbers = document.querySelector("input#iban-generator-option-prefer-numbers");
 
     /** @type {HTMLElement} */
     const eGenerateButton = document.querySelector("#iban-generator-generate");
@@ -62,6 +62,44 @@ import {initCore} from "../../js/nibblepoker-core.mjs";
     }
 
     window.onload = function () {
+        // FIXME: Handle the exclusions properly
+
+        // Generation
+        eGenerateButton.addEventListener("click", function() {
+            ePreviewTextArea.value = "";
+            lastIBANs = [];
+
+            let desiredCount = getDesiredCount();
+
+            let preferNumbers = eOptionPreferNumbers.checked;
+            let prettyIban = eOptionPrettyPrint.checked;
+
+            /** @type {IbanSpecification[]} */
+            let targetSpecs;
+            if(eOptionForEach.checked) {
+                targetSpecs = Object.values(countriesSpecs);
+            } else {
+                targetSpecs = [countriesSpecs[eOptionCountry.value]];
+            }
+
+            targetSpecs.forEach(spec => {
+                for(let i = 0; i < desiredCount; i++) {
+                    if(prettyIban) {
+                        lastIBANs.push(
+                            spec.getFormattedIban(
+                                new StandardIban(spec.countryCode, spec.generateRandomBban(preferNumbers), spec).toString()
+                            )
+                        );
+                    } else {
+                        lastIBANs.push(
+                            new StandardIban(spec.countryCode, spec.generateRandomBban(preferNumbers), spec).toString()
+                        );
+                    }
+                }
+            });
+
+            ePreviewTextArea.value = lastIBANs.join("\n");
+        });
 
         // Count option
         eOptionCount.addEventListener("change", function() {
@@ -96,7 +134,4 @@ import {initCore} from "../../js/nibblepoker-core.mjs";
             downloadStringAsFile("- \"" + lastIBANs.join("\"\n- \"") + "\"", "uuids.yaml", "text/yaml");
         });
     };
-
-    console.log(new StandardIban("LU", "0108783391941421", countriesSpecs.LU).toString());
-    console.log(new StandardIban("LU", "123456ABCDEFGHIL", countriesSpecs.LU).toString());
 }
diff --git a/static/resources/NibblePoker/libs/iban.mjs b/static/resources/NibblePoker/libs/iban.mjs
index 7c4a4b7..927ba99 100644
--- a/static/resources/NibblePoker/libs/iban.mjs
+++ b/static/resources/NibblePoker/libs/iban.mjs
@@ -195,6 +195,10 @@ export class StandardIban extends SimpleIban {
     }
 }
 
+export const charsN = "0123456789";
+export const charsA = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+export const charsC = charsN + charsA;
+
 export class IbanSpecification {
     /**
      * ISO-3166 Country Code
@@ -264,6 +268,50 @@ export class IbanSpecification {
     getFormattedIban(iban) {
         return iban.match(/.{1,4}/g).join(' ');
     }
+
+    generateRandomBban(preferNumbers = false) {
+        let returnedBban = "";
+        let patternParts = ("_" + this.bbanFormat + "0").split("!");
+
+        for(let i = 0; i < patternParts.length; i++) {
+            let elementCount = parseInt(patternParts[i].substring(1));
+            if(elementCount === 0) {
+                continue;
+            }
+
+            let elementType = patternParts[i + 1].substring(0, 1);
+            let elementChoices;
+            switch(elementType) {
+                case 'n':
+                case 'N':
+                    elementChoices = charsN;
+                    break;
+                case 'c':
+                case 'C':
+                    if(preferNumbers) {
+                        elementChoices = charsN;
+                    } else {
+                        elementChoices = charsC;
+                    }
+                    break;
+                case 'a':
+                case 'A':
+                    elementChoices = charsA;
+                    break;
+            }
+
+            if(elementChoices === undefined || elementChoices === null) {
+                throw new IncorrectIbanFormatError(
+                    `The format '${this.bbanFormat}' contains an unhandled element type '${elementType}' !`)
+            }
+
+            for (let i = 0; i < elementCount; i++) {
+                returnedBban += elementChoices.charAt(Math.floor(Math.random() * elementChoices.length));
+            }
+        }
+
+        return returnedBban;
+    }
 }
 
 export const countriesSpecs = {
diff --git a/templates/applets/iban-generator.jinja b/templates/applets/iban-generator.jinja
index e6caf1e..e1db376 100644
--- a/templates/applets/iban-generator.jinja
+++ b/templates/applets/iban-generator.jinja
@@ -120,6 +120,11 @@
 <label for="iban-generator-option-pretty" class="mr-xxs">{{ l10n("option.human.readable", "iban-generator", user_lang) }}:</label>
 <input id="iban-generator-option-pretty" class="r-m border" type="checkbox" checked>
 
+<br>
+
+<label for="iban-generator-option-prefer-numbers" class="mr-xxs">{{ l10n("option.prefer.numbers", "iban-generator", user_lang) }}:</label>
+<input id="iban-generator-option-prefer-numbers" class="r-m border" type="checkbox">
+
 
 <hr class="subtle">