diff --git a/keyboards/kprepublic/jj50/keymaps/via/config.h b/keyboards/kprepublic/jj50/keymaps/via/config.h
new file mode 100644
index 0000000000..e05e2c8741
--- /dev/null
+++ b/keyboards/kprepublic/jj50/keymaps/via/config.h
@@ -0,0 +1,20 @@
+/*
+Copyright 2022 Guillaume Gérard
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public LicensezZZ
+along with this program. If not, see .
+*/
+
+#pragma once
+
+#define DYNAMIC_KEYMAP_LAYER_COUNT 5
diff --git a/keyboards/kprepublic/jj50/keymaps/via/keymap.c b/keyboards/kprepublic/jj50/keymaps/via/keymap.c
new file mode 100644
index 0000000000..978ac4c12c
--- /dev/null
+++ b/keyboards/kprepublic/jj50/keymaps/via/keymap.c
@@ -0,0 +1,138 @@
+/*
+Copyright 2022 Guillaume Gérard
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public LicensezZZ
+along with this program. If not, see .
+*/
+
+#include QMK_KEYBOARD_H
+
+enum layers {
+ _QWERTY,
+ _LOWER,
+ _RAISE,
+ _ADJUST,
+ _FN
+};
+
+#define FN MO(_FN)
+#define LOWER FN_MO13
+#define RAISE FN_MO23
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+ /* Qwerty
+ * ,-----------------------------------------------------------------------------------.
+ * | ` | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | Bksp |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Tab | Q | W | E | R | T | Y | U | I | O | P | Del |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Esc | A | S | D | F | G | H | J | K | L | ; | ' |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | Shift| Z | X | C | V | B | N | M | , | . | / |Enter |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | FN | Ctrl | Alt | GUI |Lower | Space |Raise | Left | Down | Up |Right |
+ * `-----------------------------------------------------------------------------------'
+ */
+ [_QWERTY] = LAYOUT(
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_BSPC,
+ KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_DEL,
+ KC_ESC, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT,
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_ENT,
+ FN, KC_LCTL, KC_LALT, KC_LGUI, LOWER, KC_SPC, KC_SPC, RAISE, KC_LEFT, KC_DOWN, KC_UP, KC_RGHT
+ ),
+
+ /* Lower
+ * ,-----------------------------------------------------------------------------------.
+ * | ~ | ! | @ | # | $ | % | ^ | & | * | ( | ) | |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | ~ | ! | @ | # | $ | % | ^ | & | * | ( | ) | |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Del | F1 | F2 | F3 | F4 | F5 | F6 | _ | + | { | } | | |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | | F7 | F8 | F9 | F10 | F11 | F12 |ISO ~ |ISO | | Home | End | |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | | | | | | | | Next | Vol- | Vol+ | Play |
+ * `-----------------------------------------------------------------------------------'
+ */
+ [_LOWER] = LAYOUT(
+ KC_TILD, KC_EXLM, KC_AT, KC_HASH, KC_DLR, KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, _______,
+ KC_TILD, KC_EXLM, KC_AT, KC_HASH, KC_DLR, KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, _______,
+ KC_DEL, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE,
+ _______, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12,S(KC_NUHS),S(KC_NUBS),KC_HOME, KC_END, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY
+ ),
+
+ /* Raise
+ * ,-----------------------------------------------------------------------------------.
+ * | ` | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | ` | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Del | F1 | F2 | F3 | F4 | F5 | F6 | - | = | [ | ] | \ |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | | F7 | F8 | F9 | F10 | F11 | F12 |ISO # |ISO / |PageUp|PageDn| |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | | | | | | | | Next | Vol- | Vol+ | Play |
+ * `-----------------------------------------------------------------------------------'
+ */
+ [_RAISE] = LAYOUT(
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, _______,
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, _______,
+ KC_DEL, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_MINS, KC_EQL, KC_LBRC, KC_RBRC, KC_BSLS,
+ _______, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_NUHS, KC_NUBS, KC_PGUP, KC_PGDN, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY
+ ),
+
+ /* Adjust (Lower + Raise)
+ * ,-----------------------------------------------------------------------------------.
+ * | F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | F9 | F10 | F11 | F12 |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | | Reset| | | | | | | | | | Del |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |CPSLCK| | | | | | | | | | | |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | | | | | | | | | | | | |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | | | | | | | | | | | |
+ * `-----------------------------------------------------------------------------------'
+ */
+ [_ADJUST] = LAYOUT(
+ KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12,
+ _______, RESET, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_DEL,
+ KC_CAPS, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+
+ /* Fn (rgblight and backlight layout)
+ * ,-----------------------------------------------------------------------------------.
+ * | | | | | | | | | | | | |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | | | | | | | | | |RGBVA-|RGBVA+| |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | | | | | | | | | |RGBSA-|RGBSA+| |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | | | | | | | | |RGBTOG|RGBHU-|RGBHU+|RGBMOD|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | | | | | | | |BLTOGG| BL- | BL+ |BLBRTG|
+ * `-----------------------------------------------------------------------------------'
+ */
+ [_FN] = LAYOUT(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, RGB_VAD, RGB_VAI, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, RGB_SAD, RGB_SAI, _______,
+ _______, _______, _______, _______, _______, _______, _______, _______, RGB_TOG, RGB_HUD, RGB_HUI, RGB_MOD,
+ _______, _______, _______, _______, _______, _______, _______, _______, BL_TOGG, BL_DEC, BL_INC, BL_BRTG
+ )
+};
diff --git a/keyboards/kprepublic/jj50/keymaps/via/rules.mk b/keyboards/kprepublic/jj50/keymaps/via/rules.mk
new file mode 100644
index 0000000000..36b7ba9cbc
--- /dev/null
+++ b/keyboards/kprepublic/jj50/keymaps/via/rules.mk
@@ -0,0 +1,2 @@
+VIA_ENABLE = yes
+LTO_ENABLE = yes