diff --git a/app/javascript/mastodon/components/button/index.tsx b/app/javascript/mastodon/components/button/index.tsx
index f940c07d056..c40d2b246d3 100644
--- a/app/javascript/mastodon/components/button/index.tsx
+++ b/app/javascript/mastodon/components/button/index.tsx
@@ -24,13 +24,13 @@ interface PropsWithText extends BaseProps {
   children?: undefined;
 }
 
-type Props = PropsWithText | PropsChildren;
+export type ButtonProps = PropsWithText | PropsChildren;
 
 /**
  * Primary UI component for user interaction that doesn't result in navigation.
  */
 
-export const Button: React.FC<Props> = ({
+export const Button: React.FC<ButtonProps> = ({
   type = 'button',
   onClick,
   disabled,
diff --git a/app/javascript/mastodon/components/dropdown/index.tsx b/app/javascript/mastodon/components/dropdown/index.tsx
index b6a04b9027f..fb4e9014927 100644
--- a/app/javascript/mastodon/components/dropdown/index.tsx
+++ b/app/javascript/mastodon/components/dropdown/index.tsx
@@ -21,7 +21,7 @@ interface DropdownProps {
   items: SelectItem[];
   onChange: (value: string) => void;
   current: string;
-  labelId: string;
+  labelId?: string;
   descriptionId?: string;
   emptyText?: MessageDescriptor;
   classPrefix: string;
@@ -79,7 +79,7 @@ export const Dropdown: FC<
         type='button'
         {...buttonProps}
         id={buttonId}
-        aria-labelledby={`${labelId} ${buttonId}`}
+        aria-labelledby={classNames(labelId, buttonId)}
         aria-describedby={descriptionId}
         aria-expanded={open}
         aria-controls={listboxId}
diff --git a/app/javascript/mastodon/features/ui/components/donate_modal.tsx b/app/javascript/mastodon/features/ui/components/donate_modal.tsx
new file mode 100644
index 00000000000..b51574b3e53
--- /dev/null
+++ b/app/javascript/mastodon/features/ui/components/donate_modal.tsx
@@ -0,0 +1,163 @@
+import type { FC, SyntheticEvent } from 'react';
+import { forwardRef, useCallback, useState } from 'react';
+
+import { defineMessages, useIntl } from 'react-intl';
+
+import classNames from 'classnames';
+
+import type { ButtonProps } from '@/mastodon/components/button';
+import { Button } from '@/mastodon/components/button';
+import { Dropdown } from '@/mastodon/components/dropdown';
+import type { SelectItem } from '@/mastodon/components/dropdown_selector';
+import { IconButton } from '@/mastodon/components/icon_button';
+import CloseIcon from '@/material-icons/400-24px/close.svg?react';
+
+import type { BaseConfirmationModalProps } from './confirmation_modals/confirmation_modal';
+
+import './donate_model.scss';
+
+type DonateModalProps = BaseConfirmationModalProps;
+
+type Frequency = 'one_time' | 'monthly';
+
+const messages = defineMessages({
+  close: { id: 'lightbox.close', defaultMessage: 'Close' },
+});
+
+const currencyOptions = [
+  {
+    value: 'usd',
+    text: 'USD',
+  },
+  {
+    value: 'eur',
+    text: 'EUR',
+  },
+] as const satisfies SelectItem[];
+type Currency = (typeof currencyOptions)[number]['value'];
+function isCurrency(value: string): value is Currency {
+  return currencyOptions.some((option) => option.value === value);
+}
+
+const amountOptions = [
+  { value: '2000', text: '€20' },
+  { value: '1000', text: '€10' },
+  { value: '500', text: '€5' },
+  { value: '300', text: '€3' },
+] as const satisfies SelectItem[];
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars -- React throws a warning if not set.
+const DonateModal: FC<DonateModalProps> = forwardRef(({ onClose }, ref) => {
+  const intl = useIntl();
+
+  const [frequency, setFrequency] = useState<Frequency>('one_time');
+  const handleFrequencyToggle = useCallback((value: Frequency) => {
+    return () => {
+      setFrequency(value);
+    };
+  }, []);
+
+  const [currency, setCurrency] = useState<Currency>('usd');
+  const handleCurrencyChange = useCallback((value: string) => {
+    if (isCurrency(value)) {
+      setCurrency(value);
+    }
+  }, []);
+
+  const [amount, setAmount] = useState(() =>
+    Number.parseInt(amountOptions[0].value),
+  );
+  const handleAmountChange = useCallback((event: SyntheticEvent) => {
+    if (
+      event.target instanceof HTMLButtonElement ||
+      event.target instanceof HTMLInputElement
+    ) {
+      setAmount(Number.parseInt(event.target.value));
+    }
+  }, []);
+
+  return (
+    <div className='modal-root__modal dialog-modal donate_modal'>
+      <div className='dialog-modal__header'>
+        <IconButton
+          className='dialog-modal__header__close'
+          title={intl.formatMessage(messages.close)}
+          icon='times'
+          iconComponent={CloseIcon}
+          onClick={onClose}
+        />
+        <span className='dialog-modal__header__title'>
+          By supporting Mastodon, you help sustain a global network that values
+          people over profit. Will you join us today?
+        </span>
+      </div>
+      <div className='dialog-modal__content'>
+        <div className='dialog-modal__content__form'>
+          <div className='row'>
+            <ToggleButton
+              active={frequency === 'one_time'}
+              onClick={handleFrequencyToggle('one_time')}
+            >
+              One Time
+            </ToggleButton>
+            <ToggleButton
+              active={frequency === 'monthly'}
+              onClick={handleFrequencyToggle('monthly')}
+            >
+              Monthly
+            </ToggleButton>
+          </div>
+
+          <div className='row row--select'>
+            <Dropdown
+              items={currencyOptions}
+              current={currency}
+              classPrefix='donate_modal'
+              onChange={handleCurrencyChange}
+            />
+            <input
+              type='number'
+              min='1'
+              step='1'
+              value={amount}
+              onChange={handleAmountChange}
+            />
+          </div>
+
+          <div className='row'>
+            {amountOptions.map((option) => (
+              <ToggleButton
+                key={option.value}
+                onClick={handleAmountChange}
+                active={amount === Number.parseInt(option.value)}
+                value={option.value}
+                text={option.text}
+              />
+            ))}
+          </div>
+
+          <Button className='submit' block>
+            Continue to payment
+          </Button>
+        </div>
+      </div>
+    </div>
+  );
+});
+DonateModal.displayName = 'DonateModal';
+
+const ToggleButton: FC<ButtonProps & { active: boolean }> = ({
+  active,
+  ...props
+}) => {
+  return (
+    <Button
+      block
+      {...props}
+      className={classNames('toggle', props.className, { active })}
+    />
+  );
+};
+
+// eslint-disable-next-line import/no-default-export -- modal_root expects a default export.
+export default DonateModal;
diff --git a/app/javascript/mastodon/features/ui/components/donate_model.scss b/app/javascript/mastodon/features/ui/components/donate_model.scss
new file mode 100644
index 00000000000..05d9094a673
--- /dev/null
+++ b/app/javascript/mastodon/features/ui/components/donate_model.scss
@@ -0,0 +1,48 @@
+.donate_modal {
+  .dialog-modal__header {
+    gap: 1rem;
+  }
+
+  .row {
+    display: flex;
+    gap: 1rem;
+
+    &--select {
+      gap: 0;
+      width: 100%;
+
+      button {
+        background-color: var(--button-color);
+        border: none;
+        border-top-left-radius: 4px;
+        border-bottom-left-radius: 4px;
+        color: white;
+        display: flex;
+        align-items: center;
+        padding: 0.5rem;
+      }
+
+      input {
+        flex-grow: 1;
+        background: none;
+        padding: 0.5rem;
+        color: white;
+        border: 1px solid var(--button-color);
+        border-top-right-radius: 4px;
+        border-bottom-right-radius: 4px;
+      }
+    }
+  }
+
+  .button.toggle:not(.active) {
+    background-color: inherit;
+    border: 2px solid var(--button-color);
+    color: var(--button-color);
+
+    &:hover {
+      border-color: var(--button-hover-color);
+      background-color: var(--button-hover-color);
+      color: white;
+    }
+  }
+}
diff --git a/app/javascript/mastodon/features/ui/components/modal_root.jsx b/app/javascript/mastodon/features/ui/components/modal_root.jsx
index caaa4e590bd..e09265817bd 100644
--- a/app/javascript/mastodon/features/ui/components/modal_root.jsx
+++ b/app/javascript/mastodon/features/ui/components/modal_root.jsx
@@ -19,6 +19,7 @@ import {
   ClosedRegistrationsModal,
   IgnoreNotificationsModal,
   AnnualReportModal,
+  DonateModal,
 } from 'mastodon/features/ui/util/async-components';
 
 import BundleContainer from '../containers/bundle_container';
@@ -80,6 +81,7 @@ export const MODAL_COMPONENTS = {
   'IGNORE_NOTIFICATIONS': IgnoreNotificationsModal,
   'ANNUAL_REPORT': AnnualReportModal,
   'COMPOSE_PRIVACY': () => Promise.resolve({ default: VisibilityModal }),
+  'DONATE': DonateModal,
 };
 
 export default class ModalRoot extends PureComponent {
diff --git a/app/javascript/mastodon/features/ui/util/async-components.js b/app/javascript/mastodon/features/ui/util/async-components.js
index 6cd46837c0e..6a8ed05056c 100644
--- a/app/javascript/mastodon/features/ui/util/async-components.js
+++ b/app/javascript/mastodon/features/ui/util/async-components.js
@@ -230,6 +230,8 @@ export function AnnualReportModal () {
   return import('../components/annual_report_modal');
 }
 
+export const DonateModal = () => import('../components/donate_modal');
+
 export function ListEdit () {
   return import('../../lists/new');
 }
diff --git a/app/javascript/styles/mastodon/css_variables.scss b/app/javascript/styles/mastodon/css_variables.scss
index 78915ae10ee..adab70a49ae 100644
--- a/app/javascript/styles/mastodon/css_variables.scss
+++ b/app/javascript/styles/mastodon/css_variables.scss
@@ -37,6 +37,8 @@
   --input-placeholder-color: #{$dark-text-color};
   --input-background-color: var(--surface-variant-background-color);
   --on-input-color: #{$secondary-text-color};
+  --button-color: #{$ui-button-background-color};
+  --button-hover-color: #{$ui-button-focus-background-color};
 }
 
 body {