diff --git a/docs/backlog.md b/docs/backlog.md
index aa94d1c..8d0f568 100644
--- a/docs/backlog.md
+++ b/docs/backlog.md
@@ -6,10 +6,8 @@
 
 ## UX — приоритетная очередь
 
-Порядок согласован: C (контролы полей) → B (загрузка исходника) → E (download) →
-D (pipeline). Делать по одной, сверху вниз.
+Порядок согласован: E (download) → D (pipeline). Делать по одной, сверху вниз.
 
-- [ ] **B. Загрузка исходника** — ctrl+v и drag-and-drop (dropzone)
 - [ ] **E. Download** — кнопка сразу пишет текущий формат, селектор
       PNG/JPG/WebP/BMP для всех инструментов, предупреждение при несовместимости
       формата (альфа-канал); описание формата из блока исходник/результат
diff --git a/web/e2e/helpers/page.ts b/web/e2e/helpers/page.ts
index dd78666..087e2ad 100644
--- a/web/e2e/helpers/page.ts
+++ b/web/e2e/helpers/page.ts
@@ -76,8 +76,10 @@ export async function renderText(page: Page, value: string): Promise<void> {
 }
 
 export async function uploadImage(page: Page, file: SourceFile): Promise<void> {
-	const input = page.locator('input[type="file"]');
-	await expect(input).toHaveCount(1);
+	// На странице может быть два input[type=file]: дропзона + кнопка Open image;
+	// канонический — первый (кнопка в шапке панели).
+	const input = page.locator('input[type="file"]').first();
+	await expect(input).toBeAttached();
 	await input.setInputFiles({
 		name: file.name,
 		mimeType: file.mimeType,
@@ -85,6 +87,35 @@ export async function uploadImage(page: Page, file: SourceFile): Promise<void> {
 	});
 }
 
+export async function uploadViaDrop(
+	page: Page,
+	file: SourceFile,
+): Promise<void> {
+	const dataTransfer = await page.evaluateHandle(
+		({
+			bytes,
+			name,
+			mimeType,
+		}: {
+			bytes: number[];
+			name: string;
+			mimeType: string;
+		}) => {
+			const dt = new DataTransfer();
+			dt.items.add(new File([new Uint8Array(bytes)], name, { type: mimeType }));
+			return dt;
+		},
+		{
+			bytes: Array.from(file.buffer),
+			name: file.name,
+			mimeType: file.mimeType,
+		},
+	);
+	await page
+		.getByRole("button", { name: /drop a png/i })
+		.dispatchEvent("drop", { dataTransfer });
+}
+
 export async function downloadResultFile(page: Page): Promise<Download> {
 	const button = page.getByRole("button", { name: "Download result" });
 	await expect(button).toBeVisible();
diff --git a/web/e2e/tool-flows.spec.ts b/web/e2e/tool-flows.spec.ts
index cdfe6b2..7e8646e 100644
--- a/web/e2e/tool-flows.spec.ts
+++ b/web/e2e/tool-flows.spec.ts
@@ -18,6 +18,7 @@ import {
 	sourceImage,
 	trackErrors,
 	uploadImage,
+	uploadViaDrop,
 	useEnglish,
 } from "./helpers/page";
 
@@ -81,6 +82,15 @@ test("crop-png starts with the full source area", async ({ page }) => {
 	expectNoErrors(sink);
 });
 
+test("flip-png: upload via drag-and-drop on the dropzone", async ({ page }) => {
+	const sink = trackErrors(page);
+	await openTool(page, "flip-png");
+	await uploadViaDrop(page, opaquePng);
+	await expect(resultImage(page)).toBeVisible();
+	await expectNoErrorAlert(page);
+	expectNoErrors(sink);
+});
+
 test("flip-png: full flow - upload, result, download", async ({ page }) => {
 	const sink = trackErrors(page);
 	await openTool(page, "flip-png");
diff --git a/web/e2e/tsconfig.json b/web/e2e/tsconfig.json
new file mode 100644
index 0000000..438aac4
--- /dev/null
+++ b/web/e2e/tsconfig.json
@@ -0,0 +1,7 @@
+{
+	"extends": "../tsconfig.json",
+	"compilerOptions": {
+		"types": ["node"]
+	},
+	"include": ["./**/*.ts"]
+}
diff --git a/web/eslint.config.js b/web/eslint.config.js
index a9bae5f..e00bbab 100644
--- a/web/eslint.config.js
+++ b/web/eslint.config.js
@@ -59,16 +59,7 @@ export default tseslint.config(
 						"vitest.config.ts",
 						"eslint.config.js",
 						"playwright.config.ts",
-						"e2e/helpers/fixtures.ts",
-						"e2e/helpers/page.ts",
-						"e2e/navigation.spec.ts",
-						"e2e/catalog.spec.ts",
-						"e2e/tool-flows.spec.ts",
-						"e2e/text-and-verdicts.spec.ts",
-						"e2e/tools-smoke.spec.ts",
-						"e2e/generators.spec.ts",
-						"e2e/png-fixtures.spec.ts",
-						"e2e/i18n.spec.ts",
+						// e2e покрыты e2e/tsconfig.json.
 						// Тесты и фикстуры кастомных линт-правил лежат вне src/ (не в
 						// tsconfig), поэтому для типизированного парсинга резолвятся
 						// через default-проект. Перечисляются точечно: `**` в
diff --git a/web/src/lib/components/schema/SchemaPreview.svelte b/web/src/lib/components/schema/SchemaPreview.svelte
index ba81bfa..b1dd184 100644
--- a/web/src/lib/components/schema/SchemaPreview.svelte
+++ b/web/src/lib/components/schema/SchemaPreview.svelte
@@ -78,6 +78,7 @@
 		{running}
 		ontextinput={ontextsource}
 		{onrendertext}
+		{onupload}
 	/>
 	<SchemaResultTile
 		{resultKind}
diff --git a/web/src/lib/components/schema/SchemaSourceTile.svelte b/web/src/lib/components/schema/SchemaSourceTile.svelte
index 28f522a..ccac845 100644
--- a/web/src/lib/components/schema/SchemaSourceTile.svelte
+++ b/web/src/lib/components/schema/SchemaSourceTile.svelte
@@ -3,6 +3,7 @@
 	import type { PixelImage } from "$lib/core/types";
 	import { t } from "$lib/i18n/t";
 	import type { InputMode } from "$lib/registry";
+	import Dropzone from "./Dropzone.svelte";
 	import PreviewTile from "./PreviewTile.svelte";
 	import SchemaTextSource from "./SchemaTextSource.svelte";
 
@@ -13,6 +14,7 @@
 		running?: boolean;
 		ontextinput?: (text: string) => void;
 		onrendertext?: () => void;
+		onupload?: (file: File) => void;
 	}
 	let {
 		mode,
@@ -21,9 +23,19 @@
 		running = false,
 		ontextinput,
 		onrendertext,
+		onupload,
 	}: Props = $props();
 
 	const sourceUrl = $derived(source ? toDataUrl(source) : null);
+
+	let dragging = $state(false);
+
+	function onDrop(e: DragEvent) {
+		e.preventDefault();
+		dragging = false;
+		const file = e.dataTransfer?.files?.[0];
+		if (file) onupload?.(file);
+	}
 </script>
 
 <PreviewTile label={t("sourceCard.source")} viewMode={mode}>
@@ -37,9 +49,29 @@
 			/>
 		</div>
 	{:else if mode === "image" && sourceUrl}
-		<img data-testid="source-image" src={sourceUrl} alt={t("sourceCard.alt")} />
+		<div
+			class="tile-drop"
+			class:dragging
+			role="region"
+			aria-label={t("dropZone.overlayDefault")}
+			ondragover={(e) => {
+				e.preventDefault();
+				dragging = true;
+			}}
+			ondragleave={() => (dragging = false)}
+			ondrop={onDrop}
+		>
+			<img
+				data-testid="source-image"
+				src={sourceUrl}
+				alt={t("sourceCard.alt")}
+			/>
+			{#if dragging}
+				<span class="drop-hint">{t("dropZone.overlayDefault")}</span>
+			{/if}
+		</div>
 	{:else if mode === "image"}
-		<span class="empty">{t("sourceCard.chooseImage")}</span>
+		<Dropzone onfile={onupload} />
 	{:else}
 		<span class="empty">{t("sourceCard.noSource")}</span>
 	{/if}
@@ -54,4 +86,32 @@
 		padding: var(--space-l);
 		box-sizing: border-box;
 	}
+	.tile-drop {
+		position: relative;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+		width: 100%;
+		align-self: stretch;
+	}
+	.tile-drop.dragging::after {
+		content: "";
+		position: absolute;
+		inset: 0;
+		border: var(--size-border-thick) dashed var(--color-main);
+		border-radius: var(--radius-m);
+		background: var(--color-main-tint);
+		pointer-events: none;
+	}
+	.tile-drop .drop-hint {
+		position: absolute;
+		inset: 0;
+		display: grid;
+		place-items: center;
+		padding: var(--space-l);
+		color: var(--color-main);
+		font: var(--font-size-s) var(--font-mono);
+		text-align: center;
+		pointer-events: none;
+	}
 </style>
diff --git a/web/src/lib/components/schema/SchemaToolView.svelte b/web/src/lib/components/schema/SchemaToolView.svelte
index b71cca4..bd0b17e 100644
--- a/web/src/lib/components/schema/SchemaToolView.svelte
+++ b/web/src/lib/components/schema/SchemaToolView.svelte
@@ -22,6 +22,7 @@
 		type ToolSchema,
 	} from "$lib/registry-schema";
 	import { downloadZip } from "$lib/zip";
+	import { onMount } from "svelte";
 	import { SvelteSet } from "svelte/reactivity";
 
 	interface Props {
@@ -235,6 +236,25 @@
 		init();
 	});
 
+	onMount(() => {
+		if (inputMode !== "image") return;
+		function onPaste(e: ClipboardEvent) {
+			const target = e.target as HTMLElement | null;
+			if (target?.closest("input, textarea, [contenteditable]")) return;
+			for (const item of e.clipboardData?.items ?? []) {
+				if (item.kind !== "file" || !item.type.startsWith("image/")) continue;
+				const file = item.getAsFile();
+				if (file) {
+					e.preventDefault();
+					void handleFile(file);
+				}
+				return;
+			}
+		}
+		window.addEventListener("paste", onPaste);
+		return () => window.removeEventListener("paste", onPaste);
+	});
+
 	$effect(() => {
 		if (!started) return;
 		if (inputMode === "image" && !source) return;
diff --git a/web/src/lib/i18n/en.ts b/web/src/lib/i18n/en.ts
index 194f6bf..8a92db2 100644
--- a/web/src/lib/i18n/en.ts
+++ b/web/src/lib/i18n/en.ts
@@ -122,7 +122,7 @@ export const en: Dict = {
 		pickDefault: "Drop an image here or click to choose a file",
 		overlayDefault: "Release the file to replace the image",
 		pickTitle: "Drop a PNG here",
-		pickHint: "or click to browse — processed locally",
+		pickHint: "or click / paste (Ctrl+V) — processed locally",
 	},
 	search: {
 		placeholder: "Find a tool…",
diff --git a/web/src/lib/i18n/ru.ts b/web/src/lib/i18n/ru.ts
index ddb4d82..b2e59d8 100644
--- a/web/src/lib/i18n/ru.ts
+++ b/web/src/lib/i18n/ru.ts
@@ -123,7 +123,7 @@ export const ru: Dict = {
 		pickDefault: "Перетащите изображение сюда или нажмите, чтобы выбрать файл",
 		overlayDefault: "Отпустите файл, чтобы заменить изображение",
 		pickTitle: "Перетащите PNG сюда",
-		pickHint: "или нажмите, чтобы выбрать — всё локально",
+		pickHint: "или нажмите / вставьте (Ctrl+V) — всё локально",
 	},
 	search: {
 		placeholder: "Найдите инструмент…",