export.html

---
layout: inner
title: AdAway - Import and Export
description: Convert between legacy hosts file format and AdAway's modern JSON format for easy migration of your ad-blocking rules.
---

<h1 class="center pt-2 pb-2">Import & Export Host Lists</h1>

<div class="export-section">
	<label for="legacyExportTextArea" class="export-label">Legacy Format (hosts file)</label>
	<textarea placeholder="Paste your legacy hosts file here (e.g., 127.0.0.1 example.com)" id="legacyExportTextArea" aria-describedby="legacyHelp" spellcheck="false"></textarea>
	<p id="legacyHelp" class="export-help">Each line should be in format: <code>127.0.0.1 hostname</code> or <code>0.0.0.0 hostname</code> for blocked, <code>white hostname</code> for allowed</p>
	<button type="button" class="button-submit mb-3" onclick="convertToModern()"><i class="fas fa-arrow-down mr-1" aria-hidden="true"></i> Convert to Modern JSON</button>
</div>

<div class="export-section">
	<label for="modernExportTextArea" class="export-label">Modern Format (JSON)</label>
	<textarea placeholder="Paste your AdAway JSON export here" id="modernExportTextArea" aria-describedby="modernHelp" spellcheck="false"></textarea>
	<p id="modernHelp" class="export-help">AdAway's modern JSON format with blocked, allowed, and redirected arrays</p>
	<button type="button" class="button-submit" onclick="convertToLegacy()"><i class="fas fa-arrow-up mr-1" aria-hidden="true"></i> Convert to Legacy</button>
</div>

<script>
	const legacyExport = document.getElementById("legacyExportTextArea");
	const modernExport = document.getElementById("modernExportTextArea");
	const redirectedPattern = /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\s+([^\s]+)$/;

	function convertToLegacy() {
		try {
			const text = modernExport.value.trim();
			if (!text) {
				alert("Please enter a modern JSON export first.");
				return;
			}
			const modern = JSON.parse(text);
			let legacy = "";
			// Convert blocked hosts
			if (modern.blocked) {
				for (const blocked of modern.blocked) {
					if (blocked && blocked.host && blocked.enabled) {
						legacy += "127.0.0.1 " + blocked.host + "\n";
					}
				}
			}
			// Convert allowed hosts
			if (modern.allowed) {
				for (const allowed of modern.allowed) {
					if (allowed.host && allowed.enabled) {
						legacy += "white " + allowed.host + "\n";
					}
				}
			}
			// Convert redirected hosts
			if (modern.redirected) {
				for (const redirected of modern.redirected) {
					if (redirected.host && redirected.redirect && redirected.enabled) {
						legacy += redirected.redirect + " " + redirected.host + "\n";
					}
				}
			}
			legacyExport.value = legacy;
		} catch (e) {
			alert("Invalid JSON format. Please check your input.");
		}
	}

	function convertToModern() {
		const modern = {
			sources: [],
			blocked: [],
			allowed: [],
			redirected: []
		};
		const text = legacyExport.value.trim();
		if (!text) {
			alert("Please enter a legacy hosts list first.");
			return;
		}
		const lines = text.split('\n');
		for (let line of lines) {
			// Remove comments
			const commentStart = line.indexOf('#');
			if (commentStart !== -1) {
				line = line.substring(0, commentStart);
			}
			// Clean up line
			line = line.trim();
			if (line.length === 0) {
				continue;
			}
			// Test blocked hosts (127.0.0.1 or 0.0.0.0)
			if (line.startsWith("127.0.0.1 ") || line.startsWith("0.0.0.0 ")) {
				const host = line.split(/\s+/)[1];
				if (host) {
					modern.blocked.push({
						host: host,
						enabled: true
					});
				}
			}
			// Test allowed hosts
			else if (line.startsWith("white ")) {
				modern.allowed.push({
					host: line.substring(6).trim(),
					enabled: true
				});
			}
			// Test redirected domains
			else {
				const match = line.match(redirectedPattern);
				if (match && match.length > 5) {
					modern.redirected.push({
						host: match[5],
						redirect: match[1] + '.' + match[2] + '.' + match[3] + '.' + match[4],
						enabled: true
					});
				}
			}
		}
		modernExport.value = JSON.stringify(modern, null, '  ');
	}
</script>