diff --git a/src/en/manga1s/build.gradle b/src/en/manga1s/build.gradle
new file mode 100644
index 000000000..c83672cb2
--- /dev/null
+++ b/src/en/manga1s/build.gradle
@@ -0,0 +1,13 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+
+ext {
+    extName = 'Manga1s'
+    pkgNameSuffix = 'en.manga1s'
+    extClass = '.manga1s'
+    extVersionCode = 1
+    libVersion = '1.2'
+    containsNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/en/manga1s/res/mipmap-hdpi/ic_launcher.png b/src/en/manga1s/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 000000000..84f6a3d8e
Binary files /dev/null and b/src/en/manga1s/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/src/en/manga1s/res/mipmap-mdpi/ic_launcher.png b/src/en/manga1s/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 000000000..34f14a113
Binary files /dev/null and b/src/en/manga1s/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/src/en/manga1s/res/mipmap-xhdpi/ic_launcher.png b/src/en/manga1s/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 000000000..71fcd5cbd
Binary files /dev/null and b/src/en/manga1s/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/src/en/manga1s/res/mipmap-xxhdpi/ic_launcher.png b/src/en/manga1s/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 000000000..9f88596cc
Binary files /dev/null and b/src/en/manga1s/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/src/en/manga1s/res/mipmap-xxxhdpi/ic_launcher.png b/src/en/manga1s/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 000000000..6d7f22740
Binary files /dev/null and b/src/en/manga1s/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/src/en/manga1s/res/web_hi_res_512.png b/src/en/manga1s/res/web_hi_res_512.png
new file mode 100644
index 000000000..aa2bf15e6
Binary files /dev/null and b/src/en/manga1s/res/web_hi_res_512.png differ
diff --git a/src/en/manga1s/src/eu/kanade/tachiyomi/extension/en/manga1s/manga1s.kt b/src/en/manga1s/src/eu/kanade/tachiyomi/extension/en/manga1s/manga1s.kt
new file mode 100644
index 000000000..7d60afa67
--- /dev/null
+++ b/src/en/manga1s/src/eu/kanade/tachiyomi/extension/en/manga1s/manga1s.kt
@@ -0,0 +1,211 @@
+package eu.kanade.tachiyomi.extension.en.manga1s
+
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.source.model.Filter
+import eu.kanade.tachiyomi.source.model.FilterList
+import eu.kanade.tachiyomi.source.model.Page
+import eu.kanade.tachiyomi.source.model.SChapter
+import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.source.online.ParsedHttpSource
+import okhttp3.HttpUrl
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+
+class manga1s : ParsedHttpSource() {
+
+    override val name = "Manga1s"
+
+    override val baseUrl = "https://manga1s.com"
+
+    override val lang = "en"
+
+    override val supportsLatest = true
+
+    override val client: OkHttpClient = network.cloudflareClient
+
+    // Popular
+    override fun popularMangaRequest(page: Int): Request {
+        return GET("$baseUrl/search/?s=rank&compact=1&page=$page#paged", headers)
+    }
+
+    override fun popularMangaSelector() = searchMangaSelector()
+
+    override fun popularMangaFromElement(element: Element): SManga {
+
+        val manga = SManga.create()
+
+        manga.setUrlWithoutDomain(element.select("a").attr("href"))
+        manga.title = element.select("p.manga-list-4-item-title > a").text()
+        manga.thumbnail_url = element.select("a img").attr("data-src")
+
+        return manga
+    }
+
+    override fun popularMangaNextPageSelector() = searchMangaNextPageSelector()
+
+    // Latest
+    override fun latestUpdatesRequest(page: Int): Request {
+        return GET("$baseUrl/search/?s=news&compact=1&page=$page#paged", headers)
+    }
+
+    override fun latestUpdatesSelector() = searchMangaSelector()
+
+    override fun latestUpdatesFromElement(element: Element): SManga {
+
+        val manga = SManga.create()
+
+        manga.setUrlWithoutDomain(element.select("a").attr("href"))
+        manga.title = element.select("p.manga-list-4-item-title > a").text()
+        manga.thumbnail_url = element.select("a img").attr("data-src")
+
+        return manga
+    }
+
+    override fun latestUpdatesNextPageSelector() = searchMangaNextPageSelector()
+
+    // Search
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
+        val url = HttpUrl.parse("$baseUrl/search")!!.newBuilder()
+            .addQueryParameter("text", query)
+        filters.forEach { filter ->
+            when (filter) {
+                is GenreList -> {
+                    val genreInclude = filter.state.filter { it.isIncluded() }.joinToString { it.id }
+                    val genreExclude = filter.state.filter { it.isExcluded() }.joinToString { it.id }
+                    url.addQueryParameter("genres", genreInclude)
+                    url.addQueryParameter("excludes", genreExclude)
+                }
+                is SortFilter -> url.addQueryParameter("s", filter.toUriPart())
+            }
+        }
+        url.addQueryParameter("compact", "1")
+        url.addQueryParameter("page", page.toString())
+        return GET(url.toString(), headers)
+    }
+
+    override fun searchMangaSelector() = "ul > li:nth-child(n)"
+
+    override fun searchMangaFromElement(element: Element): SManga {
+        val manga = SManga.create()
+
+        manga.setUrlWithoutDomain(element.select("a").attr("href"))
+        manga.title = element.select("p.manga-list-4-item-title > a").text()
+        manga.thumbnail_url = element.select("a img").attr("data-src")
+
+        return manga
+    }
+
+    override fun searchMangaNextPageSelector() = "div.pager-list > div > a:nth-child(8)"
+
+    // Details
+    override fun mangaDetailsParse(document: Document) = SManga.create().apply {
+        title = document.select("div.detail-info-right > h1").text()
+        description = document.select("div.detail-info-right > p.fullcontent").text()
+        thumbnail_url = document.select("div.detail-info-cover > img").attr("data-src")
+        author = document.select("p.detail-info-right-say > a").text()
+        genre = document.select("p.detail-info-right-tag-list > a:nth-child(n)").joinToString { it.text() }
+        status = document.select("span.detail-info-right-title-tip").text().let {
+            when {
+                it.contains("Ongoing") -> SManga.ONGOING
+                it.contains("Completed") -> SManga.COMPLETED
+                else -> SManga.UNKNOWN
+            }
+        }
+    }
+
+    // Chapters
+    override fun chapterListSelector() = "div.chap-version.version-active #list-2 > ul > li:nth-child(n)"
+
+    override fun chapterFromElement(element: Element): SChapter {
+        val chapter = SChapter.create()
+
+        chapter.setUrlWithoutDomain(element.select("a").attr("href"))
+        chapter.name = element.select("a").attr("title")
+
+        return chapter
+    }
+
+    // Pages
+    override fun pageListParse(document: Document): List<Page> = mutableListOf<Page>().apply {
+        document.select("div.reader-main > img:nth-child(n)").forEachIndexed { index, element ->
+            add(Page(index, "", element.attr("data-src")))
+        }
+    }
+
+    override fun imageUrlParse(document: Document) = throw UnsupportedOperationException("Not used")
+
+    // Filter
+    override fun getFilterList() = FilterList(
+        GenreList(genres()),
+        SortFilter()
+    )
+
+    open class UriPartFilter(displayName: String, private val vals: Array<Pair<String, String>>) :
+        Filter.Select<String>(displayName, vals.map { it.second }.toTypedArray()) {
+        fun toUriPart() = vals[state].first
+    }
+
+    private class Genre(name: String, val id: String) : Filter.TriState(name)
+    private class GenreList(genres: List<Genre>) : Filter.Group<Genre>("Genres", genres)
+
+    private class SortFilter : UriPartFilter(
+        "Sort By",
+        arrayOf(
+            Pair("popularity", "Popularity"),
+            Pair("alphabetical", "A-Z"),
+            Pair("rating", "Rating"),
+            Pair("chapters", "Chapters"),
+            Pair("news", "Last Update"),
+            Pair("rank", "Rank"),
+            Pair("hourly", "Hourly View"),
+            Pair("daily", "Daily View")
+        )
+    )
+
+    private fun genres(): List<Genre> = listOf(
+        Genre("4Koma", "4-Koma"),
+        Genre("Action", "Action"),
+        Genre("Adult", "Adult"),
+        Genre("Adventure", "Adventure"),
+        Genre("Comedy", "Comedy"),
+        Genre("Doujinshi", "Doujinshi"),
+        Genre("Drama", "Drama"),
+        Genre("Ecchi", "Ecchi"),
+        Genre("Fantasy", "Fantasy"),
+        Genre("Full Color", "full-color"),
+        Genre("Gender bender", "Gender-bender"),
+        Genre("Harem", "Harem"),
+        Genre("Hentai", "Hentai"),
+        Genre("Historical", "Historical"),
+        Genre("Horror", "Horror"),
+        Genre("Josei", "Josei"),
+        Genre("Loli", "Loli"),
+        Genre("Long Strip", "Long-strip"),
+        Genre("Magic", "Magic"),
+        Genre("Mature", "Mature"),
+        Genre("Martial arts", "Martial-arts"),
+        Genre("Mecha", "Mecha"),
+        Genre("Mystery", "Mystery"),
+        Genre("One shot", "One-Shot"),
+        Genre("Psychological", "Psychological"),
+        Genre("Romance", "Romance"),
+        Genre("School life", "School-life"),
+        Genre("Shoujo", "Shoujo"),
+        Genre("Slice of life", "Slice-of-life"),
+        Genre("Supernatural", "Supernatural"),
+        Genre("Shounen", "Shounen"),
+        Genre("Seinen", "Seinen"),
+        Genre("Sci-fi", "Sci-fi"),
+        Genre("Shounen ai", "Shounen-ai"),
+        Genre("Smut", "Smut"),
+        Genre("Shoujo ai", "Shoujo-ai"),
+        Genre("Sports", "Sports"),
+        Genre("Tragedy", "Tragedy"),
+        Genre("Web comic", "web-comic"),
+        Genre("Webtoon", "Webtoon"),
+        Genre("Yaoi", "Yaoi"),
+        Genre("Yuri", "Yuri")
+    )
+}