diff --git a/src/NzbDrone.Core/Indexers/Definitions/Uniotaku.cs b/src/NzbDrone.Core/Indexers/Definitions/Uniotaku.cs
new file mode 100644
index 000000000..d2ee6c405
--- /dev/null
+++ b/src/NzbDrone.Core/Indexers/Definitions/Uniotaku.cs
@@ -0,0 +1,312 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using AngleSharp.Html.Parser;
+using Newtonsoft.Json.Linq;
+using NLog;
+using NzbDrone.Common.Extensions;
+using NzbDrone.Common.Http;
+using NzbDrone.Core.Annotations;
+using NzbDrone.Core.Configuration;
+using NzbDrone.Core.Indexers.Exceptions;
+using NzbDrone.Core.Indexers.Settings;
+using NzbDrone.Core.IndexerSearch.Definitions;
+using NzbDrone.Core.Messaging.Events;
+using NzbDrone.Core.Parser;
+using NzbDrone.Core.Parser.Model;
+
+namespace NzbDrone.Core.Indexers.Definitions;
+
+public class Uniotaku : TorrentIndexerBase<UniotakuSettings>
+{
+    public override string Name => "UniOtaku";
+    public override string[] IndexerUrls => new[] { "https://tracker.uniotaku.com/" };
+    public override string Description => "UniOtaku is a BRAZILIAN Semi-Private Torrent Tracker for ANIME";
+    public override string Language => "pt-BR";
+    public override DownloadProtocol Protocol => DownloadProtocol.Torrent;
+    public override IndexerPrivacy Privacy => IndexerPrivacy.SemiPrivate;
+    public override IndexerCapabilities Capabilities => SetCapabilities();
+
+    public Uniotaku(IIndexerHttpClient httpClient, IEventAggregator eventAggregator, IIndexerStatusService indexerStatusService, IConfigService configService, Logger logger)
+        : base(httpClient, eventAggregator, indexerStatusService, configService, logger)
+    {
+    }
+
+    public override IIndexerRequestGenerator GetRequestGenerator()
+    {
+        return new UniotakuRequestGenerator(Settings, Capabilities);
+    }
+
+    public override IParseIndexerResponse GetParser()
+    {
+        return new UniotakuParser(Settings, Capabilities.Categories);
+    }
+
+    protected override async Task DoLogin()
+    {
+        var loginUrl = Settings.BaseUrl + "account-login.php";
+        var requestBuilder = new HttpRequestBuilder(loginUrl);
+
+        var cookies = Cookies;
+        Cookies = null;
+
+        var authLoginRequest = requestBuilder
+            .Post()
+            .AddFormParameter("username", Settings.Username)
+            .AddFormParameter("password", Settings.Password)
+            .AddFormParameter("manter", "1")
+            .SetHeader("Content-Type", "application/x-www-form-urlencoded")
+            .SetHeader("Referer", Settings.BaseUrl)
+            .Build();
+
+        var response = await ExecuteAuth(authLoginRequest);
+
+        if (CheckIfLoginNeeded(response))
+        {
+            var parser = new HtmlParser();
+            var dom = parser.ParseDocument(response.Content);
+            var errorMessage = dom.QuerySelector(".login-content span.text-red")?.TextContent.Trim();
+
+            throw new IndexerAuthException(errorMessage ?? "Unknown error message, please report.");
+        }
+
+        cookies = response.GetCookies();
+        UpdateCookies(cookies, DateTime.Now.AddDays(30));
+
+        _logger.Debug("Authentication succeeded");
+    }
+
+    protected override bool CheckIfLoginNeeded(HttpResponse httpResponse)
+    {
+        return !httpResponse.GetCookies().ContainsKey("uid") || !httpResponse.GetCookies().ContainsKey("pass");
+    }
+
+    public override async Task<byte[]> Download(Uri link)
+    {
+        var request = new HttpRequestBuilder(link.ToString())
+            .SetCookies(GetCookies() ?? new Dictionary<string, string>())
+            .Accept(HttpAccept.Html)
+            .Build();
+
+        var response = await _httpClient.ExecuteProxiedAsync(request, Definition);
+
+        var parser = new HtmlParser();
+        var dom = parser.ParseDocument(response.Content);
+        var downloadLink = dom.QuerySelector("a[href^=\"download.php?id=\"]")?.GetAttribute("href")?.Trim();
+
+        if (downloadLink == null)
+        {
+            throw new Exception($"Failed to fetch download link from {link}");
+        }
+
+        return await base.Download(new Uri(Settings.BaseUrl + downloadLink));
+    }
+
+    private IndexerCapabilities SetCapabilities()
+    {
+        var caps = new IndexerCapabilities
+        {
+            TvSearchParams = new List<TvSearchParam>
+            {
+                TvSearchParam.Q, TvSearchParam.Season, TvSearchParam.Ep
+            },
+            MovieSearchParams = new List<MovieSearchParam>
+            {
+                MovieSearchParam.Q
+            },
+            MusicSearchParams = new List<MusicSearchParam>
+            {
+                MusicSearchParam.Q
+            },
+            BookSearchParams = new List<BookSearchParam>
+            {
+                BookSearchParam.Q
+            }
+        };
+
+        caps.Categories.AddCategoryMapping(28, NewznabStandardCategory.TVAnime, "Anime");
+        caps.Categories.AddCategoryMapping(47, NewznabStandardCategory.MoviesOther, "Filme");
+        caps.Categories.AddCategoryMapping(48, NewznabStandardCategory.TVAnime, "OVA");
+        caps.Categories.AddCategoryMapping(49, NewznabStandardCategory.BooksComics, "Mangá");
+        caps.Categories.AddCategoryMapping(50, NewznabStandardCategory.TVOther, "Dorama");
+        caps.Categories.AddCategoryMapping(51, NewznabStandardCategory.Audio, "OST");
+        caps.Categories.AddCategoryMapping(52, NewznabStandardCategory.TVAnime, "Anime Completo");
+        caps.Categories.AddCategoryMapping(53, NewznabStandardCategory.BooksComics, "Mangá Completo");
+        caps.Categories.AddCategoryMapping(54, NewznabStandardCategory.TVOther, "Dorama Completo");
+        caps.Categories.AddCategoryMapping(55, NewznabStandardCategory.XXX, "Hentai");
+        caps.Categories.AddCategoryMapping(56, NewznabStandardCategory.XXXOther, "H Doujinshi");
+        caps.Categories.AddCategoryMapping(57, NewznabStandardCategory.TVOther, "Tokusatsu");
+
+        return caps;
+    }
+}
+
+public class UniotakuRequestGenerator : IIndexerRequestGenerator
+{
+    private readonly UniotakuSettings _settings;
+    private readonly IndexerCapabilities _capabilities;
+
+    public UniotakuRequestGenerator(UniotakuSettings settings, IndexerCapabilities capabilities)
+    {
+        _settings = settings;
+        _capabilities = capabilities;
+    }
+
+    public IndexerPageableRequestChain GetSearchRequests(MovieSearchCriteria searchCriteria)
+    {
+        var pageableRequests = new IndexerPageableRequestChain();
+
+        pageableRequests.Add(GetPagedRequests($"{searchCriteria.SanitizedSearchTerm}", searchCriteria.Categories));
+
+        return pageableRequests;
+    }
+
+    public IndexerPageableRequestChain GetSearchRequests(MusicSearchCriteria searchCriteria)
+    {
+        var pageableRequests = new IndexerPageableRequestChain();
+
+        pageableRequests.Add(GetPagedRequests($"{searchCriteria.SanitizedSearchTerm}", searchCriteria.Categories));
+
+        return pageableRequests;
+    }
+
+    public IndexerPageableRequestChain GetSearchRequests(TvSearchCriteria searchCriteria)
+    {
+        var pageableRequests = new IndexerPageableRequestChain();
+
+        pageableRequests.Add(GetPagedRequests($"{searchCriteria.SanitizedSearchTerm}", searchCriteria.Categories));
+
+        return pageableRequests;
+    }
+
+    public IndexerPageableRequestChain GetSearchRequests(BookSearchCriteria searchCriteria)
+    {
+        var pageableRequests = new IndexerPageableRequestChain();
+
+        pageableRequests.Add(GetPagedRequests($"{searchCriteria.SanitizedSearchTerm}", searchCriteria.Categories));
+
+        return pageableRequests;
+    }
+
+    public IndexerPageableRequestChain GetSearchRequests(BasicSearchCriteria searchCriteria)
+    {
+        var pageableRequests = new IndexerPageableRequestChain();
+
+        pageableRequests.Add(GetPagedRequests($"{searchCriteria.SanitizedSearchTerm}", searchCriteria.Categories));
+
+        return pageableRequests;
+    }
+
+    private IEnumerable<IndexerRequest> GetPagedRequests(string term, int[] categories)
+    {
+        if (!string.IsNullOrWhiteSpace(term))
+        {
+            term = "%" + Regex.Replace(term, @"[ -._]+", "%").Trim() + "%";
+        }
+
+        var categoryMapping = _capabilities.Categories.MapTorznabCapsToTrackers(categories);
+
+        var parameters = new NameValueCollection
+        {
+            { "categoria", categoryMapping.FirstIfSingleOrDefault("0") },
+            { "grupo", "0" },
+            { "status", _settings.FreeleechOnly ? "1" : "0" },
+            { "ordenar", "0" },
+            { "start", "0" },
+            { "length", "100" },
+            { "search[value]", term ?? string.Empty },
+            { "search[regex]", "false" },
+        };
+
+        var searchUrl = $"{_settings.BaseUrl}torrents_.php?{parameters.GetQueryString()}";
+
+        yield return new IndexerRequest(searchUrl, HttpAccept.Html);
+    }
+
+    public Func<IDictionary<string, string>> GetCookies { get; set; }
+    public Action<IDictionary<string, string>, DateTime?> CookiesUpdater { get; set; }
+}
+
+public class UniotakuParser : IParseIndexerResponse
+{
+    private readonly UniotakuSettings _settings;
+    private readonly IndexerCapabilitiesCategories _categories;
+
+    public UniotakuParser(UniotakuSettings settings, IndexerCapabilitiesCategories categories)
+    {
+        _settings = settings;
+        _categories = categories;
+    }
+
+    public IList<ReleaseInfo> ParseResponse(IndexerResponse indexerResponse)
+    {
+        var releaseInfos = new List<ReleaseInfo>();
+
+        var parser = new HtmlParser();
+
+        var jsonContent = JObject.Parse(indexerResponse.Content);
+
+        var publishDate = DateTime.Now;
+        foreach (var item in jsonContent.Value<JArray>("data"))
+        {
+            var detailsDom = parser.ParseDocument(item.SelectToken("[0]").Value<string>());
+            var categoryDom = parser.ParseDocument(item.SelectToken("[1]").Value<string>());
+            var groupDom = parser.ParseDocument(item.SelectToken("[7]").Value<string>());
+
+            var qTitleLink = detailsDom.QuerySelector("a[href^=\"torrents-details.php?id=\"]");
+            var title = qTitleLink?.TextContent.Trim();
+            var infoUrl = _settings.BaseUrl + qTitleLink?.GetAttribute("href");
+
+            var category = categoryDom.QuerySelector("img[alt]")?.GetAttribute("alt")?.Trim() ?? "Anime";
+
+            var releaseGroup = groupDom.QuerySelector("a[href*=\"teams-view.php?id=\"]")?.TextContent.Trim();
+            if (!string.IsNullOrWhiteSpace(releaseGroup))
+            {
+                title += $" [{releaseGroup}]";
+            }
+
+            var seeders = item.SelectToken("[3]")?.Value<int>();
+            var leechers = item.SelectToken("[4]")?.Value<int>();
+
+            publishDate = publishDate.AddMinutes(-1);
+
+            var release = new TorrentInfo
+            {
+                Guid = infoUrl,
+                InfoUrl = infoUrl,
+                DownloadUrl = infoUrl,
+                Title = title,
+                Categories = _categories.MapTrackerCatDescToNewznab(category),
+                Size = ParseUtil.GetBytes(item.SelectToken("[6]")?.Value<string>()),
+                Grabs = item.SelectToken("[5]")?.Value<int>(),
+                Seeders = seeders,
+                Peers = seeders + leechers,
+                PublishDate = publishDate,
+                DownloadVolumeFactor =
+                    detailsDom.QuerySelector("img[src*=\"images/free.gif\"]") != null ? 0 :
+                    detailsDom.QuerySelector("img[src*=\"images/silverdownload.gif\"]") != null ? 0.5 : 1,
+                UploadVolumeFactor = 1,
+                MinimumRatio = 0.7
+            };
+
+            releaseInfos.Add(release);
+        }
+
+        return releaseInfos;
+    }
+
+    public Action<IDictionary<string, string>, DateTime?> CookiesUpdater { get; set; }
+}
+
+public class UniotakuSettings : UserPassTorrentBaseSettings
+{
+    public UniotakuSettings()
+    {
+        FreeleechOnly = false;
+    }
+
+    [FieldDefinition(4, Label = "Freeleech Only", Type = FieldType.Checkbox, HelpText = "Search Freeleech torrents only")]
+    public bool FreeleechOnly { get; set; }
+}