diff --git a/Controllers/QuoteController.cs b/Controllers/QuoteController.cs
index c9cca5e..2a85bed 100644
--- a/Controllers/QuoteController.cs
+++ b/Controllers/QuoteController.cs
@@ -41,35 +41,63 @@ public class QuotesController : ControllerBase
     /// Has CORS set, unlike e.g. GET /api/v1/quote/{id} or GET /api/v1/quote/random.
     /// </remarks>
     /// <param name="page_no">The page number</param>
-    /// <returns>A page (10 quotes)</returns>
+    /// <param name="category_id">(Optional) Standalone category id or comma separated ids (e.g. "1" or "1,2,3")</param>
+    /// <returns>A page (&lt;= 10 quotes)</returns>
     /// <response code="200">Returned on valid request</response>
     /// <response code="404">Returned when requested page is invalid (page_no &lt;= 0)</response>
     [HttpGet("page/{page_no}")]
     [EnableCors]
     [ProducesResponseType(typeof(List<QuoteShortDTO>), 200)]
     [ProducesResponseType(typeof(ErrorDTO), 404)]
-    public async Task<IActionResult> GetQuotePage(int page_no)
+    public async Task<IActionResult> GetQuotePage(int page_no, [FromQuery] string? category_id = null)
     {
         var totalQuotes = await _db.Quotes.CountAsync();
         const int PageSize = 10;
 
+        List<int>? categories = category_id?
+                                    .Split(",")
+                                    .Select(Int32.Parse)
+                                    .ToList();
+
         if (page_no <= 0)
         {
             return NotFound(new ErrorDTO { Status = "error", Error_msg = "Numer strony musi być większy niż 0" });
         }
-        var quotes = await _db.Quotes
-                            .Include(q => q.QuoteCategories)
-                            .ThenInclude(qc => qc.Category)
-                            .Include(q => q.User)
-                            .Include(q => q.Image)
-                            .OrderBy(q => q.Id)
-                            .Skip((page_no - 1) * PageSize)
-                            .Take(PageSize)
-                            .ToListAsync();
 
-        var result = quotes
-                        .Select(q => q.ToQuoteShortDTO())
-                        .ToList();
+        // Paginacja bez filtra
+        var baseQuery = _db.Quotes
+            .Include(q => q.QuoteCategories!)
+            .ThenInclude(qc => qc.Category)
+            .Include(q => q.User)
+            .Include(q => q.Image)
+            .OrderBy(q => q.Id);
+
+        // Botched solution
+        List<Quote> pageQuotes;
+
+        // Filtrowanie przed pobraniem strony
+        if (categories != null)
+        {
+            pageQuotes = await baseQuery
+                .Where(q => q.QuoteCategories!
+                    .Any(qc => categories.Contains(qc.CategoryId))
+                    //.Any(qc => qc.CategoryId == category_id.Value)
+                )
+                .Skip((page_no - 1) * PageSize)
+                .Take(PageSize)
+                .ToListAsync();
+        }
+        else
+        {
+            pageQuotes = await baseQuery
+                .Skip((page_no - 1) * PageSize)
+                .Take(PageSize)
+                .ToListAsync();
+        }
+
+        var result = pageQuotes
+            .Select(q => q.ToQuoteShortDTO())
+            .ToList();
 
         return Ok(result);
 
@@ -118,13 +146,13 @@ public class QuotesController : ControllerBase
     [HttpPost("new")]
     [Authorize]
     [EnableCors]
-    [ProducesResponseType(201)] 
+    [ProducesResponseType(201)]
     [ProducesResponseType(typeof(ErrorDTO), 400)]
     [ProducesResponseType(typeof(ErrorDTO), 403)]
     public async Task<IActionResult> CreateQuote([FromBody] CreateQuoteDTO request)
     {
         // Get user ID from claims
-        
+
         var userIdClaim = User.FindFirst(ClaimTypes.NameIdentifier)?.Value;
         if (userIdClaim == null || !int.TryParse(userIdClaim, out int userId))
             // https://stackoverflow.com/a/47708867
@@ -182,7 +210,7 @@ public class QuotesController : ControllerBase
     /// <returns>A quote: id, quote content and author, imageUrl and categories if successful, otherwise: error message</returns>
     /// <response code="200">Returned on valid request</response>
     /// <response code="204">Returned when no quotes exist matching provided criteria</response>
-    /// <response code="404">Returned when no quotes exist in the DB</response>
+    /// <response code="404">Returned when no quotes exist (in the DB)</response>
     [HttpGet("random")]
     [AllowAnonymous]
     [ProducesResponseType(typeof(QuoteShortDTO), 200)]
@@ -252,7 +280,7 @@ public class QuotesController : ControllerBase
     {
         // (Attempt to) find the quote
         Quote? quote = await _db.Quotes
-                            .FirstOrDefaultAsync(q => q.Id ==  id);
+                            .FirstOrDefaultAsync(q => q.Id == id);
         // Failed?
         if (quote == null)
             return NotFound(new { status = "error", error_msg = "Quote not found" });
@@ -362,7 +390,8 @@ public class QuotesController : ControllerBase
             foreach (var name in newNames)
             {
                 // Add them to the DB
-                var newCat = new Category {
+                var newCat = new Category
+                {
                     Name = name,
                     Description = string.Empty,
                     CreatedAt = DateTime.UtcNow
@@ -377,7 +406,8 @@ public class QuotesController : ControllerBase
 
             // Assign all the new categories to the quote
             quote.QuoteCategories = categoriesFromDb
-                .Select(cat => new QuoteCategory {
+                .Select(cat => new QuoteCategory
+                {
                     CategoryId = cat.Id,
                     QuoteId = quote.Id
                 })