diff --git a/crnlib/crn_clusterizer.h b/crnlib/crn_clusterizer.h
index d80d508c..b3c1a546 100644
--- a/crnlib/crn_clusterizer.h
+++ b/crnlib/crn_clusterizer.h
@@ -53,7 +53,7 @@ class clusterizer {
       root.m_total_weight += weight;
       root.m_vectors.push_back(i);
 
-      ttsum += v.dot(v) * weight;
+      ttsum += (double)v.dot(v) * (double)weight;
     }
 
     root.m_variance = (float)(ttsum - (root.m_centroid.dot(root.m_centroid) / root.m_total_weight));
@@ -409,7 +409,7 @@ class clusterizer {
         double sum = 0;
 
         for (uint j = 0; j < N; j++)
-          sum += axis[j] * covar[i][j];
+          sum += static_cast<double>(axis[j]) * static_cast<double>(covar[i][j]);
 
         x[i] = static_cast<float>(sum);
 
@@ -629,14 +629,14 @@ class clusterizer {
           new_left_child += (v * (float)weight);
           left_weight += weight;
 
-          left_ttsum += v.dot(v) * weight;
+          left_ttsum += (double)v.dot(v) * (double)weight;
         } else {
           m_right_children.push_back(parent_node.m_vectors[i]);
 
           new_right_child += (v * (float)weight);
           right_weight += weight;
 
-          right_ttsum += v.dot(v) * weight;
+          right_ttsum += (double)v.dot(v) * (double)weight;
         }
       }
 
diff --git a/crnlib/crn_comp.cpp b/crnlib/crn_comp.cpp
index 7a37e47b..fc3c6d96 100644
--- a/crnlib/crn_comp.cpp
+++ b/crnlib/crn_comp.cpp
@@ -632,7 +632,7 @@ static void remap_color_endpoints(uint16* remapping, const optimize_color_params
     remaining[i].e = unpacked_endpoints[i];
   }
   crnlib::vector<uint16> chosen(n << 1);
-  uint remaining_count = n, chosen_front = n, chosen_back = chosen_front;
+  uint16 remaining_count = n, chosen_front = n, chosen_back = chosen_front;
   chosen[chosen_front] = selected;
   optimize_color_params::unpacked_endpoint front_e = remaining[selected].e, back_e = front_e;
   bool front_updated = true, back_updated = true;
@@ -883,7 +883,7 @@ static void remap_alpha_endpoints(uint16* remapping, const optimize_alpha_params
     const optimize_alpha_params::unpacked_endpoint& e_back = unpacked_endpoints[chosen.back()];
     uint16 selected_index = 0;
     uint64 best_value = 0, selected_similarity_front = 0, selected_similarity_back = 0;
-    for (uint16 i = 0; i < remaining.size(); i++) {
+    for (size_t i = 0; i < remaining.size(); i++) {
       uint remaining_index = remaining[i];
       const optimize_alpha_params::unpacked_endpoint& e_remaining = unpacked_endpoints[remaining_index];
       uint error_front = math::square(e_remaining.low - e_front.low) + math::square(e_remaining.high - e_front.high);
@@ -912,7 +912,7 @@ static void remap_alpha_endpoints(uint16* remapping, const optimize_alpha_params
       chosen.push_back(selected);
     }
     remaining.erase(remaining.begin() + selected_index);
-    for (uint16 i = 0; i < remaining.size(); i++)
+    for (size_t i = 0; i < remaining.size(); i++)
       total_frequency[remaining[i]] += frequency[remaining[i]];
   }
   for (uint16 i = 0; i < n; i++)
diff --git a/crnlib/crn_dxt1.cpp b/crnlib/crn_dxt1.cpp
index ff807990..8291d401 100644
--- a/crnlib/crn_dxt1.cpp
+++ b/crnlib/crn_dxt1.cpp
@@ -151,9 +151,9 @@ void dxt1_endpoint_optimizer::compute_pca(vec3F& axis, const vec3F_array& norm_c
   double cov[6] = {0, 0, 0, 0, 0, 0};
   for (uint i = 0; i < norm_colors.size(); i++) {
     const vec3F& v = norm_colors[i];
-    float r = v[0];
-    float g = v[1];
-    float b = v[2];
+    double r = (double)v[0];
+    double g = (double)v[1];
+    double b = (double)v[2];
     if (m_unique_colors[i].m_weight > 1) {
       const double weight = m_unique_colors[i].m_weight;
       cov[0] += r * r * weight;
diff --git a/crnlib/crn_dxt_fast.cpp b/crnlib/crn_dxt_fast.cpp
index 257d8510..53e5c1f3 100644
--- a/crnlib/crn_dxt_fast.cpp
+++ b/crnlib/crn_dxt_fast.cpp
@@ -413,7 +413,7 @@ static bool refine_endpoints(uint n, const color_quad_u8* pBlock, uint& low16, u
           for (uint i = 0; i < n; i++) {
             const color_quad_u8& p = pBlock[i];
 
-            int e = v[pSelectors[i]] - p[axis];
+            uint64 e = v[pSelectors[i]] - p[axis];
 
             axis_error += e * e;
 
diff --git a/crnlib/crn_dxt_hc.cpp b/crnlib/crn_dxt_hc.cpp
index 18c9c39c..4e621f2b 100644
--- a/crnlib/crn_dxt_hc.cpp
+++ b/crnlib/crn_dxt_hc.cpp
@@ -374,10 +374,10 @@ void dxt_hc::determine_tiles_task(uint64 data, void*) {
           }
         }
 
-        for (uint8 c = m_has_color_blocks ? 0 : cAlpha0; c < cAlpha0 + m_num_alpha_blocks; c++) {
-          for (uint8 e = 0; e < 8; e++) {
+        for (uint c = m_has_color_blocks ? 0 : cAlpha0; c < cAlpha0 + m_num_alpha_blocks; c++) {
+          for (uint e = 0; e < 8; e++) {
             total_error[c][e] = 0;
-            for (uint8 t = 0, s = e + 1; s; s >>= 1, t++)
+            for (uint t = 0, s = e + 1; s; s >>= 1, t++)
               total_error[c][e] += tile_error[c][tiles[e][t]];
           }
         }
diff --git a/crnlib/crn_image_utils.cpp b/crnlib/crn_image_utils.cpp
index c5ca6f35..a8d025c1 100644
--- a/crnlib/crn_image_utils.cpp
+++ b/crnlib/crn_image_utils.cpp
@@ -570,9 +570,9 @@ bool resample_multithreaded(const image_u8& src, image_u8& dst, const resample_p
     return false;
 
   p.m_pSrc_pixels = src_samples.get_ptr();
-  p.m_src_pitch = src_width * resampler_comps * sizeof(float);
+  p.m_src_pitch = (size_t)src_width * (size_t)resampler_comps * sizeof(float);
   p.m_pDst_pixels = dst_samples.get_ptr();
-  p.m_dst_pitch = dst_width * resampler_comps * sizeof(float);
+  p.m_dst_pitch = (size_t)dst_width * (size_t)resampler_comps * sizeof(float);
 
   for (uint src_y = 0; src_y < src_height; src_y++) {
     const color_quad_u8* pSrc = src.get_scanline(src_y);
diff --git a/crnlib/crn_jpgd.cpp b/crnlib/crn_jpgd.cpp
index 7594c8ac..88d3a578 100644
--- a/crnlib/crn_jpgd.cpp
+++ b/crnlib/crn_jpgd.cpp
@@ -2431,7 +2431,7 @@ jpeg_decoder::coeff_buf* jpeg_decoder::coeff_buf_open(int block_num_x, int block
   cb->block_len_x = block_len_x;
   cb->block_len_y = block_len_y;
   cb->block_size = (block_len_x * block_len_y) * sizeof(jpgd_block_t);
-  cb->pData = (uint8*)alloc(cb->block_size * block_num_x * block_num_y, true);
+  cb->pData = (uint8*)alloc((size_t)cb->block_size * (size_t)block_num_x * (size_t)block_num_y, true);
   return cb;
 }
 
@@ -2860,7 +2860,7 @@ unsigned char* decompress_jpeg_image_from_stream(jpeg_decoder_stream* pStream, i
 
   const int dst_bpl = image_width * req_comps;
 
-  uint8* pImage_data = (uint8*)jpgd_malloc(dst_bpl * image_height);
+  uint8* pImage_data = (uint8*)jpgd_malloc((size_t)dst_bpl * (size_t)image_height);
   if (!pImage_data)
     return NULL;
 
diff --git a/crnlib/crn_jpge.cpp b/crnlib/crn_jpge.cpp
index 0c3d636f..7e0b4f8f 100644
--- a/crnlib/crn_jpge.cpp
+++ b/crnlib/crn_jpge.cpp
@@ -576,7 +576,7 @@ bool jpeg_encoder::jpg_open(int p_x_res, int p_y_res, int src_channels) {
   m_image_bpl_mcu = m_image_x_mcu * m_num_components;
   m_mcus_per_row = m_image_x_mcu / m_mcu_x;
 
-  if ((m_mcu_lines[0] = static_cast<uint8*>(jpge_malloc(m_image_bpl_mcu * m_mcu_y))) == NULL)
+  if ((m_mcu_lines[0] = static_cast<uint8*>(jpge_malloc((size_t)m_image_bpl_mcu * (size_t)m_mcu_y))) == NULL)
     return false;
   for (int i = 1; i < m_mcu_y; i++)
     m_mcu_lines[i] = m_mcu_lines[i - 1] + m_image_bpl_mcu;
diff --git a/crnlib/crn_mipmapped_texture.cpp b/crnlib/crn_mipmapped_texture.cpp
index 9e9937b2..ae549ccb 100644
--- a/crnlib/crn_mipmapped_texture.cpp
+++ b/crnlib/crn_mipmapped_texture.cpp
@@ -2758,7 +2758,7 @@ bool mipmapped_texture::read_crn_from_memory(const void* pData, uint data_size,
 
       if (!pDXT_image->init(
               dxt_fmt, level_width, level_height,
-              num_blocks_x * num_blocks_y * (tex_info.m_bytes_per_block / sizeof(dxt_image::element)),
+              (size_t)num_blocks_x * (size_t)num_blocks_y * (tex_info.m_bytes_per_block / sizeof(dxt_image::element)),
               reinterpret_cast<dxt_image::element*>(pFaces[f]), true)) {
         crnlib_delete(pDXT_image);
 
diff --git a/crnlib/crn_threaded_clusterizer.h b/crnlib/crn_threaded_clusterizer.h
index cd2acf4e..467596cd 100644
--- a/crnlib/crn_threaded_clusterizer.h
+++ b/crnlib/crn_threaded_clusterizer.h
@@ -219,7 +219,7 @@ class threaded_clusterizer {
         double sum = 0;
 
         for (uint j = 0; j < N; j++)
-          sum += axis[j] * covar[i][j];
+          sum += static_cast<double>(axis[j]) * static_cast<double>(covar[i][j]);
 
         x[i] = static_cast<float>(sum);
 
diff --git a/crnlib/crn_tree_clusterizer.h b/crnlib/crn_tree_clusterizer.h
index d6785c3b..f74cf040 100644
--- a/crnlib/crn_tree_clusterizer.h
+++ b/crnlib/crn_tree_clusterizer.h
@@ -72,7 +72,7 @@ class tree_clusterizer {
       m_weightedVectors[i] = v * (float)weight;
       root.m_centroid += m_weightedVectors[i];
       root.m_total_weight += weight;
-      m_weightedDotProducts[i] = v.dot(v) * weight;
+      m_weightedDotProducts[i] = (double)v.dot(v) * (double)weight;
       ttsum += m_weightedDotProducts[i];
     }
     root.m_variance = (float)(ttsum - (root.m_centroid.dot(root.m_centroid) / root.m_total_weight));
@@ -289,7 +289,7 @@ class tree_clusterizer {
           double sum = 0;
 
           for (uint j = 0; j < N; j++)
-            sum += axis[j] * covar[i][j];
+            sum += (double)axis[j] * (double)covar[i][j];
 
           x[i] = (float)sum;
 
@@ -464,7 +464,7 @@ void split_vectors(VectorType (&vectors)[64], uint (&weights)[64], uint size, Ve
     weightedVectors[i] = v * (float)weight;
     centroid += weightedVectors[i];
     total_weight += weight;
-    weightedDotProducts[i] = v.dot(v) * weight;
+    weightedDotProducts[i] = (double)v.dot(v) * (double)weight;
     ttsum += weightedDotProducts[i];
   }
   float variance = (float)(ttsum - (centroid.dot(centroid) / total_weight));
@@ -520,7 +520,7 @@ void split_vectors(VectorType (&vectors)[64], uint (&weights)[64], uint size, Ve
       for (uint i = 0; i < N; i++) {
         double sum = 0;
         for (uint j = 0; j < N; j++)
-          sum += axis[j] * covar[i][j];
+          sum += (double)axis[j] * (double)covar[i][j];
         x[i] = (float)sum;
         max_sum = i ? math::maximum(max_sum, sum) : sum;
       }
diff --git a/crnlib/crn_vec.h b/crnlib/crn_vec.h
index 9dcbc548..cd2b4ad2 100644
--- a/crnlib/crn_vec.h
+++ b/crnlib/crn_vec.h
@@ -475,9 +475,9 @@ class vec : public helpers::rel_ops<vec<N, T> > {
   }
 
   inline double normalize(const vec* pDefaultVec = NULL) {
-    double n = m_s[0] * m_s[0];
+    double n = (double)m_s[0] * (double)m_s[0];
     for (uint i = 1; i < N; i++)
-      n += m_s[i] * m_s[i];
+      n += (double)m_s[i] * (double)m_s[i];
 
     if (n != 0)
       *this *= static_cast<T>((1.0f / sqrt(n)));
@@ -489,7 +489,7 @@ class vec : public helpers::rel_ops<vec<N, T> > {
   inline double normalize3(const vec* pDefaultVec = NULL) {
     CRNLIB_ASSUME(N >= 3);
 
-    double n = m_s[0] * m_s[0] + m_s[1] * m_s[1] + m_s[2] * m_s[2];
+    double n = (double)m_s[0] * (double)m_s[0] + (double)m_s[1] * (double)m_s[1] + (double)m_s[2] * (double)m_s[2];
 
     if (n != 0)
       *this *= static_cast<T>((1.0f / sqrt(n)));
diff --git a/crnlib/stb_image.h b/crnlib/stb_image.h
index 9eedabed..35a8a23b 100644
--- a/crnlib/stb_image.h
+++ b/crnlib/stb_image.h
@@ -1817,7 +1817,7 @@ static stbi__uint16 *stbi__convert_format16(stbi__uint16 *data, int img_n, int r
    if (req_comp == img_n) return data;
    STBI_ASSERT(req_comp >= 1 && req_comp <= 4);
 
-   good = (stbi__uint16 *) stbi__malloc(req_comp * x * y * 2);
+   good = (stbi__uint16 *) stbi__malloc((size_t)req_comp * x * y * 2);
    if (good == NULL) {
       STBI_FREE(data);
       return (stbi__uint16 *) stbi__errpuc("outofmem", "Out of memory");
@@ -4821,7 +4821,7 @@ static int stbi__create_png_image_raw(stbi__png *a, stbi_uc *raw, stbi__uint32 r
             stbi__create_png_alpha_expand8(dest, dest, x, img_n);
       } else if (depth == 8) {
          if (img_n == out_n)
-            memcpy(dest, cur, x*img_n);
+            memcpy(dest, cur, (size_t)x * (size_t)img_n);
          else
             stbi__create_png_alpha_expand8(dest, cur, x, img_n);
       } else if (depth == 16) {
@@ -6201,7 +6201,7 @@ static void *stbi__psd_load(stbi__context *s, int *x, int *y, int *comp, int req
       out = (stbi_uc *) stbi__malloc_mad3(8, w, h, 0);
       ri->bits_per_channel = 16;
    } else
-      out = (stbi_uc *) stbi__malloc(4 * w*h);
+      out = (stbi_uc *) stbi__malloc(4 * (size_t)w * (size_t)h);
 
    if (!out) return stbi__errpuc("outofmem", "Out of memory");
    pixelCount = w*h;
@@ -6524,7 +6524,7 @@ static void *stbi__pic_load(stbi__context *s,int *px,int *py,int *comp,int req_c
    // intermediate buffer is RGBA
    result = (stbi_uc *) stbi__malloc_mad3(x, y, 4, 0);
    if (!result) return stbi__errpuc("outofmem", "Out of memory");
-   memset(result, 0xff, x*y*4);
+   memset(result, 0xff, (size_t)x * (size_t)y * 4);
 
    if (!stbi__pic_load_core(s,x,y,comp, result)) {
       STBI_FREE(result);
@@ -6833,11 +6833,11 @@ static stbi_uc *stbi__gif_load_next(stbi__context *s, stbi__gif *g, int *comp, i
       }
 
       // background is what out is after the undoing of the previou frame;
-      memcpy( g->background, g->out, 4 * g->w * g->h );
+      memcpy( g->background, g->out, 4 * (size_t)g->w * (size_t)g->h );
    }
 
    // clear my history;
-   memset( g->history, 0x00, g->w * g->h );        // pixels that were affected previous frame
+   memset( g->history, 0x00, (size_t)g->w * (size_t)g->h );        // pixels that were affected previous frame
 
    for (;;) {
       int tag = stbi__get8(s);
@@ -6991,7 +6991,7 @@ static void *stbi__load_gif_main(stbi__context *s, int **delays, int *x, int *y,
             stride = g.w * g.h * 4;
 
             if (out) {
-               void *tmp = (stbi_uc*) STBI_REALLOC_SIZED( out, out_size, layers * stride );
+               void *tmp = (stbi_uc*) STBI_REALLOC_SIZED( out, out_size, (size_t)layers * (size_t)stride );
                if (!tmp)
                   return stbi__load_gif_main_outofmem(&g, out, delays);
                else {
@@ -7007,7 +7007,7 @@ static void *stbi__load_gif_main(stbi__context *s, int **delays, int *x, int *y,
                   delays_size = layers * sizeof(int);
                }
             } else {
-               out = (stbi_uc*)stbi__malloc( layers * stride );
+               out = (stbi_uc*)stbi__malloc( (size_t)layers * (size_t)stride );
                if (!out)
                   return stbi__load_gif_main_outofmem(&g, out, delays);
                out_size = layers * stride;
diff --git a/crunch/crunch.cpp b/crunch/crunch.cpp
index 5d47ff1f..ca4f6379 100644
--- a/crunch/crunch.cpp
+++ b/crunch/crunch.cpp
@@ -958,7 +958,7 @@ class crunch {
       else {
         console::info("CRN texture info:");
 
-        console::info("Width: %u, Height: %u, Levels: %u, Faces: %u\nBytes per block: %u, User0: 0x%08X, User1: 0x%08X, CRN Format: %u",
+        console::info("Width: %u, Height: %u, Levels: %u, Faces: %u\nBytes per block: %u, User0: 0x%08X, User1: 0x%08X, CRN Format: %l",
                       tex_info.m_width,
                       tex_info.m_height,
                       tex_info.m_levels,