diff --git a/lib/compress/zstd_compress.c b/lib/compress/zstd_compress.c
index 6b079d3fa..1490b044a 100644
--- a/lib/compress/zstd_compress.c
+++ b/lib/compress/zstd_compress.c
@@ -485,6 +485,11 @@ ZSTD_bounds ZSTD_cParam_getBounds(ZSTD_cParameter param)
         bounds.lowerBound = 0;
         bounds.upperBound = 1;
         return bounds;
+    
+    case ZSTD_c_splitBlocks:
+        bounds.lowerBound = 0;
+        bounds.upperBound = 1;
+        return bounds;
 
     default:
         bounds.error = ERROR(parameter_unsupported);
@@ -547,6 +552,7 @@ static int ZSTD_isUpdateAuthorized(ZSTD_cParameter param)
     case ZSTD_c_stableOutBuffer:
     case ZSTD_c_blockDelimiters:
     case ZSTD_c_validateSequences:
+    case ZSTD_c_splitBlocks:
     default:
         return 0;
     }
@@ -599,6 +605,7 @@ size_t ZSTD_CCtx_setParameter(ZSTD_CCtx* cctx, ZSTD_cParameter param, int value)
     case ZSTD_c_stableOutBuffer:
     case ZSTD_c_blockDelimiters:
     case ZSTD_c_validateSequences:
+    case ZSTD_c_splitBlocks:
         break;
 
     default: RETURN_ERROR(parameter_unsupported, "unknown parameter");
@@ -810,6 +817,11 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,
         CCtxParams->validateSequences = value;
         return CCtxParams->validateSequences;
 
+    case ZSTD_c_splitBlocks:
+        BOUNDCHECK(ZSTD_c_splitBlocks, value);
+        CCtxParams->splitBlocks = value;
+        return CCtxParams->splitBlocks;
+
     default: RETURN_ERROR(parameter_unsupported, "unknown parameter");
     }
 }
@@ -933,6 +945,9 @@ size_t ZSTD_CCtxParams_getParameter(
     case ZSTD_c_validateSequences :
         *value = (int)CCtxParams->validateSequences;
         break;
+    case ZSTD_c_splitBlocks :
+        *value = (int)CCtxParams->splitBlocks;
+        break;
     default: RETURN_ERROR(parameter_unsupported, "unknown parameter");
     }
     return 0;
@@ -3293,14 +3308,15 @@ static size_t ZSTD_compressBlock_internal(ZSTD_CCtx* zc,
         nbSeq = (size_t)(zc->seqStore.sequences - zc->seqStore.sequencesStart);
     }
 
-    if (nbSeq >= 2) {
+    zc->appliedParams.splitBlocks = 1; /* remove */
+    if (zc->appliedParams.splitBlocks && nbSeq >= 2) {
         size_t splitBlocksCompressedSize;
         splitBlocksCompressedSize = ZSTD_compressBlock_splitBlock(zc, dst, dstCapacity, src, srcSize, frame, lastBlock, nbSeq);
         if (splitBlocksCompressedSize != 0) {
             return splitBlocksCompressedSize;
         }
     }
-    
+
     /* encode sequences and literals */
     cSize = ZSTD_entropyCompressSequences(&zc->seqStore,
             &zc->blockState.prevCBlock->entropy, &zc->blockState.nextCBlock->entropy,
diff --git a/lib/compress/zstd_compress_internal.h b/lib/compress/zstd_compress_internal.h
index 303f8fecc..48b6c0841 100644
--- a/lib/compress/zstd_compress_internal.h
+++ b/lib/compress/zstd_compress_internal.h
@@ -312,6 +312,9 @@ struct ZSTD_CCtx_params_s {
     ZSTD_sequenceFormat_e blockDelimiters;
     int validateSequences;
 
+    /* Block splitting */
+    int splitBlocks;
+
     /* Internal use, for createCCtxParams() and freeCCtxParams() only */
     ZSTD_customMem customMem;
 };  /* typedef'd to ZSTD_CCtx_params within "zstd.h" */
diff --git a/lib/zstd.h b/lib/zstd.h
index 69b1a9bea..8047effa0 100644
--- a/lib/zstd.h
+++ b/lib/zstd.h
@@ -419,6 +419,7 @@ typedef enum {
      * ZSTD_c_stableOutBuffer
      * ZSTD_c_blockDelimiters
      * ZSTD_c_validateSequences
+     * ZSTD_c_splitBlocks
      * Because they are not stable, it's necessary to define ZSTD_STATIC_LINKING_ONLY to access them.
      * note : never ever use experimentalParam? names directly;
      *        also, the enums values themselves are unstable and can still change.
@@ -434,7 +435,8 @@ typedef enum {
      ZSTD_c_experimentalParam9=1006,
      ZSTD_c_experimentalParam10=1007,
      ZSTD_c_experimentalParam11=1008,
-     ZSTD_c_experimentalParam12=1009
+     ZSTD_c_experimentalParam12=1009,
+     ZSTD_c_experimentalParam13=1010
 } ZSTD_cParameter;
 
 typedef struct {
@@ -1834,6 +1836,13 @@ ZSTDLIB_API size_t ZSTD_CCtx_refPrefix_advanced(ZSTD_CCtx* cctx, const void* pre
  */
 #define ZSTD_c_validateSequences ZSTD_c_experimentalParam12
 
+/* ZSTD_c_splitBlocks
+ * Default is 0 == disabled. Set to 1 to enable block splitting.
+ * 
+ * Will attempt to split blocks in order to improve compression ratio at the cost of speed.
+ */
+#define ZSTD_c_splitBlocks ZSTD_c_experimentalParam13
+
 /*! ZSTD_CCtx_getParameter() :
  *  Get the requested compression parameter value, selected by enum ZSTD_cParameter,
  *  and store it into int* value.