diff --git a/config/sample-databases/DefaultConfiguration/cloudbeaver.conf b/config/sample-databases/DefaultConfiguration/cloudbeaver.conf
index c534259957..d436fb50d1 100644
--- a/config/sample-databases/DefaultConfiguration/cloudbeaver.conf
+++ b/config/sample-databases/DefaultConfiguration/cloudbeaver.conf
@@ -46,7 +46,9 @@
             dataExportFileSizeLimit: 10000000,
             sqlMaxRunningQueries: 100,
             sqlResultSetRowsLimit: 100000,
-            sqlResultSetMemoryLimit: 2000000
+            sqlResultSetMemoryLimit: 2000000,
+            sqlTextPreviewMaxLength: 4096,
+            sqlBinaryPreviewMaxLength: 261120,
         },
 
         disabledDrivers: [
diff --git a/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/service/sql/WebSQLConstants.java b/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/service/sql/WebSQLConstants.java
index 434eb10ba8..ec5a2ea1b1 100644
--- a/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/service/sql/WebSQLConstants.java
+++ b/server/bundles/io.cloudbeaver.model/src/io/cloudbeaver/service/sql/WebSQLConstants.java
@@ -24,9 +24,11 @@ public class WebSQLConstants {
     public static final String QUOTA_PROP_ROW_LIMIT = "sqlResultSetRowsLimit";
     public static final String QUOTA_PROP_MEMORY_LIMIT = "sqlResultSetMemoryLimit";
     public static final String QUOTA_PROP_QUERY_LIMIT = "sqlMaxRunningQueries";
+    public static final String QUOTA_PROP_TEXT_PREVIEW_MAX_LENGTH = "sqlTextPreviewMaxLength";
+    public static final String QUOTA_PROP_BINARY_PREVIEW_MAX_LENGTH = "sqlBinaryPreviewMaxLength";
 
-    public static final int BINARY_PREVIEW_LENGTH = 255;
-    public static final int BINARY_MAX_LENGTH = 1 * 1024 * 1024;
+    public static final int TEXT_PREVIEW_MAX_LENGTH = 4 * 1024;
+    public static final int BINARY_PREVIEW_MAX_LENGTH = 255 * 1024;
 
     public static final String VALUE_TYPE_ATTR = "$type";
 
diff --git a/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBAppConfig.java b/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBAppConfig.java
index afd385e881..63776e94ae 100644
--- a/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBAppConfig.java
+++ b/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBAppConfig.java
@@ -294,6 +294,14 @@ public class CBAppConfig implements WebAppConfiguration {
         return (T) resourceQuotas.get(quotaId);
     }
 
+    public <T> T getResourceQuota(String quotaId, T defaultValue) {
+        if (resourceQuotas.containsKey(quotaId)) {
+            return (T) resourceQuotas.get(quotaId);
+        } else {
+            return defaultValue;
+        }
+    }
+
 
     ////////////////////////////////////////////
     // Auth provider configs
diff --git a/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/sql/WebSQLUtils.java b/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/sql/WebSQLUtils.java
index 5c52ccd753..964f65ee6d 100644
--- a/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/sql/WebSQLUtils.java
+++ b/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/service/sql/WebSQLUtils.java
@@ -18,9 +18,10 @@ package io.cloudbeaver.service.sql;
 
 import io.cloudbeaver.model.session.WebSession;
 import io.cloudbeaver.registry.WebServiceRegistry;
+import io.cloudbeaver.server.CBAppConfig;
+import io.cloudbeaver.server.CBApplication;
 import io.cloudbeaver.utils.CBModelConstants;
 import org.jkiss.code.NotNull;
-import org.jkiss.dbeaver.DBException;
 import org.jkiss.dbeaver.Log;
 import org.jkiss.dbeaver.model.data.*;
 import org.jkiss.dbeaver.model.data.storage.ExternalContentStorage;
@@ -41,7 +42,6 @@ import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.math.BigDecimal;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
 import java.util.*;
 
 /**
@@ -156,14 +156,25 @@ public class WebSQLUtils {
             byte[] binaryValue = ContentUtils.getContentBinaryValue(session.getProgressMonitor(), value);
             if (binaryValue != null) {
                 byte[] previewValue = binaryValue;
-                if (previewValue.length > WebSQLConstants.BINARY_PREVIEW_LENGTH) {
-                    previewValue = Arrays.copyOf(previewValue, WebSQLConstants.BINARY_PREVIEW_LENGTH);
+                // gets parameters from the configuration file
+                CBAppConfig config = CBApplication.getInstance().getAppConfiguration();
+                // the max length of the text preview
+                int textPreviewMaxLength = CommonUtils.toInt(
+                    config.getResourceQuota(
+                        WebSQLConstants.QUOTA_PROP_TEXT_PREVIEW_MAX_LENGTH,
+                        WebSQLConstants.TEXT_PREVIEW_MAX_LENGTH));
+                if (previewValue.length > textPreviewMaxLength) {
+                    previewValue = Arrays.copyOf(previewValue, textPreviewMaxLength);
                 }
                 map.put(WebSQLConstants.ATTR_TEXT, GeneralUtils.convertToString(previewValue, 0, previewValue.length));
-
+                // the max length of the binary preview
+                int binaryPreviewMaxLength = CommonUtils.toInt(
+                    config.getResourceQuota(
+                        WebSQLConstants.QUOTA_PROP_BINARY_PREVIEW_MAX_LENGTH,
+                        WebSQLConstants.BINARY_PREVIEW_MAX_LENGTH));
                 byte[] inlineValue = binaryValue;
-                if (inlineValue.length > WebSQLConstants.BINARY_MAX_LENGTH) {
-                    inlineValue = Arrays.copyOf(inlineValue, WebSQLConstants.BINARY_PREVIEW_LENGTH);
+                if (inlineValue.length > binaryPreviewMaxLength) {
+                    inlineValue = Arrays.copyOf(inlineValue, textPreviewMaxLength);
                 }
                 map.put(WebSQLConstants.ATTR_BINARY, Base64.encode(inlineValue));
             } else {