diff --git a/src/web/InputWaiter.js b/src/web/InputWaiter.js
index bf17eff6..0a04352e 100755
--- a/src/web/InputWaiter.js
+++ b/src/web/InputWaiter.js
@@ -275,13 +275,13 @@ InputWaiter.prototype.handleLoaderMessage = function(e) {
  */
 InputWaiter.prototype.displayFilePreview = function() {
     const inputText = document.getElementById("input-text"),
-        fileSlice = this.fileBuffer.slice(0, 2048);
+        fileSlice = this.fileBuffer.slice(0, 4096);
 
     inputText.style.overflow = "hidden";
     inputText.classList.add("blur");
     inputText.value = Utils.printable(Utils.arrayBufferToStr(fileSlice));
-    if (this.fileBuffer.byteLength > 2048) {
-        inputText.value += "[truncated]";
+    if (this.fileBuffer.byteLength > 4096) {
+        inputText.value += "[truncated]...";
     }
 };
 
diff --git a/src/web/OutputWaiter.js b/src/web/OutputWaiter.js
index db6d8cec..5543f07d 100755
--- a/src/web/OutputWaiter.js
+++ b/src/web/OutputWaiter.js
@@ -131,7 +131,7 @@ OutputWaiter.prototype.setFile = function(buf) {
 
     // Display preview slice in the background
     const outputText = document.getElementById("output-text"),
-        fileSlice = this.dishBuffer.slice(0, 2048);
+        fileSlice = this.dishBuffer.slice(0, 4096);
 
     outputText.classList.add("blur");
     outputText.value = Utils.printable(Utils.arrayBufferToStr(fileSlice));