diff --git a/vasl_templates/webapp/downloads.py b/vasl_templates/webapp/downloads.py
index bdbd4b3..907643b 100644
--- a/vasl_templates/webapp/downloads.py
+++ b/vasl_templates/webapp/downloads.py
@@ -14,7 +14,7 @@ import datetime
 import logging
 
 from vasl_templates.webapp import app, globvars
-from vasl_templates.webapp.utils import parse_int
+from vasl_templates.webapp.utils import parse_int, friendly_byte_count
 
 _registry = set()
 _logger = logging.getLogger( "downloads" )
@@ -90,7 +90,7 @@ class DownloadedFile:
         self._lock.release()
 
     @staticmethod
-    def download_files():
+    def download_files(): #pylint: disable=too-many-locals
         """Download fresh copies of each file."""
         #pylint: disable=protected-access
 
@@ -142,10 +142,15 @@ class DownloadedFile:
                     with urllib.request.urlopen( req ) as resp:
                         resp_data = resp.read()
                         if resp.headers.get( "Content-Encoding" ) == "gzip":
+                            gzip_byte_count_str = " ({})".format( friendly_byte_count( len(resp_data) ) )
                             resp_data = gzip.decompress( resp_data )
+                        else:
+                            gzip_byte_count_str = ""
                         data = resp_data.decode( "utf-8" )
                         etag = resp.headers.get( "ETag" )
-                    _logger.info( "Downloaded the %s file OK: %d bytes", df.key, len(data) )
+                    _logger.info( "Downloaded the %s file OK: %s", df.key,
+                        friendly_byte_count( len(data) ) + gzip_byte_count_str
+                    )
                     if etag:
                         _logger.debug( "- Got etag: %s", etag )
                         _etags[ url ] = etag
diff --git a/vasl_templates/webapp/utils.py b/vasl_templates/webapp/utils.py
index 2b67950..21ee7a2 100644
--- a/vasl_templates/webapp/utils.py
+++ b/vasl_templates/webapp/utils.py
@@ -322,6 +322,22 @@ def friendly_fractions( val, postfix=None, postfix2=None ):
         val = "{} {}".format( val, postfix2 )
     return val[1:] if val.startswith( "0&" ) else val
 
+def friendly_byte_count( nbytes ):
+    """Return a byte count as a friendly string."""
+    if nbytes < 1024:
+        return plural( nbytes, "byte" )
+    if nbytes < 1024 * 1024:
+        return "{:.1f} KB".format( nbytes / 1024 )
+    if nbytes < 1024 * 1024 * 1024:
+        return "{:.1f} MB".format( nbytes / 1024 / 1024 )
+    return "{:.1f} GB".format( nbytes / 1024 / 1024 / 1024 )
+
+def plural( n, val1, val2=None ):
+    """Return a pluralized string."""
+    if n == 1:
+        return "1 {}".format( val1 )
+    return "{:,} {}".format( n, val2 or val1+"s" )
+
 # ---------------------------------------------------------------------
 
 _MONTH_NAMES = [ # nb: we assume English :-/