Loper · DITs & camera departments

Open .mhl files on your Mac.

.mhl ascmhl_chain.xml

Offload verification lists with file paths, sizes and xxHash or MD5 hashes. Tags, attributes and values each in their own color.

Loper is a free, minimal editor for macOS that opens Media Hash List (MHL / ASC MHL) instantly and colors every part of the file, so you find the value you need at a glance and can fix it right there. No IDE, no project to load, no gray wall of text.

A001_2026-10-25.mhl opened in Loper: Media Hash List (MHL / ASC MHL) with color-coded XML
Show the file as text
<?xml version="1.0" encoding="UTF-8"?><hashlist version="1.1">  <creatorinfo>    <tool>Offload Manager 4</tool>    <startdate>2026-10-25T18:02:11Z</startdate>  </creatorinfo>  <hash>    <file>A001C003_261025_R1AB.mov</file>    <size>4831838208</size>    <xxhash64be>9f2c4e1a77b03d58</xxhash64be>    <hashdate>2026-10-25T18:09:47Z</hashdate>  </hash></hashlist>

How to open .mhl files

  1. Download Loper (free, Apple silicon, signed and notarized) and move it to Applications.
  2. Double-click your .mhl file, drag it onto the Loper window, or right-click it and choose Open With › Loper.
  3. Want every .mhl file to open in Loper? Choose Loper › Make Loper the Default Editor….