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Heartsome TMX Editor 8.0

Heartsome TMX Editor 8.0 is a powerful TM maintenance tool for all CAT software. It provides many useful and practical functions besides common editing features, allowing you to perform TM maintenance tasks easily, simply and all with one tool.

System Requirements

  • Operating System: Microsoft Windows XP/2003/Vista/7/8, Mac OS X 10.4+ (Universal), a variety of Linux versions Java Runtime: Sun Microsystems Java 1.6.x or later
  • Disk space: at least 100 MB of free space, 200 MB free space recommended if on system partition, 1GB or more of free space recommended in data partitions depending on your data volume.
  • System Memory: 1GB or higher
  • Processor: 1 Ghz or faster x86 or x64 processor


Heartsome TMX Editor provides lots of useful and practical TM maintenance editing features. All best features are already here!

Edit super-sized TMX files

Designed to handle big TMX files, allowing you to easily edit the contents and various TU attributes of an entire TMX or TM.

Conditional filters

Convenient filters that help you isolate segments with inconsistent translations, invalid characters or untranslated segments, to name a few.

Customized filters

Create your own customized filters so you can filter out segments with any default or customized attributes. Then you can modify, correct, delete or export these filtered segments as needed.

Batch TM maintenance

Manage your TMs automatically with batch tasks. For example, delete duplicate segments (only the latest instance will be kept), old inconsistent translations and untranslated segments with just one simple operation.

Clean tags with one click

Clean all tag and formatting information in your TMX files with just one click, helping you to increase your TM matches and TM stability.

Convert bilingual files to or from TMX

A new TMX converter helps you convert all kinds of bilingual file formats, such as Word / tab-separated TXT / Excel to TMX/TBX/HSTM/HSTB, or vice versa.


Makes QA a simple task by providing you with a list of QA checks that you can choose to perform on your TMX files.

Cross-platform support

Various operating systems, such as Windows, Mac and Linux are supported. This means TMX files created by CAT software on any of these OSes will be compatible.

Heartsome TM support

Supports all types of TM from Heartsome Translation Studio, including desktop-based TMs (*.hstm) and various server-based TMs.

Download open-source version


Blog article

Tutorial videos


What TMX versions does Heartsome TMX Editor 8.0 support?"

Answer: It supports TMX v1.2, v1.3, v1.4a, v1.4b.

Does Heartsome TMX Editor 8.0 support TMX files with unicode-16 encoding?

Answer: It supports TMX files with any encoding and can convert from one TMX file encoding to any other specified encoding.

How do I install Heartsome TMX Editor 8.0?

Answer: Simply unzip the downloaded zip package and then run the executable file in the folder. No installation is needed. Please note that if your operating system is Microsoft Windows 7 or 8, you will need to select Run as Administrator from the context menu.


GPL v2.0 License.

Copyright (C) 2007-2014 Heartsome Technologies Ltd.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.