The features in detail

Show logfiles

• Displays the lower part of text files (for example log files) to be always up to date
• Filter option for displaying the relevant lines
• Adjustable refresh interval to handle even large files
• Optical signal (status bar briefly turns green) when new lines of text appear
• Callable via command line - parameters like file and filter can be provided
• Robust design: After a reboot, network interruption or temporary non-existence of a file, the connection is resumed

Modify text files

• Merge many small files into one big file
• Fully or partially open extremely large files
• Remove Lines: Keep only lines that contain / do not contain a specific text, remove duplicates and much more
• Trim lines: cut from a specific text or column, extract bracketed text, and more
• Expand lines, for example, to convert a list of usernames into a list of PowerShell commands

System requirements

DisplayTool runs on Windows 7/8/10/11 (32 or 64 bit) and Server 2016/2019/2022/2025. DOTNET Framework 4 is required. DisplayTool is a portable tool, no installation is required.

New in version 2.2

• Drag&Drop: It is now possible to drag one or more files from Windows Explorer into DisplayTool.
• Change font size via mouse wheel: The font size can now be changed with Ctrl+mouse wheel. Return to the original value with Ctrl-0.
• Shorten lines: Here is now the possibility to shorten lines "field by field". The field separator - for example semicolon - can be specified.
• Several new keyboard shortcuts: F5 to refresh, F3 to jump to the selected line, Alt-. (dot) for 3-point menu, Ctrl-0 for default font size (12 pt).

Open extremely large files

With DisplayTool you are able to open extremely large text files. Even the working memory (RAM) does not limit the size, because files can also be partially opened.

Read more about how to open large text files.

FAQ

► Is DisplayTool an editor?

No. DisplayTool is a tool for displaying text files and logfiles. It also acts as "tail for windows".

► What is the maximum size allowed for files opened with DisplayTool?

Unlimited. More specifically: The size of the main memory is considered a limit. However, huge files (such as 10 GB) can also be partially opened and saved.

► How much does DisplayTool cost?

DisplayTool is not Open Source software, but free of cost - also for business use.

Download

You can download DisplayTool here as an MSI package.

Product	Version	Language	License key	Action
DisplayTool	3.0.0.24	english	not necessary

DisplayTool is provided with a digital signature of Lugrain Software GmbH. Please pay attention - only with this signature you get the real DisplayTool.

...or download from the reputable German website heise.de. Link: Tail for Windows heise.

Screenshots

The DisplayTool context menu		Filter applied

Summary

DisplayTool is a powerful utility designed specifically for system administrators who need to monitor or edit text-based log files in real time. Similar in functionality to the well-known “Tail for Windows” tool, DisplayTool continuously displays the latest lines at the end of a text file as it grows, making it ideal for observing live logs or tracking changes as they happen. In addition to basic viewing capabilities, DisplayTool offers a range of advanced filtering options to help users focus on the information that matters most. With version 3.0, the tool introduces full support for regular expressions, enabling complex and highly customizable search patterns. This makes it easier than ever to isolate specific entries, detect errors, or analyze patterns within large volumes of text data.

How to perform a network speed test? Please read the article LAN speed test tool for Windows 11.

Software: DisplayTool
Category: Tail for Windows 10 / Tail for Windows 11 / Tail for Windows 7 / Open large text files