Opening LD Files

The LD file type is primarily associated with MoTeC i2 Pro.

LD	File extension: LD
	File type:	data file

What is an LD file?

LD files mostly belong to MoTeC i2 Pro. An LD file is not tied to one single function; it is used in several distinct fields.
For instance, some LD files store telemetry data collected during racing events. In this case, they are produced by systems such as MoTeC i2 Pro and contain detailed vehicle performance data used in applications like iRacing.
Other LD files serve as linker scripts in software development. These text-based files provide instructions to linkers (for example, those from GNU Binutils or GCC) on how to place code and data in the final executable.
Additional variants include files used for laser drawing or label definitions (as seen in FoxPro systems), device log files (like those from Apple or Dinstar systems), and even configuration files in JSON format as used with LearnDash.
In industrial and control settings, some LD files hold ladder diagram data for programmable logic controller (PLC) programming with tools such as LDmicro.
Because the LD extension is applied in multiple environments, the file’s structure depends on its origin.

Examine the file using a plain text editor to see if it contains readable text or specific command headings.

Search for terms such as 'linker', 'telemetry', or 'ladder' to help identify its purpose.

If the file appears formatted for a particular application, use the corresponding software (for example, visit GNU Binutils, GCC, LDmicro or LearnDash to find more specific tools).

How to open an LD file

You need a suitable software like MoTeC i2 Pro to open an LD file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your LD file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a LD file directly in the browser:. Just drag the file onto this browser window and drop it.

Online LD Text Viewer

Choose your .ld file to analyze

or drag and drop it here

Online File Viewer

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LD file format:

The file format determines how the data is stored in the file. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So a detailed analysis of a file is vital in order to determine the format and the associated program. Below you will find our evaluation of the LD files:

An LD file includes different formats for the applicable programs. The file formats most commonly found in LD files are:

• 25% of all LD files use the same file format, which have the signature 40 00 00 00. These are binary files, so they do not contain words or text. The average file size is 5 MB with most files being between 570 KB and 22 MB in size. This file type is based on cutting-edge technology. Such files are related to data, stint, vantage, sample, imola and monza.
• 10% of all LD files are Polycom SoundPoint IP firmware files. These are binary files, so they do not contain words or text. LD files are between 2 MB and 52 MB in size. The following keywords are characteristic: Config, Iter, Flash, AppType, BuildID, Gpio, PhoneType, SigKey, TargetFlash and Region. These files are attributed to bootrom and updater.

All other LD files (65%) have no uniform format, such as LDmicro and UnPFv. These files sometimes refer to docx, sdcram, plan, service or zadaca. If you want to find out what your LD file contains, drag and drop it onto this page.