LESS File Extension

File Type

LESS Style Sheet


Alexis Sellier


Web Files





Basic information about the LESS file

Files with the LESS extension are found in 3 operating systems which include Linux, Mac OS, Windows. The LESS extension was originally developed for the Middleman application. The developer of this program is Thomas Reynolds. In addition, the LESS programs can be used to open files with the LESS extension.

The structure of such files is typical of Web Files. The LESS file extension can also be found in 303 in other file types and may not be supported by Middleman or similar programs. LESS Style Sheet is a file whose format was originally developed for the Middleman application by Alexis Sellier. The LESS Style Sheet file was most likely created using the Middleman program.

Choose the right tool

LESS File Extension

LESS File Tools

What tools are we dealing with?

We present some basic free online tools that work with LESS. With their help you will be able to perform many operations on LESS files. You can easily convert the file, preview its contents, or open and edit any LESS file.

LESS File Opener

LESS opener is one of the most used tools. You will learn a few ways to open your LESS file. Opening the LESS file allows you not only to view its contents, but also to perform various processes and changes to the file.

LESS File Viewer

LESS Viewer is a type of tool that will allow you to preview the content of a LESS file online, without installing any specialized software. Go to the subpage, select your LESS file you want to view and our tool will show you what the file contains

LESS File Converter

If you cannot perform all the operations on the LESS file, you can convert it to a different format. The LESS file converted to the new format may have more options for editing or processing the data contained in it.

LESS File Editor

If you want to edit the content of LESS file, please use LESS editor. If you need to be able to edit the LESS file as much as possible, then it is best to install special software designed for this purpose. Check out our LESS file editor page and learn about the possibilities



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