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LESS File Extension

The LESS file extension was created by Alexis Sellier and is also known as the LESS Style Sheet. LESS is classified as a Web Files and You can open and render the contents of this file in a Text Editor. You can open LESS files in LESS program.

LESS Style Sheet File Type

LESS Style Sheet File Type
Extension .less
Developer Alexis Sellier
Popularity 5.0 (1 Votes)
Mime Type application/vnd.hhe.lesson-player
Default Program LESS
Category Web Files
Format Text
Updated 7/1/2025

What is a LESS File Type?

Free Online LESS Tools & Apps

Access powerful and secure free online LESS tools to convert, view, edit, merge, split, and compare LESS files — all without installing any software. Our tools support the .LESS (LESS Style Sheet) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your LESS files directly from your device with ease.

LESS Files Common Issues

There are few common issues with the LESS Style Sheet .LESS File Extensions while opening the .LESS files on Windows and MacOs, we have solution to those issues such as:

Can't Open LESS Files?

  1. You must have supported software programs installed for LESS Style Sheet on your system such as LESS.
  2. Associate default Less LESS program for *.less (LESS Style Sheet) files.

    Associate LESS Default Program on Windows
    1. Right-click a *.LESS (e.g example.less) file and click Open With.
    2. In the Open with dialog box, click Less LESS program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .less files.

    Associate LESS Default Program on MacOs
    1. Click *.LESS (e.g example.less) file and click information -> Open With.
    2. In the programs list, click Less LESS program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .LESS extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related LESS File Extensions

LESS default file extension is .LESS and other similer related extensions are:

All Platform Software Programs for LESS File Extension

List of all softwares that can open the LESS files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open LESS File on Windows

Software License Developer
LESS image. LESS 000 for Windows Free LESS
Sendmail image. Sendmail 000 for Windows Free Sendmail

MacOs logo image - FileProInfo.comOpen LESS File on Mac OS

Software License Developer
LESS image. LESS 000 for MacOs Free LESS
Sendmail image. Sendmail 000 for MacOs Free Sendmail

Linux logo image - FileProInfo.comOpen LESS file on Linux

Software License Developer
LESS image. LESS 000 for Linux Free LESS
Sendmail image. Sendmail 000 for Linux Free Sendmail

Website logo image - FileProInfo.comOpen LESS file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen LESS file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen LESS file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

LESS file extension icon image.About LESS - LESS Style Sheet

FileProInfo is to help you understand about the LESS Style Sheet with *.LESS suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for LESS. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for LESS, please let us know.

Updated 7/1/2025