What are common file extensions for web programming languages?

user_90025 0
Viewed 34773

What file extensions are used most commonly by different languages? Please don't put source file names (like .java) but rather extensions that would be present in a URL for rendered pages.

Here is my (alphabetized) list so far

  • ASP Classic
  • asp
  • ASP.NET
  • aspx
  • axd
  • asx
  • asmx
  • ashx
  • CSS
  • css
  • Coldfusion
  • cfm
  • Erlang
  • yaws
  • Flash
  • swf
  • HTML
  • html
  • htm
  • xhtml
  • jhtml
  • Java
  • jsp
  • jspx
  • wss
  • do
  • action
  • JavaScript
  • js
  • Perl
  • pl
  • PHP
  • php
  • php4
  • php3
  • phtml
  • Python
  • py
  • Ruby
  • rb
  • rhtml
  • SSI
  • shtml
  • TS
  • XML
  • xml
  • rss
  • svg
  • Other (C, perl etc.)
  • cgi
  • dll

Any more? I'll keep updating this based on comments. Largest correct additions (or deletions) is the accepted answer.

Aside: This is for comparing language use online: http://blog.paulisageek.com/2009/10/file-extensions-on-internet.html

language-agnostic programming-languages file-extension
19 Answers

IE specific strangeness:

  • .hta — html application
  • .htc — html components, allows you to alter IE behavior at runtime, from you website!

Also XML:

  • .svg — it's not just an image format!
user_1677350

-SSI (Server Side Includes), use the extension .shtml

user_35131710

.java .cs and .i_am_kidding_i_read_the_question.

On the serious side, swf (Flash) get hidden by the JS that loads them, generally, but they are extensions usually seen by the client. This is a limit case because it's not like JPEG (doesn't allow for web programming) nor like Javascript. But then, neither is PHP/ASP/JSP because from the client side it's just markup :)

user_80470
  • .cs ----> C#
  • .kt ----> Kotlin
user_47808270
Related