Firefox
- Developer Mozilla
- Platforms Desktop
- Operating Systems Windows, Mac OS and Linux
- Supported formats 125
- Rating
Firefox can handle 125 different file extensions, allowing you to open, edit, and convert them to various formats. The table presents details about the program’s capabilities and compatible file extensions.
Firefox is a versatile tool supporting multiple file extensions, ideal for everyday tasks. You can open and view files in PDF, HTM, SVG, and many other formats easily.
Convert files easily with Firefox from one format to another for seamless sharing across platforms.
Access the official Mozilla website to download the newest Firefox version.
Firefox supported file formats
- File Extension 1
- File Extension 3DMLW
- File Extension 509
- File Extension ABE
- File Extension ABM
- File Extension AHTM
- File Extension AHTML
- File Extension APNG
- File Extension ASCX
- File Extension ASHX
- File Extension ASMX
- File Extension ASP
- File Extension ASPX
- File Extension AVIF
- File Extension BPG
- File Extension CACHE
- File Extension CHM
- File Extension CHTML
- File Extension CPC
- File Extension CRT
- File Extension CSHTML
- File Extension CSS
- File Extension DBM
- File Extension DEFAULTSITE
- File Extension DER
- File Extension DHTML
- File Extension DIC
- File Extension DJVU
- File Extension DMP
- File Extension DO
- File Extension DOWNLOAD
- File Extension DUMP
- File Extension EPIBRW
- File Extension EXTRA
- File Extension FAQ
- File Extension GNE
- File Extension HTC
- File Extension HTM
- File Extension HTML
- File Extension HTML5
- File Extension HTMLS
- File Extension HTM~
- File Extension IHTML
- File Extension INC
- File Extension JA
- File Extension JAR
- File Extension JHTML
- File Extension JS
- File Extension JSC
- File Extension JSM
- File Extension JSON
- File Extension JSONLZ4
- File Extension JSP
- File Extension JSPA
- File Extension JSPX
- File Extension LASSO
- File Extension LOADED_0
- File Extension LOADED_1
- File Extension LOADED_2
- File Extension LOADED_3
- File Extension LOCK
- File Extension MAFF
- File Extension MAP
- File Extension MAR
- File Extension MF
- File Extension MFL
- File Extension MHT
- File Extension MHTM
- File Extension MHTML
- File Extension MIME
- File Extension MOZ
- File Extension MOZ-BACKUP
- File Extension MOZCONFIG
- File Extension MOZLZ4
- File Extension MSPX
- File Extension NCLK
- File Extension ODO
- File Extension OGNC
- File Extension PART
- File Extension PDF
- File Extension PEM
- File Extension PGM
- File Extension PHP4
- File Extension PHT
- File Extension PHTM
- File Extension PHTML
- File Extension PROPERTIES
- File Extension RDF
- File Extension RSA
- File Extension S
- File Extension SAT
- File Extension SBSTORE
- File Extension SHLB
- File Extension SHT
- File Extension SHTM
- File Extension SHTML
- File Extension SLT
- File Extension SQLITE
- File Extension SQLITE-JOURNAL
- File Extension SRC
- File Extension SSI
- File Extension STM
- File Extension STML
- File Extension SUN
- File Extension SVG
- File Extension TBL
- File Extension TMP
- File Extension TSTREAM
- File Extension URL
- File Extension URL_
- File Extension VBD
- File Extension VML
- File Extension VTT
- File Extension WEBM
- File Extension WML
- File Extension WOFF
- File Extension WOFF2
- File Extension XBAP
- File Extension XHT
- File Extension XHTM
- File Extension XHTML
- File Extension XPI
- File Extension XPT
- File Extension XUL
- File Extension ZUL
Convert files using Firefox
Effective Solutions for Firefox Problems
Why does Firefox stop responding or crash intermittently?
Insufficient updates for developer products can cause Firefox to crash. Be sure to regularly install the latest software updates.
Restarting your computer is a crucial troubleshooting measure that can alleviate numerous common problems. Therefore, it is advisable to restart your computer before modifying any settings related to the software.
How to set Firefox as the default program to open files?
Changing the default program in Windows
- Take the first step by right-clicking on your file. Next, select "Open With" and then choose "Choose another app" from the available options;
- In the pop-up window, select the Firefox application;
- Check the "Always use this app" checkbox and click "OK".
Change default apps on Mac
- Right click or Control + left click on the desired file;
- Select "Open in application" and click "Other";
- Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
- Choose "All Programs" within this menu and locate Firefox. Check the box next to "Always open in app" to set it as the default program.
Firefox alternatives
| Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Transmute | Darq | Windows | 4.8 out of 5 (31 review) |
| MongoDB | 10gen | Windows | 4.7 out of 5 (42 reviews) |
| Feeddler RSS Reader | Che-Bin Liu | Apple iOS | 4.6 out of 5 (37 reviews) |
| Google Drive | Online Services | 4.5 out of 5 (35 reviews) | |
| Power RSS News Reader with Google Reader Sync | SciMobile | Apple iOS | 4.5 out of 5 (42 reviews) |
| BitTorrent Acceleration Tool | Download Boosters | Windows | 4.4 out of 5 (37 reviews) |
| RSSOwl | Benjamin Pasero | Windows | 4.3 out of 5 (38 reviews) |
| Transmission BitTorrent Client | Transmission Project | Linux, Mac OS | 4.3 out of 5 (38 reviews) |
| CodeLobster | CodeLobster | Windows | 4.2 out of 5 (37 reviews) |
| Dropbox | Dropbox team | Online Services | 4.1 out of 5 (37 reviews) |