Web browser without installation.
Download Portable Nightly 32-64 MultiVersion en-US Online (0.4 MB)
In first screen enter Version Number: 18.0a1
Download Portable Aurora MultiVersion Multilingual Online (0.4 MB)
Select language and enter Version Number:17.0a2
Download Portable Firefox MultiVersion Multilingual Online (0.4 MB)
Select language and enter Version Number:16.0b1 or 15.0 or 10.0.7esr or 3.6.28
Final and Beta use same launcher and profile but Aurora and Nightly have their own.
Results in
Acid3 Test : 100 %
Optimized Firefox Browser without installation.
Download Portable Pale Moon 15.x 32-64 bit Multilingual Online (0.4 MB)
Select language and enter Version Number : 15.0
On first run, check allow Language Pack installation, click on Continue but close and restart by launcher.
Download Portable Pale Moon 3.6.x Multilingual Online (0.4 MB)
Select language and enter Version Number : 3.6.32
PasswordFox 1.31 for Firefox Portable.
Download PasswordFox Multilingual Online (0.4 MB)
Extract and run PasswordFoxPortable.
Flash Plugin
Can use Java Runtime Environment Portable
Multilingual Online will download setup in selected language (Afrikaans, Arabic, Belarusian, Bulgarian, Catalan, Czech, Danish, German, Greek, English, SpanishInternational, Spanish, Basque, Finnish, French, Irish, Hebrew, Hungarian, Italian, Japanese, Korean, Kurdish, Lithuanian, Macedonian, Mongolian, Norwegian, Dutch, NorwegianNynorsk, Polish, PortugueseBR, Portuguese, Romanian, Russian, Slovak, Slovenian, Swedish, Turkish, Ukrainian, SimpChinese, TradChinese) and extract files.
Extract and run FirefoxPortable or PaleMoonPortable (both have their own profile).
Settings of installed Firefox should be preserved.
Multi-Users: change Profile by editing FirefoxPortable.ini or PaleMoonPortable.ini with User=NameOfNewUser
Associated to Thunderbird Portable if FirefoxPortable and ThunderbirdPortable folders are in the same folder. A click on a mailto link in FirefoxPortable open a new mail in ThunderbirdPortable.