AlphaRune by Garbanzo Unlimited

Browser extension to convert the Latin alphabet to and from runes

Supports the following rune sets:
* Elder Futhark
ᛒᚱᛟᚹᛊᛖᚱ ᛖᚲᛊᛏᛖᚾᛊᛁᛟᚾ ᛏᛟ ᚲᛟᚾᚹᛖᚱᛏ ᛏᚺᛖ ᛚᚨᛏᛁᚾ ᚨᛚᛈᚺᚨᛒᛖᛏ ᛏᛟ ᚨᚾᛞ ᚠᚱᛟᛗ ᚱᚢᚾᛖᛊ

* Anglo-Saxon (Futhorc)
ᛒᚱᚩᚹᛋᛖᚱ ᛖᛉᛏᛖᚾᛋᛁᚩᚾ ᛏᚩ ᚳᚩᚾᚹᛖᚱᛏ ᛏᚻᛖ ᛚᚪᛏᛁᚾ ᚪᛚᛈᚻᚪᛒᛖᛏ ᛏᚩ ᚪᚾᛞ ᚠᚱᚩᛗ ᚱᚢᚾᛖᛋ

* Younger Futhark (Long-branch)
ᛒᚱᚢᚢᛋᛁᚱ ᛁᚴᛋᛏᛁᚾᛋᛁᚢᚾ ᛏᚢ ᚴᚢᚾᚠᛁᚱᛏ ᛏᚼᛁ ᛚᛅᛏᛁᚾ ᛅᛚᛒᚼᛅᛒᛁᛏ ᛏᚢ ᛅᚾᛏ ᚠᚱᚢᛘ ᚱᚢᚾᛁᛋ

* Younger Futhark (Short-twig)
ᛓᚱᚢᚢᛌᛁᚱ ᛁᚴᛌᛐᛁᚿᛌᛁᚢᚿ ᛐᚢ ᚴᚢᚿᚠᛁᚱᛐ ᛐᚽᛁ ᛚᛆᛐᛁᚿ ᛆᛚᛓᚽᛆᛓᛁᛐ ᛐᚢ ᛆᚿᛐ ᚠᚱᚢᛙ ᚱᚢᚿᛁᛌ

* Medieval (Futhork)
ᛒᚱᚮᚥᛌᛂᚱ ᛂᛪᛐᛂᚿᛌᛁᚮᚿ ᛐᚮ ᛍᚮᚿᚠᛂᚱᛐ ᛐᚼᛂ ᛚᛆᛐᛁᚿ ᛆᛚᛔᚼᛆᛒᛂᛐ ᛐᚮ ᛆᚿᛑ ᚡᚱᚮᛘ ᚱᚢᚿᛂᛌ

* Ogham
᚛ᚁᚏᚑᚃᚄᚓᚏ ᚓᚕᚈᚓᚅᚄᚔᚑᚅ ᚈᚑ ᚉᚑᚅᚃᚓᚏᚈ ᚈᚆᚓ ᚂᚐᚈᚔᚅ ᚐᚂᚚᚆᚐᚁᚓᚈ ᚈᚑ ᚐᚅᚇ ᚃᚏᚑᚋ ᚏᚒᚅᚓᚄ᚜
[Ogham is Irish and runes are Germanic, but the functionality is included regardless]