Up & Coming Extensions

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Surface Area of a Sphere

Computes surface area of sphere based on given radius of the sphere. Also calculates Volume.

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1 user

Eve Online Character Status 1.5.1.1 Requires Restart

This is a upgrade of 1.5.1 version not updated by the original creators.

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5 users

Repto Control - User Requires Restart

Steuerung für Reptobot

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8 users

Escuela Secundaria Eugenio Elorduy Gallastgui Requires Restart

Esta es la primera de muchas extenciones para mozilla firefox de Hugo Gonzalez

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1 user

SentryDNS

For SentryDNS Subscribers.

Not yet rated
9 users

Online Chess Games

Play Online Chess Games with Computer, with your friends or with other across the world.

Rated 5 out of 5 stars (1)
158 users

Online Jigsaw Puzzles

Many Different Jigsaw Puzzles to be solved on-line

Rated 2 out of 5 stars (1)
334 users

Test Speed

Test internet download speed by downloading image from any of your frequently visited sites. Provide image link and size for test

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425 users

myTrain-collection Requires Restart

myTrain-collection is a software that allows you to manage your collection. Specially designed for railway modellers, you can create your cards containing the information of your miniature models.

Rated 3 out of 5 stars (1)
10 users

login

a basic add-on

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11 users

motest

a basic add-on

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1 user

Logical Games

Play following Logical Games
Animation Puzzle,
Minesweeper,
Divide,
Gravity Stacker,
Invisible Cursor,
Isoball,
Jigsaw,
Kaleidoscope,
Maze Race,
Peg Solitaire,
Slider Puzzle,
Sliding Blocks,
Spot The Difference,
Tritris(Tri Tetris)

Rated 1 out of 5 stars (1)
188 users

QuickSyn Requires Restart

Ever tired of searching Google for finding out the synonym of a word...Try out this add-on, it saves you the time as you can view the synonym of the word by just selecting and right clicking on it ! Moreover this addon does not rely on the internet !

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9 users

RedditBooru Compatible with Firefox 57+

Browser extension for RedditBooru

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73 users

Restart FF Button Requires Restart

Add 'Ying-Yang' Restart Button to toolbar to facilitate the Restart of Firefox.

Rated 5 out of 5 stars (6)
122 users

Online Picture Games and Puzzles

Play with pictures to solve puzzles and solve puzzles to create pictures.
Can the puzzles be made using pictures? Or can pictures be made after solving puzzles. The answer to both the questions is yes and one will find both types of puzzles here.

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9 users

Volume of a Cylinder

Compute volume of a cylinder given radius of base and height of the cylinder.

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7 users

Replace Translator

Rewrite the selection in translation. Replace or Insert can translate into foreign languages using. More than 36 different languages to be used immediately with no configuration.

Rated 3 out of 5 stars (8)
715 users

ReDisposition

Override http header Content-Disposition

Rated 5 out of 5 stars (7)
518 users

Educational Games

Educational Games, Clueless Crossword, Math Lines, Cup Stacking, Missing Jigsaw, Musical Notes, Math Search, SEEK and Find, Crossword, Word Scramble, Broken Words, Code Breaking, Periodic Table, Memory Game, Clueless Crossword ,Color Mixing, Sudoku.

Rated 1 out of 5 stars (1)
72 users