The top 25 most used Firefox add-on in Abstract category

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Add-ons (also known as extensions) are small programs that run inside web browsers like Mozilla Firefox. They add extra features to the browser without having to download anything new. You can use extensions to make browsing faster, easier, and safer. Some extensions even let you do things like translate text on websites, search the web, and play games.

There are over 28,000 Firefox-addons and 480,000 themes, making it hard to find the best ones. so we have created a way to sort through all of them. Use the dropdown above to set different filters. Add-ons are sorted by number of active users.

To set even more advanced filters, and sort the Firefox add-ons differently, please visit our Advanced search tool. Note that Advanced search tool is only available to premium members.

#1, Aurora Borealis Delights

Scarletta

Aurora Borealis Delights - Northern Lights inspired theme with many translucent elements in the UI. Be delighted with the stunning sights, right inside your browser! Based on https://addons.mozilla.org/en-US/firefox/addon/rainbow-blur-evolution/

4.82 (50)

21,500

#2, 3DTriangles

FoXUser

A firefox theme with 3D Objets and transparent design

4.63 (30)

14,762

#3, Modern Theme

All4You

The Modern Theme aims for a lightweighted and eye-friendly design. Based on Dark Mode, it uses a contrasty combination of a unique blue-green-turquoise blend combined with sunset orange. Enjoy surfing the net!

4.53 (30)

12,493

#4, ANIMATED | Cyber Rain

Mr.Cline

A flashy yet smooth animated purple and blue theme with glowing rain. RATE and Check out my other animations too! https://addons.mozilla.org/en-US/firefox/collections/15195387/Animated-by-Mr-Cline/?page=1&collection_sort=-added

4.67 (51)

1,122

#5, Mac OS Ocean Dark

Maulbeerblatt

Mac OS Dark Mode Safari styled theme

4.82 (11)

798

#6, Colour mosaic

Astrum Caelum

Colourful mosaic, light theme.

4.92 (12)

774

#7, Pastel Purple Polka Dots

tai-kou-bou

Made with Firefox Color. I love how it turned out so I wanted to share it and hope someone else can get use out of it too.

5.00 (8)

347

#8, indie fractal dark

Michael

A simple indie fractal to use with dark theme system

4.91 (11)

343

#9, Dusk Fractal

Amarilis

A dusk themed fractal.

5.00 (4)

195

#10, Dark space - The best dynamic theme

Nicothin

Animated stars in dark theme. Seamless video background with particles moving around. Enjoy.

4.85 (1,750)

123,405

#11, Colorful Abstract Neon

ali🎨

colorful, geometric, abstract, neon

4.65 (84)

43,793

#12, cosmos soft

Anri_F

cosmos soft

4.68 (22)

23,855

#13, Cosmic Cloud

Benedict

Enjoy

4.50 (28)

21,863

#14, Fractal Senzune Alphacoder

Jutte Angarde

FRACTALS ART SERIES. Senzune Fractalis - My adaptation of Senzune's fractal work on Alphacoders. Alternating colors enhance the overall view. Resolution up to 3000px. Basic color scheme. ONE OF MY FIRST THEMES.

4.60 (81)

18,950

#15, Dark Theme for Firefox

Stefan vd

The best dark Firefox theme for your web browser. It's simple and coherent.

4.52 (136)

9,482

#16, Gamer

That Tall Guy

a theme ONLY for hardcore GAMERS - URL color fix in description

4.26 (133)

8,059

#17, Alpenglow Dark

Prajna Sariputra

The Firefox Alpenglow theme modified so that it will always use its dark variant. Note that 1.1 is designed for Firefox 89+ (Proton).

4.82 (266)

8,058

#18, fractal summer colors

candelora

✿ Theme Designed by candelora © ✿ Copyright Original Picture by SuicideBySafetyPin

4.65 (225)

7,763

#19, Purple & Shapes

Sirius

Theme with bright purple and shapes!

4.29 (7)

6,508

#20, Black Rain (Animated)

SimAr_

For your sleepy eyes.

4.66 (456)

6,306

#21, A N I M A T E D KITTY CAT

sassygirl1016

Dogs have Owners, Cats have Staff. ~ Unknown Source TAGS gallery gray cuddly cute black kitten feline domesticated animal love furry friend pets animated png animated ears & tail walking paw prints footer whiskers =^..^= (") (") SaSSyGirL

4.80 (700)

5,913

#22, ANIMATED Neutron Stars by candelora

candelora

★ Theme Designed by candelora © ★ Animated Apng Theme Original source unknown

4.82 (379)

5,117

#23, Rainbow Blur

Alix P

The background is a blurred image that gradates from blue to green to yellow to red to yellow to pink to magenta to purple

4.71 (1,110)

5,065

#24, The floret blooms fully.01

NorDesign

小さい花 がいっぱい咲く。

3.90 (10)

4,019

#25, DarkFox (UltraWide Compatible)

rickjames

First iteration of DarkFox, a glossy dark theme compatible with UltraWide screens! Thank you for your support! (donate on PayPal): https://www.paypal.com/donate/?business=5QMJD5H682K36&no_recurring=1&item_name=Thank+you%21&currency_cod

4.86 (29)

3,941