Here’s a list of the 500 most popular Chrome extensions. It’s interesting to see what the the most popular extensions are, and think about how they achieved that number of installs. See a google spreadsheet of the list here.

Name Installs Reviews
Avast SafePrice 10,000,000 339
iLivid 10,000,000 2,013
Avast Online Security 10,000,000 12,156
Avira Browser Safety 10,000,000 1,117
Ask App for iLivid 10,000,000 598
AdBlock 10,000,000 163,269
Adblock Plus 10,000,000 91,224
Adobe Acrobat 10,000,000 660
Pin It Button 9,365,108 2,874
Angry Birds 8,997,371 69,434
Unlimited Free VPN – Hola 7,187,101 79,262
Google Hangouts 6,636,752 22,594
FromDocToPDF 5,870,614 135
Google Translate 5,755,883 16,908
Quick start 5,403,930 5,651
Tampermonkey 5,379,978 18,446
Google Classroom 5,300,009 555
AVG Web TuneUp 5,207,089 384
Google Hangouts 5,202,309 10,530
Gmail Offline 5,122,791 12,164
Norton Safe Search as default for Chrome 4,449,222 296
Evernote Web Clipper 4,365,472 116,624
Google Mail Checker 4,315,534 23,178
WeVideo – Video Editor and Maker 4,041,312 9,534
Search App By Ask v2 4,011,077 48
Share to Classroom 3,934,786 55
GeoGebra 3,745,926 1,423
ZenMate Security, Privacy & Unblock VPN 3,727,520 16,150
LastPass: Free Password Manager 3,651,413 15,319
Evernote Web 3,612,728 10,020
Google Play 3,543,195 12,981
Visual Bookmarks 3,533,349 7,158
Unblock Youku 3,402,005 20,548
TypingClub 3,333,055 3,276
Entanglement Web App 3,264,267 3,917
Dropbox for Gmail 3,255,699 318
IE Tab 3,226,476 11,991
AdBlock Pro 3,196,700 10,092
Pixlr Editor 3,171,692 5,294
Poppit! 3,092,874 1,937
Khan Academy 3,063,491 347
Dropbox 3,001,766 7,153
Google Dictionary (by Google) 2,911,291 10,380
Free Games Zone 2,876,328 173
FromDocToPDF 2,803,516 1,154
–ü–æ–∏—Å–∫ –Ø–Ω–¥–µ–∫—Å–∞ 2,776,532 5
Norton Home Page for Chrome 2,747,029 73
Facebook 2,699,650 16,407
Video Downloader [FVD] 2,688,254 23,510
iCloud Bookmarks 2,674,276 1,919
My Chrome Theme 2,660,026 19,633
Kindle Cloud Reader 2,648,379 2,578
GamingWonderland 2,621,247 128
TelevisionFanatic 2,607,989 306
Video Downloader professional 2,542,992 68,870
Save to Pocket 2,514,302 4,874
Search App by Ask 2,445,484 20
Picasa 2,389,162 7,052
Desmos Graphing Calculator 2,385,711 1,244
MapsGalaxy 2,362,160 668
uBlock Origin 2,334,562 4,569
Google Drawings 2,275,181 1,802
Music Box 2,267,607 131
Ghostery 2,259,243 8,322
Zwinky 2,246,337 434
Legacy Browser Support 2,243,585 115
Reddit Enhancement Suite 2,224,313 2,741
Awesome Screenshot: Screen capture, Annotate 2,179,980 50,539
Bookmark Manager 2,169,924 1,525
Grammarly Spell Checker & Grammar Checker 2,139,396 4,390
Save to Google Drive 2,094,996 1,988
LanSchool Web Helper 2,068,274 701
Office Editing for Docs, Sheets & Slides 2,035,216 2,457
Pandora 2,027,929 7,711
Lightning Newtab 2,026,083 3,737
Webcam Toy 2,021,297 13,243
Duolingo on the Web 2,000,753 4,360
MapsGalaxy 1,997,497 79
Google Forms 1,924,512 4,748
Domain Error Assistant 1,919,760 128
Spotify – Music for every moment 1,868,795 4,941
Bleaner 1,813,391 47
Audiotool 1,775,681 3,121
Lucidchart for Education 1,754,596 197
Search People 1,745,520 104
TelevisionFanatic 1,743,124 122
Search Extension by Ask v3 1,727,986 15
Shopping App by Ask 1,723,910 5
Vosteran New Tab 1,723,882 4,621
Dell Activity Light 1,722,507 38
Astromenda New Tab 1,712,876 14,462
GBBD Banco do Brasil 1,673,959 2,909
Adblock Super 1,673,412 4,995
TV 1,670,008 5,207
Google Calendar (by Google) 1,642,187 1,888
FilmFanatic 1,625,883 149
VideoDownloadConverter 1,613,014 77
3DTin 1,592,481 1,171
MindMeister 1,591,797 770
Netflix 1,589,796 4,715
Google Chrome to Phone Extension 1,588,180 6,598
TweetDeck by Twitter 1,582,776 9,574
Quick Sidebar 1,559,714 30
Turn Off the Lights 1,542,394 23,348
Little Alchemy 1,535,875 9,664
Instagram for Chrome 1,525,662 13,243
GamingWonderland 1,521,776 113
Hapara Interact Extension 1,515,477 110
Stylish 1,513,818 8,977
Magic Actions for YouTube‚Ñ¢ 1,491,872 57,392
Outlook.com 1,487,640 5,761
Quick Note 1,487,484 7,278
Photo Zoom for Facebook 1,480,263 65,301
Word Online 1,475,175 2,289
Bejeweled 1,465,911 6,341
Click&Clean 1,463,263 37,854
–ü–æ–∏—Å–∫ Mail.Ru 1,461,178 72
Clearly 1,460,643 3,529
Pushbullet 1,456,312 3,499
Adblock for Youtube‚Ñ¢ 1,455,924 8,647
Sumo Paint 1,444,761 1,382
Search Extension by Ask v2 1,431,110 12
Plants vs Zombies 1,424,388 9,605
BIODIGITAL HUMAN 1,407,756 4,328
Click&Clean App 1,405,499 13,814
feedly 1,403,984 68,783
Pocket 1,399,662 3,925
Ask App for Music Box 1,394,369 27
CK-12 1,393,674 48
Motitags 1,388,577 131
Logitech Smooth Scrolling 1,352,685 1,048
Autodesk Homestyler 1,347,072 5,229
360 Internet Protection 1,335,844 1,544
–î–æ–º–∞—à–Ω—è—è —Å—Ç—Ä–∞–Ω–∏—Ü–∞ Mail.Ru 1,333,393 33
Adguard AdBlocker 1,333,040 13,918
Add to Amazon Wish List 1,329,417 662
Iminent 1,328,319 224
TechSmith Snagit (Extension) 1,321,447 1,423
ShopAtHome.com 1,315,389 94
WOT: Web of Trust, Website Reputation Ratings 1,312,834 5,077
Ask App for FreeGamesZone v2 1,309,309 22
Motitags 1,307,521 127
Need for Speed World 1,295,903 7,608
Iminent Lite 1,291,101 11
eBay Shopping Assistant 1,283,002 27
Web Protector – Reliable Phishing Protection 1,276,630 86
EasyBib 1,253,471 106
Cut the Rope 1,244,198 12,298
Stupeflix Video Maker 1,233,688 1,850
Postman 1,231,342 3,750
The Weather Channel for Chrome 1,228,363 2,609
Webpage Screenshot 1,224,811 39,289
네이버 Software 다운로더 1,223,679 327
Hover Zoom 1,218,187 6,433
Yahoo Mail Notification Extension 1,210,482 1,165
Browsec 1,210,005 7,383
OneDrive 1,175,577 2,672
Quizlet 1,155,437 404
Linkey 1,154,151 44
My Scrap Nook 1,148,163 207
Screencastify (Screen Video Recorder) 1,145,072 2,365
Loupe Collage 1,144,930 1,164
DOGOnews 1,142,002 25
–í–∏–∑—É–∞–ª—å–Ω—ã–µ –ó–∞–∫–ª–∞–¥–∫–∏ Mail.Ru 1,141,759 10
Momentum 1,132,807 5,206
Amazon Assistant for Chrome 1,123,419 588
AgarioMods Evergreen Script 1,109,566 6,134
OnlineMapFinder 1,100,472 45
Yandex Search 1,096,442 90
Google –≤ –∫–∞—á–µ—Å—Ç–≤–µ –ø–æ–∏—Å–∫–∞ –ø–æ —É–º–æ–ª—á–∞–Ω–∏—é 1,093,613 52
Web Developer 1,087,412 2,003
Search by Image (by Google) 1,086,884 3,129
SpeakIt! 1,082,963 3,159
MEGA 1,046,561 3,451
Boomerang for Gmail 1,044,416 960
VocabularySpellingCity 1,042,186 47
Widthie 1,034,241 67
支付宝安全插件 1,033,120 103
PicMonkey 1,025,642 6,249
Postman – REST Client 1,023,764 2,967
Cut the Rope 1,016,973 4,398
User-Agent Switcher for Chrome 1,009,043 1,142
Google News 1,007,073 1,700
Extensia Abonament RSS (de la Google) 1,005,455 3,149
VideoDownloadConverter 1,004,764 46
Glogster 1,004,055 45
Send from Gmail (by Google) 999,712 3,699
Google Voice (by Google) 981,591 5,244
Docs PDF/PowerPoint Viewer (by Google) 978,496 2,587
Search Extension by Ask 977,639 4
HTTPS Everywhere 976,236 1,948
FilmFanatic 974,458 64
MySearchDial 972,481 188
Secure Url 971,044 0
MusicSig vkontakte 966,163 8,507
Iminent Toolbar Lite 965,893 2
Full Screen Weather 961,072 3,178
Night Time In New York City 960,057 14,688
MyWebFace 958,292 442
Advanced REST client 946,682 9,318
Video AdBlock for Chrome 945,187 80
JSONView 920,560 1,684
Isoball 3 908,256 2,139
Cuevana Stream 907,543 3,246
Prezi 903,419 713
Lightspeed User Agent 902,869 15
Proxy SwitchySharp 890,521 5,041
1Password: Password Manager and Secure Wallet 883,905 403
Hola Better Internet Engine 878,734 2,174
Planetarium 875,304 2,628
Lucidchart Diagrams – Online 875,248 4,320
Movies App 871,952 17
LINE 871,113 1,903
Music Box v2 867,220 117
OneTab 864,949 4,456
Zwinky 861,814 174
Chrome Apps & Extensions Developer Tool 840,356 1,062
Disconnect 835,079 2,452
Yandex homepage 824,799 16
TotalRecipeSearch 817,031 39
The Great Suspender 815,975 1,619
Canvas Rider 810,911 3,657
MyFunCards 808,298 46
ColorZilla 804,214 906
Excel Online 802,982 644
Psykopaint 800,558 3,946
Search App by Ask 800,111 3
EditThisCookie 798,479 2,770
GetThemAll Video Downloader 797,973 2,780
PowerPoint Online 797,736 933
RadioRage 794,345 1,142
Free Smileys & Emoticons 788,363 877
Videostream for Google Chromecast‚Ñ¢ 788,320 4,144
SafePCRepair 787,485 61
Newsela 785,768 50
Box 783,300 2,351
Facebook for Chrome 779,419 4,151
My Scrap Nook 778,140 65
ScanQR 774,875 103
BetterTTV 774,189 4,308
Block site 770,201 7,836
Readability 770,086 750
SoundCloud 767,020 2,342
Crackle 765,059 1,793
Gismeteo 761,759 2,942
goo.gl URL Shortener 751,267 2,294
The QR Code Generator 743,591 1,507
Edmodo 742,908 361
Full Page Screen Capture 730,615 1,654
Google Quick Scroll 720,319 2,662
Google Analytics Opt-out Add-on (by Google) 713,715 753
AutoCAD 360 712,679 2,594
MyWebFace 706,414 281
Diigo Web 705,654 393
McAfee SiteAdvisor Enterprise 703,706 170
Replace Favicon 703,551 36
LearnBoost 703,034 52
Rainbow Scrollbar 696,548 38
Zotero Connector 693,158 1,087
WeatherBug 692,310 2,116
Floor plans and interior design 691,937 6,707
dregol New Tab 690,936 12
Haiku Learning – Solo Teacher Account 690,930 26
Instagram 686,445 1,853
Allin1Convert 685,142 240
Google Input Tools 684,832 2,155
Poper Blocker 675,443 5,600
HeroicPlay 674,565 35
Inbox by Gmail 674,130 1,937
Theme Creator 671,422 3,823
Cargo Bridge 664,083 3,192
Checker Plus for Gmail‚Ñ¢ 663,594 5,925
Earth 662,504 12,471
MusixLib Search 662,432 34
MySmartPrice 653,898 708
EagleGet Free Downloader 651,483 1,568
Speed Dial [FVD] – New Tab Page, 3D, Sync… 645,715 62,985
Steam inventory helper 643,721 1,963
Sidekick by HubSpot 642,367 8,740
Speed Dial 2 640,463 5,472
New Tab Redirect 636,794 2,132
MyTransitGuide 635,834 27
Pixlr-o-matic 635,787 3,810
MeeGenius! Children’s Books 634,122 419
InternetSpeedTracker 632,953 70
StayFocusd 628,939 4,083
Capture Webpage Screenshot Entirely. FireShot 628,454 11,985
ScootPad 628,085 48
SBRO Safe Browsing 626,620 1,544
Speed Dial 624,789 6,730
HowToSimplified 624,553 20
Secure Shell 623,794 2,577
StudyBlue, Inc. 623,318 93
FlashBlock 623,180 2,486
Gliffy Diagrams 620,858 14,750
Imagine Learning 613,658 12
New Easy Tab 613,512 951
Webfetti 611,872 133
RadioRage 606,127 58
SocialLife for Google Chrome‚Ñ¢ 605,624 8
AddThis – Share & Bookmark (new) 603,318 3,506
Awesome Screenshot: Screen capture, Annotate 602,958 2,922
Anti-Porn Pro – The best Anti-Porn addon! 601,913 1,205
Flashcontrol 595,418 2,888
PageSpeed Insights (by Google) 591,876 552
Socrative Student 589,670 53
Search By MovixHub 584,003 17
PDF Viewer 582,400 633
WeatherBug (Legacy App) 579,688 3,475
Digital Clock 579,684 2,835
Sniper Team 579,315 1,633
Wunderlist – To-do and Task list 578,111 28,952
RSS Feed Reader 577,447 5,571
agar.io server browser 576,946 7,962
MusixLib 574,709 32
SafePCRepair 574,627 43
Deezer 573,125 2,353
Marc Ecko 572,434 14,784
PowToon Presentations Edu 569,035 193
Visual Bookmarks 566,689 162
PDF Mergy 566,195 3,033
VkOpt 564,310 6,225
Flow Colors 563,436 1,781
Floorplanner 559,885 1,656
Advanced SystemCare Surfing Protection 559,736 244
BeFunky Photo Editor 558,253 3,772
Dictionary by Dictionary.com 558,236 1,049
Page Analytics (by Google) 557,507 412
Until AM for Chrome 556,825 4,282
Yandex Search 553,809 117
Thunder Download Extension for Chrome 549,088 522
Search By Zooms 548,784 42
History Eraser 547,637 8,719
Typing Test – KeyHero 547,520 1,903
Diigo Web Collector – Capture and Annotate 544,516 5,989
Ask App for InMind 540,837 142
Readium 537,095 1,336
Calculator 536,226 552
friGate CDN – access to sites 533,362 2,839
Daum Equation Editor 531,846 1,048
Flash Video Downloader 528,880 898
Groovorio New Tab 528,230 4,294
MightyText – SMS from PC & Text from Computer 528,161 6,113
EasyPDFCombine 524,525 34
Google Finance 524,278 747
PanicButton 518,139 2,750
Cath Kidston 517,892 8,001
GBBD Banco do Brasil 517,803 1,596
HeroicPlay 516,236 17
Facebook Secret Emoticons 515,668 5,311
Xmarks Bookmark Sync 512,166 5,918
Pearson OpenClass 510,939 20
Solitaire 508,611 3,698
Solitaire 508,531 1,364
Pixlr Express 506,420 3,183
Avira SafeSearch Plus 503,539 28
Command & Conquer Tiberium Alliances 502,725 4,130
Google Scholar Button 501,465 301
TypingWeb Typing Tutor 500,739 533
LoungeDestroyer 500,425 1,294
Into The Mist 499,447 7,739
Hootsuite Hootlet 499,335 995
Undeaddies 498,590 41
Search All 496,611 5,913
Screen Capture (by Google) 496,556 11,260
InboxAce 495,085 344
Window Resizer 492,489 1,800
The Fancy Pants Adventure: World 2 490,726 5,356
AdBlock Plus for Chrome 487,198 745
HelloFax: 50 Free Fax Pages 486,292 1,513
Weather Underground 484,498 1,972
Numerics Calculator & Converter 483,812 1,949
Free Rider HD 483,807 1,405
Fast Video Downloader 483,795 2,041
Chrome to Mobile 482,588 2,283
Pixlr Touch Up 481,901 1,898
Search 481,418 38
American Racing 480,795 2,925
WhatFont 478,774 822
SearchLock 477,614 1,271
Undeaddies 477,172 92
MyFunCards 473,905 21
eRail.in 472,716 1,745
Facebook Invite All 471,202 34,838
UK Sports Tracker 468,421 2
HomeworkSimplified 468,080 123
PricePeep 467,879 4
Advanced Font Settings 467,784 427
3D Solar System Web 466,280 1,296
WGT Golf Challenge 464,788 1,684
Nearpod 461,948 23
Search By MusixHub 461,831 63
XKit 461,385 2,643
View Credits 461,367 27
DocHub – View, Edit, Sign PDFs 461,179 3,926
binkiland New Tab 456,296 12
Any.do Extension 456,044 2,810
Google Tasks (by Google) 454,335 1,884
Build with Chrome 453,929 1,177
Honey 452,899 2,379
Easy Auto Refresh 449,684 813
Lone Tree 448,589 4,906
High Contrast 447,863 2,281
VoiceNote II – Speech to text 445,099 1,851
Calculator 445,085 1,111
Google Cast (Beta) 443,828 713
ProxFlow 441,903 492
Voice Recognition 441,702 751
Scientific Calculator 440,466 628
Downloads 437,831 2,713
Plex 437,486 1,088
Auto HD For YouTube‚Ñ¢ 437,407 4,454
A Journey through Middle-earth 436,963 2,005
TV 436,720 1,048
Classic Games 434,465 805
GoAnimate for Schools 432,579 81
IP Address 429,784 2,674
Polarr Photo Editor 3 427,378 1,647
BuzzMath 426,780 94
Alexa Traffic Rank 426,742 1,918
Hootsuite 425,729 1,470
Motorola Connect 425,700 2,459
RoboForm Password Manager 424,972 160
Video Recorder for WeVideo 424,790 15
Weather 424,739 2,294
InboxAce 422,278 19
Session Buddy 421,958 15,067
Tag Assistant (by Google) 421,833 330
Rapportive 421,543 1,470
CouponXplorer 421,151 41
Watch Online 420,313 20
TinEye Reverse Image Search 416,541 1,056
Discovery Education 416,529 17
James White 415,801 7,181
MagicScroll eBook Reader 415,556 1,028
Buffer 414,606 2,215
IBA Opt-out (by Google) 414,076 786
My Browser Page 413,995 2,129
Timer 413,283 1,057
AudioSauna 413,175 1,601
Fotor Photo Editor 409,268 1,896
WGT Golf Game 409,186 1,184
Brushed 409,117 5,983
Musix 407,950 33
Until AM Web App 406,934 2,254
Securly for Chromebooks 403,108 69
Blur 402,036 4,048
Splendid 401,094 4,354
PremierDownloadManager 400,462 13
Orbitum Speed Dial 400,431 12
Kami (formerly Notable PDF) 400,311 2,543
Download Master 396,910 1,564
Retrogamer 396,381 42
EasyBib Tools 395,389 57
VNC® Viewer for Google Chrome™ 394,036 1,495
iPiccy Photo Editor 393,986 3,738
Sketchpad 3.5 393,443 532
Cats and Catapults 392,193 39
Radio 392,008 3,054
BeFrugal.com Add-On 391,849 22
Classic 390,036 3,692
Sketchpad 389,704 1,243
Chrome Connectivity Diagnostics 389,389 454
NYTimes 389,155 1,533
Ebates Cash Back 387,914 2,437
Gantter for Google Drive 387,467 1,089
Data Saver (Beta) 386,172 1,314
DealHut 385,727 5
Booking.com for Chrome‚Ñ¢ 385,315 401
StumbleUpon 385,197 1,837
Rocket New Tab 384,132 1,202
Elite Unzip 383,364 21
Drive Template Gallery 382,449 176
Streak for Gmail 382,423 4,412
Color Changer for Facebook 382,334 2,768
Proxy SwitchyOmega 381,869 1,304
Bang5Tao – Shopping assistant 380,935 18
–í–∏–∑—É–∞–ª—å–Ω—ã–µ –ó–∞–∫–ª–∞–¥–∫–∏ Mail.Ru 380,401 21
Lightning speedDial 378,891 786
Avira SafeSearch 378,537 42
TotalRecipeSearch 378,130 15
SnapMyScreen 377,216 17
Okta Secure Web Authentication Plug-in 375,998 53
eShield 374,058 20
We Heart It 372,586 3,272
Google +1 Button 372,182 2,004
Joygame Homepage 371,018 13
Torrent Search 370,158 980
Earth View from Google Earth 369,835 1,945
Page Ruler 369,336 894
OneNote Online 369,288 360
Lucidchart Diagrams – Desktop 368,731 2,192
Online Calculator 368,660 1
Weather (extension) 367,321 1,821
Crash Bandicoot Online HD 366,519 1,358
Enhanced Steam 366,286 1,691
Emoji Input by EmojiStuff.com 364,077 5,311
Lightshot (screenshot tool) 361,448 3,576
Porsche 360,859 6,142
Password Alert 360,585 336