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Number of search results for 'adds': 509
JSChess
Chess Game WebExtension based on chessboard3.js, chess library for chess move generation/validation and more
ePub Reader
Read ePubs in a reader view style window, convert into PDF or use text to speech
Popup Player for Spotify™
Control Spotify web player from a toolbar popup (includes play, pause, skip previous and next tracks)
Word Counter
A lite tool for counting characters and words with right-click
Cornucopia Enhancement Suite
Various enhancements to Cornucopia.se
Window Performance Test
Get accurate performance timing for any page with this extension
Download with Wget
when activated, interrupts the built-in download manager to direct links to Wget
Open Two-Factor Authenticator
一个开源的双因素基于时间的一次性密码（TOTP）认证器，具有SHA-256安全存储。
Lyrics for YouTube
A player button to load embedded lyrics of the current track in YouTube
Simple Checker for Gmail™
Get badge notification when you receive a new email in your inbox
Close & Clean
Close all tabs and windows and clean up Opera in one single click
SimpleFill
Simply fill forms with SimpleFill. The simplest and easiest form filler ever.
Cookie Switch ON|OFF
Switch cookies ON or OFF with just one click!
Star Citizen Hangar XPLORer
This extension improves the Hangar page on RobertsSpaceIndustries.com
Local CDN
Local emulation of Content Delivery Networks
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
VKAutoCaptcha
Extension adapted for automatic captcha solving on vk.com
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
Download with Free Download Manager (FDM)
when activated, interrupts the built-in download manager to direct links to FDM
Window Layout Resizer
Resize the current window into different customizable layouts (Multiple monitors are supported).
Dark Mode Global
Invert light-themed web pages into dark to reduce eyestrain
YouTube™ Downloader Lite
An ultra lite extension to download YouTube videos in popular formats!
Smart HTTPS
Automatically changes HTTP protocol to HTTPS, and if loading encounters error, reverts it back to HTTP.
TweakPass: Free Password Manager
Manage your passwords on a single click
Sitemap Explorer: Check and View XML Sitemaps
This extension helps you find, inspect, export, and view XML Sitemap files for any site you navigate in a browser.
shorten-url : Professional URL shortener
URL shortener with lot of features, detailed stats, traffic filters, redirect rules, QR codes, password protected links and more.
Browse++ Sidebar
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
Capture, Reverse Image Search
a powerful capturing reverse image search tool built on top of TinEye/Google Images engines
Browse++
Utilities for even more powerful web browsing. Search all open tabs, retrieve previously closed tabs, and make notes.
ilovepdf2.com | Online PDF toolkit
iLovePDF2 is the ultimate free tool for merging, splitting, compressing, and converting PDFs.
Color Picker
Search for the perfect color via an stylish color picker in a popup window.
Download Virus Checker
Automatically check all the download files against well-known anti-viruses using VirusTotal API
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