Firefox Plugin Development Jobs

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Hourly - Expert ($$$) - Est. Time: 3 to 6 months, Less than 10 hrs/week - Posted
We need a C++ app and browser extension to sync with our web API to pre-fill forms while a user browses the web. The C++ app will get the data from our web API and send it to the browser extension, pre-filling the form fields with the matching data received from the web API. The app will need to sync with our web API- staying "LIVE" so we know that a user is connected. We have plans for extended functionality (account logins, etc.) for the next stage of this project and if all goes well, we'd like to continue to work with you to develop this. Perhaps you'll even become a full time member of our team to extend this functionality even further. To start, please put the word APP in your bid so we know you've read these requirements, and then we can set up a chat to discuss more. You will need to be proficient in C++, preferably with experience developing a browser plugin/extension.
Skills: Firefox Plugin Development Automation C++ Chrome Extension
Hourly - Expert ($$$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Necesito una extensión para chrome y firefox, el trabajo se explicarás más detalladamente por privado, y y posteriormente se necesitarán cambios y actualizaciones, por lo que habrán futuros trabajos.
  • Number of freelancers needed: 10
Skills: Firefox Plugin Development Chrome Extension
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
I'm looking for a Firefox add-on that will make it easier for my users to submit bug reports when testing a website. I'm imagining a very simple interface: - Button to enable a simple toolbar - Toolbar would have a "Take Screenshot" button, which would present the user with a screenshot and very simple annotation tools (basically just a red line tool from the mouse, so users could circle something) - After (optionally) annotating, they would see a form asking for their name, a short comment, and a submit This tool will be open source, so (legally) using existing open source libraries is no problem at all. - I'm open to suggestions on how best to approach this task. - I'm not tied to any particular look and feel, I'd like to use as many built-in functions as possible - I'd like to use existing libraries and resources as much as possible to speed development and reduce cost I will provide additional details about the webform submit target and other details after you are hired, but if you have questions please don't hesitate to ask. REQUIRED: Please provide links to source code of Firefox Add-Ons you have personally developed/worked on. I will not entertain offers that do not include this.
Skills: Firefox Plugin Development
Fixed Price Budget - Expert ($$$) - $100 to $250 - Posted
I wanted to develop a Chrome Extension that will enable Direct Printing on the printer without showing preview and with customized settings. When a user will try to open some PDF File from a specified URL path, the extension will detect the path and send the PDF directly to the Default printer with the customized Paper size and margins not the default printer settings. No Printing option will be shown to the user and no file preview and re-print option will come. It will restrict the user to print the things only once directly on the printer.
Skills: Firefox Plugin Development C# Chrome Extension JavaScript
Fixed Price Budget - Entry Level ($) - $20 to $50 - Posted
I have two Firefox addons that worked with a prior version of Firefox browser. Updated the browser, and they no longer work. I need for someone to fix both addons. The following attachement is one of the addons that were developed to work with Firefox. The addon should pull the address field from zoho crm and then open a new tab with the property address for
Skills: Firefox Plugin Development
Hourly - Expert ($$$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
Looking for an experienced Javascript/Chrome Extension/Firefox developer for a 1-2 months project. We have document with list of features to be provided upon request. Developer needs to make a neat UI, He should be experienced in Content injection and DOM Manipulation. Please look at for reference, we would only need subset of features like Email Tracking and Analytics, Presentation Tracking & Analytics, Scheduling Emails features to begin with.
Skills: Firefox Plugin Development Chrome Extension JavaScript
Fixed-Price - Intermediate ($$) - Est. Budget: $100 - Posted
The first job will be on a PAID trial period that includes 5 content pieces. The job will pay $100, but if all goes good, you will solidify a place with our company for the long-term and we will immediately hire you at Upwork for a second set of jobs. Content marketing skills: For content marketing projects a content strategist can provide important insights to help shape: • Branding through content • Search engine optimization • Social media strategy • Content mix • Editorial and content maintenance calendar • Targeted messaging • Web analytics setup and reporting Must Incorporate: User experience skills - For user experience projects a content strategist can provide important content insights to help shape: • User research and success metrics • Personas • User journeys • Wireframe development • Information architecture • Wireframes • Content workflows Technical integration - To ensure that technology and content work together: • Content management system assessment • Content migration planning and management • Content matrix • Business analysis • Content workflows • Content modeling Analytical skills - To gather strategic business and user insights: • Document review • Stakeholder interviews • Content audits and inventories • Content review and analysis • Competitive analysis Job Requirements Include: - Experience working in the debt relief or financial services industry - Proven experience managing the content creation processes - Experience working with and/or managing freelance writers - Experience editing and maintaining a search-optimized site - Highly analytical and data driven - Skilled in using a content management system - Fluent in all major business software applications (Adobe Creative Suite, Microsoft Office, etc.) and have experience with Google Analytics - “Chaos-proof” personality that thrives in the fast paced, fluid world of a startup Ambitious and creative, and takes pride in their work Thank you Golden Financial Services and
  • Number of freelancers needed: 2
Skills: Firefox Plugin Development 3D Design Banner Ad Design Blog Writing
Fixed-Price - Intermediate ($$) - Est. Budget: $500 - Posted
Not only webmasters and SEOs but also normal webusers can profit from knowing where a website is hosted. It protects from phishing, helps to make informed choices about the integrity of the owners and reduces guesswork about load times, DNS errors, etc. Personally I use a lot of different tools like,, Netcraft, Pingdom, etc. to check the health of my websites but I also find it useful to see where competitors, online shops or service providers are hosting their websites, if they are using Amazon Web Services, Cloudflare and so on... Until now I have relied on the Netcraft Toolbar to see the geolocation and hosting companies of the websites I visit but I want a more complete solution that also provides the following information at first glance: - geolocation (country) - hosting company/ISP - Server IP address - DNS servers - number of connections to other hosts like Google Analytics, Google Fonts, Facebook, etc. Similar to the Netcraft toolbar I would like to have that info immediately visible as soon as the website is loaded in the browser but it doesn't have to be in a toolbar. There are similar plugins in the Firefox addon directory that provide similar data but only after their icon is clicked, which I find impractical. Netcraft Toolbar (lacks DNS info) WorldIP (very good features but needs another addon to function, "The addon bar") Domain Details (good features but last updated in 2012) Show Location (similar features but last updated in 2012) SixOrNot (shows number of connection to all hosts) SnipR (only shows server IP) IP Check (icon needs to be clicked to get info) TcpIpUtils IP address and Domain Info (very comprehensive information but icon needs to be clicked) So basically the browser addon I want is already out there but needs dubious third party tools or sends private information to third parties (of the addons mentioned here I only consider Netcraft thrustworthy) or wasn't updated in a long time and isn't properly functioning anymore. If you interested in this project give the Netcraft toolbar a try and also have a look at the detail information they provide about domains if you click the links in the toolbar like: I also like the additional information of by the authors of the addon: Domain is listed in the top million list of Alexa on number 623. The highest ranking ever is 559 and was reached on 2016-02-06. is listed in the top million list of Quantcast on number 15,943. The highest ranking ever is 15,916 and was reached on 2015-07-25. It is not listed in the DMOZ directory. This domain is hosted by CloudFlare, Inc. (AS13335). The first DNS server is The current IPv4 address is The mail server with the highest priority is WOT Reputation: Trustworthiness Excellent (91/100) Child safety Excellent (88/100) Blocklist lookup: Adult hosting not listed Dshield droplist not listed Hackers, Spyware, Botnets etc. not listed Open proxy not listed Spamhaus droplist not listed Please feel free to ask any question regarding this project. My goal is to provide webmasters, system administrators or anyone who is interested the information they need to view the technical details about any website and offer diagnostic tools to track spammers, hackers or other suspicious activities to make surfing the internet safer and more convenient. The perfect freelancer for this job should have enough experience in developing browser extensions so that he or she would be able to suggest and implement the best path to improve this project and achieve the desired functions in the most efficient way.
Skills: Firefox Plugin Development Chrome Extension
Fixed Price Budget - Expert ($$$) - $200 to $3,000 - Posted
We've written a 100% functional browser extension for Chrome and Firefox using the platform. We are now having issues with it as we can't publish to the Firefox store now as they changed their policies and we also have intermittent issues with the Google Chrome store. We would like to migrate away from the Crossrider cross browser extension platform and instead convert our extension into 2 native extensions for Google and Firefox. Current Extension:
Skills: Firefox Plugin Development Chrome Extension