firefox extension , developers

Downgrade the firefox addon , which is developed for new version of firefox browsers.

I need the addon, to downgrade , which the addon should be work in all lower end versions of firefox. from 42 version to 49 version including beta versions

Skills: Javascript, Firefox, Extensions & Additions

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About the Employer:
( 5 reviews ) hyderabad, India

Project ID: #20295122

4 freelancers are bidding on average ₹11125 for this job


I am have experience in firefox extension developing, please send me details ..................................................

₹15000 INR in 5 days
(27 Reviews)

Hi, I am an expert in developing Extension for Chrome/Firefox. I have already developed 8 extension till now. I am developing firefox extension since version 40 (Prior to web extension api coming to firefox). I can do More

₹12500 INR in 7 days
(2 Reviews)

Hello! I have great experience in developing with using Mozilla platform (Firefox, Thunderbird and XUL-based application). In my profile you can see some review about my work. Of course need to see the extension, but More

₹10000 INR in 7 days
(4 Reviews)

Hello, How are you? I hope you are fine. I have saw your descriptions what you want. I would like to work for your project if you want. I have over 5 years of experiences on the development of website&android&ios. I a More

₹7000 INR in 7 days
(0 Reviews)