osprey is a developer tools chrome extension. it's a free extension and is featured in Developer Tools, it has 726 active users since released its first version, it earns an average rating of 4.58 from 24 rated user, last update is 664 days ago.
Ospey is an open-source GPL compliant fork of Stylish, based on an older version before the privacy changes. It can manage custom CSS, whether from userstyles.org, or your own configurations. It is easy to install and use, and with the rare-if-any updates, you can be sure that none of your custom CSS scripts will ever be impacted.
You could download the latest version crx file or older version files and install it.
Deutsch, English, Français, español.
70% user give 5-star rating, 30% user give 4-star rating. Read reviews of osprey
You could find more help information from osprey support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of osprey.
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It's really great.
Please add Import/Export function! Otherwise, this is much better than the untrustworthy Stylish extension. I love the dark theme of the Manage page, too.
HERE's HOW TO INSTALL SKINS #1 - goto stylish and find a skin #2 - copy the css #3 - goto Osprey and click on Manage installed styles #4 - Write new style #5 - click on Mozilla Import #6 - paste the copied CSS code and click on Overwrite style #7 - if it came in the same way it did for me there will be one box with code and one blank box but with site settings. copy and paste that 1st CSS code box into the second box #8 - save and you are good to go! should be at least... I HOPE THIS HELPS My biggest gripe: Includes no instructions at all whatsoever anywhere on how to install skins. Tried copying CSS from a Stylish skin and adding it, doesn't work. Tried installing through the userstyles website linked on this extension, doesn't work. Tried searching Google and the Github for info, nothing there. Tried looking here on the extension page: nothing.I figured it out though! See above