Enable developer mode to confirm you know what you are doing. I'll be using Chrome but steps will mostly be similar for others. It can be empty but it needs to exist to pass validation.įirst go to the url chrome://extensions, this url will be the same no matter what browser you are using. This won't do anything but we can at least add a test simple content script (and if you're building something else this can be a stepping off place).Īlso create css/styles.css. We'll start with a simple script that finds all video elements and adds a record button next to it: We'll inject 2 things, some styles and a script. The pattern I give allows access to all pages, a very big permission to ask but also necessary if this is usable everywhere. It should be noted that this script will have it's own separate execution environment, you cannot access javascript variables or object from the page but you will share the DOM. A content script is basically a script that gets injected into pages that match the selector. There's a lot of other stuff you might want to add here but we'll keep it simple for now. 3 has major API changes, most of which are for the better (though the ability to inspect requests is a lot weaker which is good for privacy and bad for standard ad-blocking). At this time most extensions use 2 but this has been deprecated and someday will be removed. manifest_version is the version of WebExtensions you are using. It's a JSON file with application metadata, also like package.json.Įnter fullscreen mode Exit fullscreen mode This is has no relation to the standard web manifest.json, it was created earlier specifically for Chrome extensions but the idea is the same. The first thing we need is a manifest.json. Note that Google and Youtube being the same company means they may also not like such extension being listed in the Chrome Web Store but with a recipe you can make your own! But if we can capture content straight from the displayed source then that seems pretty useful. Lots of websites don't let you download or obscure the ability to get at the source through arcane magic (cough Youtube). I was thinking about what something useful could be and settled on an extension that can record a video element on the page. I wanted to do a series on WebExtensions because honestly there's not enough of them. If you record you'll probably get a black screen with audio only, canvas recording will still work. Let us know your thoughts! Thank you.Update: If you are newly viewing this, it seems like changes in Chrome might have broken the video recording functionality. If you have any questions, suggestions or feature requests, feel free to submit a report by clicking the Feedback button in the extension’s popup menu. Copy a screenshot directly when capturing selected area for quick pasting Send a screenshot to a destination in Jira, Slack, Trello, Asana, GitHub. One-click to save screenshot to your Awesome Screenshot account and get a shareable link. Save screenshot as image in PNG or JPG format, or download screenshot as PDF Select a local image or paste a copied image from your clipboard to annotate Highlight important part on your screenshot Blur sensitive information on your screenshot Add text to your screenshot with or without background color, change text font and font size Annotate your screenshot with rectangle, circles, arrows, lines, etc. Resize or crop a screenshot to the size you need Capture a screenshot of your entire screen or a specific application window Capture a screenshot of the page you visit, full-page, selected area or visible part Prefer to screenshot web pages as images? No problem. Download uploaded videos in MP4 format. Easily share a recording video to Jira, Slack, Trello, Asana, GitHub. Instantly get a shareable link of a video after finishing recording. Include your voice in recording with Microphone option on Want to share your screen for cases like reporting technical issues, making product demo, or how-to tutorials? Start recording whenever needed. The popup menu allows you to use screen recording and screen capture easily. Save screen recordings & screenshots to and share your videos and images instantly with unique shareable links. Capture your screen with Awesome Screenshot & Screen Recorder, a powerful tool for screen sharing.
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