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- Stable: http://www.mozilla.org/en-US/firefox/all/
- Beta: http://www.mozilla.org/en-US/firefox/beta/all/
Mozilla is expected to officially release Firefox 53 later today, but the Firefox 53 installer is already available on Mozilla's FTP servers, just in case some users can't wait to get their hands. Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools Add-ons Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools Add-ons Appearance).
Mozilla Firefox is a fast, full-featured Web browser. Firefox includes pop-up blocking, tab-browsing, integrated Google search, simplified privacy controls, a streamlined browser window that shows a number of additional features that work with you to help you get the most out of your time online.
- Firefox 53 was released on April 19, 2017. This article lists key changes that are useful not only for web developers, but also Firefox and Gecko developers as well as.
- Firefox 53 was released on April 19, 2017. This article lists key changes that are useful not only for web developers, but also Firefox and Gecko developers as well as add-on developers. Changes for Web developers Developer Tools. Avoid scrolling latency on highlighters given by APZ (bug 1312103).
Installation
Installing Firefox was a fine , quick experience.A new feature checks your add-ons to see which ones you installed and which ones come from third-party vendors, such as security suite makers. The browser will now ask you if you'd like to disable any of these third-party add-ons.

Interface
The menu bar has been squished into an orange button on the upper left, with menu options spread across two columns.the menu makes it much easier to get to bookmarks, add-ons, and history, as they now all live on one Menu pane.
Performance
Firefox is built on top of the powerful new Gecko platform, resulting in a safer, easier to use and more personal product.Mozilla plans to crowdsource its performance data to learn more about how the browser performs in real-world situations.
Features
Firefox's features are robust and generally competitive. The most important feature in the modern Firefox is Sync.Sync now smoothly syncs your bookmarks, passwords, preferences, history, and tabs, not only with other computers, but also with your Android version of Firefox.
The JSON viewer is new in Firefox 44.
Before Firefox 53, the JSON viewer is enabled by default only in Firefox Developer Edition and Firefox Nightly. To enable this feature in other release channels, set the devtools.jsonview.enabled
preference to true
.
From Firefox 53 onwards, the JSON viewer is also enabled by default in Beta and the normal release version of Firefox.
Firefox 53 Download
Firefox includes a JSON viewer. If you open a JSON file in the browser, or view a remote URL with the Content-Type set to application/json, it is parsed and given syntax highlighting. Arrays and objects are shown collapsed, and you can expand them using the '+' icons.

The JSON viewer provides a search box that you can use to filter the JSON.
Firefox 53 Release Notes
You can also view the raw JSON and pretty-print it.
Firefox 53 Portable
Finally, if the document was the result of a network request, the viewer displays the request and response headers.
