Editer от Vijay Samant

This Firefox add-on lets you easily edit any webpage's content using the shortcut Ctrl/Cmd + Shift + Y or by using the togglebox. Perfect for quick content tweaks, testing, and design changes, as well as making memes, or just playing around, directly in the browser.

Features:

One-click editing: Toggle editing mode with Ctrl/Cmd + Shift + Y or from the toggle box in the add-on popup.
Real-time changes: Edit text, images, and layout instantly.
Back to browsing: Press the shortcut, or the toggle button once in editing mode to exit the edit mode.
Temporary edits: Changes are local and reset when you refresh the page.
Great for testing & prototyping: Make fast, live changes without leaving the browser.

How it works:

Press Ctrl/Cmd + Shift + Y, or click the toggle-box to activate editing.
The cursor will change its design.
Click on text, images, or elements to edit them.
Press the shortcut, or the toggle button again to exit the edit mode.
Refresh the page to undo changes.