All-in-one browser extension for Scratch

Scratch Addons combines new and existing features and themes for the Scratch website and project editor into one easy-to-access and configurable browser extension.

free, open source

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Features

Addons

Scratch Addons consists of addons, which are features that can empower your Scratch website and editor experience.

Customizable

Scratch Addons has an easy-to-use interface to control various settings of each feature and theme.

International

Not just English. Scratch Addons is available in Spanish, Russian, Japanese, French, and many more.

Open source

Scratch Addons is free, open source, and built by a community of Scratchers.

Highlights

Remember, these are just the highlights. There's more!

Thumbnail setter

Adds a button to the bottom-right of the project page to set the thumbnail of your project to any image (including gifs).
Larger "Save Now" button

Extends the size of the "Save Now" button in the editor, making it easier to click.
Block switching

Right click on a block to switch it to a related block.
Clone counter

Adds a counter above the stage in the editor which shows the total amount of clones.
Cloud games

Available when clicking the Scratch Addons icon. Shows you how many Scratchers are currently on multiplayer projects, and their usernames.
Hex color picker

Adds hex code inputs to color pickers.
Confirmations

Asks if you're sure when committing actions under your Scratch account, such as sharing projects.
Copy link to comment button

Adds a "Copy Link" button to all comments on the website, next to the "Report" button.
Data category tweaks

Provides tweaks for the Data ("Variables") block category.
Fix sprite pane glitching

Fixes a bug in the Scratch editor where scripts, costumes, and sounds can't be dragged and dropped into sprites without the sprites jumping around within the sprite pane.
File drag and drop

Lets you drag images and sounds from your file manager into the sprite pane or costume/sound list. You can also drag text files into lists or "ask and wait" question inputs.
Developer tools

Adds new menu options to the editor: copy/paste blocks, better clean up, and more!
Messages in editor

Displays your message count in the editor menu bar.
Block dropdown search

Allows you to search the options in block dropdowns.
Show exact count

Shows exact numbers on profiles and the exact project count in studios.
Editor find bar

Adds a find bar to find and jump to scripts, costumes and sounds next to the sounds tab. Use Ctrl+Left and Ctrl+Right in the code area to navigate to previous or next visited position after using the find bar.
Sprite folders

Adds folders to the sprite pane, as well as costume and sound lists. To create a folder, right click any sprite and click "create folder". Click a folder to open or close it. Right click a sprite to see what folders you can move it to, or alternatively drag and drop it into an open folder. This feature works by adding "[folderName]//" at the beginning of the names for your sprites.
Full areas

Shows the full content of areas with limited height, such as user signatures on the forums and What I've been doing on profiles, by making them resizable or scrollable.
Auto-hiding block palette

Hides the block palette unless you're hovering over it. Click the lock icon to lock it in place temporarily. Or use the "category click" mode to show/hide it when you click a block category.
Jump to custom block definition

Allows you to jump to a custom block's definition using the middle mouse button or Shift+Click on the block.
Project video recorder

Adds a "start recording" button to the editor menu bar that allows you to record the project's stage.
Insert blocks by name

Middle or shift-click the code area, or press Ctrl+Space to bring up a block search window. Type block names (or parts of them) and drag them into the code area to add them to your project. The menu can be navigated with the arrow keys and Enter and supports autocompleting with Tab. To prevent the menu from closing, hold Shift while dragging blocks out of it.
Mouse position display

Displays your mouse x/y position above the stage in the editor.
Message count on extension icon

Adds the current message count in the Scratch Addons icon.
Muted project player mode

Ctrl+Click the green flag to mute/unmute the project.
Onion skinning

Shows transparent overlays of previous or next costumes when editing a costume. Controlled by buttons under the costume editor by the zoom buttons.
Paint costume by default

Changes the default action of "Choose a Sprite/Costume/Backdrop/Sound" buttons, which open the library by default.
Pause button

Adds a button to pause the project next to the green flag.
Project progress bar

Adds a progress bar for loading and saving projects.
Remix tree button

Brings back the remix tree button to project pages, next to the Copy Link button.
Sprite deletion confirmation

Asks if you're sure when deleting a sprite inside a project.
Rearrangeable custom block inputs

Allows rearranging custom block parameters on the "Make a block" screen.
Resizable comment input

Makes the comment input box vertically resizable in Scratch 3.0-styled pages.
Scratch Messaging

Available when clicking the Scratch Addons icon. Provides easy reading and replying to your Scratch messages: groups messages by project, shows full comment text and context, allows direct comment replying.
Scratch Notifier

Notifications on new Scratch messages. Click the notification to go straight to the message (comment, project, etc.)
Scratch 2.0 → 3.0

Makes Scratch 2.0-styled pages look like Scratch 3.0.
Username search

Allows you to go to a user's profile when you search their username.
Collapsing sprite properties

Hides the sprite properties panel by default, like in Scratch 2.0. Use the info button on the currently selected sprite or double-click a sprite to show the properties panel again. To re-hide it, use the collapse button in the properties panel or double-click a sprite.
Studio tools

Lets managers easily promote curators to managers or remove anyone from a studio on the "curators" tab, and adds the ability to leave a studio using a button under "Follow Studio".
Project volume slider

Adds a volume slider next to the green flag controls.